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Introduction
The Rockwell RS56L-PCI (SoftK56) Host-Processed V.90/K56flexTM Modem Device supports high speed analog data up to 56 kbps, 14.4 kbps fax, voice/TAM, cellular phone, and speakerphone (optional) operation. The modem operates with PSTN telephone lines as well as analog and digital cellular phones in the U.S. and world-wide depending upon model and installed software drivers. The modem models are listed in Table 1. The modem is packaged in a single 144-pin thin quad flat pack (TQFP) that combines the PCI Bus Interface (BIF) and Line/Voice Codec (LVC) functions. Figure 1 identifies the major hardware signal interfaces supported by each model. Host modem and cellular phone driver software is provided. Operating with +3.3V power, this device set supports 32bit host applications in such cellular-based mobile designs as laptop, notebook, and palmtop computers. The device is easily integrated into PCI Bus-based embedded motherboards, system boards, or plug-in cards. Modem data pump and controller functions, traditionally enabled using dedicated hardware, are processed in a Pentium MMX-compatible CPU using host-signal processing modem software. In ITU-T V.90/K56flex data mode, the modem can receive data at speeds up to 56 kbps from a digitally connected V.90 or K56flex-compatible central site modem. A V.90/K56flex modem takes advantage of the PSTN which is primarily digital except for the client modem to central office local loop and is ideal for applications such as remote access to an Internet Service Provider (ISP), online service, or corporate site. In this mode, the modem can transmit data at speeds up to V.34 rates. In V.34 data mode, the modem operates at line speeds up to 33.6 kbps. When applicable, error correction (V.42/MNP 2-4) and data compression (V.42 bis/MNP 5) maximize data transfer integrity and boost average data throughput. Non-error-correcting mode is also supported. All models support remote audio recording and remote audio playback over the telephone line interface using ALaw, -Law, or linear coding at 8000 or 7200 Hz sample rate to support applications such as digital telephone answering machine (TAM) and voice annotation. The SP model also supports position independent, fullduplex speakerphone (FDSP) operation. Fax Group 3 send and receive rates are supported up to 14.4 kbps with T.30 protocol. V.80 synchronous access mode supports host-controlled communication protocols, e. g., H.324 video conferencing. Cellular phone operation is supported by a generic hardware interface meeting multiple standards and host software specific to a particular cell phone type. Reference designs are available to minimize application design time and costs.
Features
* Data modem - ITU-T V.90, K56flex, V.34 (33.6 kbps), V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and 103 - V.42 LAPM and MNP 2-4 error correction - V.42 bis and MNP 5 data compression - V.250 (ex V.25 ter) and V.251 (ex V.25 ter Annex A) commands * Fax modem send and receive rates up to 14.4 kbps - ITU-T V.17, V.29, V.27 ter, and V.21 channel 2 - EIA/TIA 578 Class 1 and T.31 Class 1.0 commands * Voice, telephony, TAM - V.253 commands - 8-bit -Law/A-Law coding (G.711) - 8-bit/16-bit linear coding - 8000/7200 Hz sample rate - Music on hold from host or analog hardware input - TAM support with concurrent DTMF detect, ring detect, and caller ID * V.80 synchronous access mode supports host-controlled communication protocols - H.324 interface support * V.8/V.8bis and V.251 (ex V.25 ter Annex A) commands * Data/Fax/Voice call discrimination * Switching to/from data and fax * Full-duplex Speakerphone (FDSP) Mode (SP model) - External microphone and speaker interface - Microphone gain and muting - Speaker volume control and muting - Adaptive acoustic and line echo cancellation - Loop gain control, transmit and receive path AGC * Cellular phone interface - Hardware interface supports multiple standards - Cell phone specific software supports different types and models * Multiple country support - Call progress, blacklisting * Single profile stored in host * Modem and audio paths concurrent across PCI bus
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* Supports PCI Bus Power Management - Conforms to PCI Bus Power Management Specification, Rev. 1.1 - ACPI Power Management Registers - APM support - PME# support * Thin package supports low profile designs - R6794: 144-pin TQFP (1.6 mm max. height) * +3.3V operation with +5V tolerant digital inputs * +5V or +3.3V analog operation
Features (Continued)
* System compatibilities - Windows 95, Windows 95 OSR2, Windows 98, Windows NT 4.0, Windows NT 5.0 operating systems - Microsoft's PC 98 Design Initiative compliant - Unimodem/V compliant * 32-bit PCI Local Bus interface - Conforms to the PCI Local Bus Specification, Production Version, Revision 2.1 - PCI Bus Mastering interface to the LVC - 33 MHz PCI clock support
Table 1. Modem Models and Functions
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K56flex is a trademark of Rockwell International and Lucent Technologies. MNP is a trademark of Compaq Computer Corporation. Microsoft and Windows are registered trademarks of Microsoft Corporation.
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CELLULAR INTERFACE
CELLULAR PHONE
RS56L-PCI SINGLE DEVICE
PCI BUS COMBINED BUS INTERFACE AND LINE CODEC (LC) [R6794-14: 144-PIN TQFP] PSTN TELEPHONE LINE DIGITAL SPEAKER (CALL PROGRESS)
TELEPHONE LINE INTERFACE CIRCUIT
a. Data/Fax Model Interface
CELLULAR INTERFACE
CELLULAR PHONE
RS56L/SP-PCI SINGLE DEVICE
PCI BUS COMBINED BUS INTERFACE AND LINE/VOICE CODEC (LVC) [R6794-11: 144-PIN TQFP] PSTN TELEPHONE LINE TELEPHONE LINE/ MIC AND SPEAKER INTERFACE CIRCUIT DIGITAL SPEAKER (CALL PROGRESS) SPEAKER MIC
b. Data/Fax/Voice/Speakerphone Model Interface
MD232F1-GHI
Figure 1. Modem Major Hardware Signal Interfaces
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56/3&, Description
General
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Class 1.0 command interface. Full HDLC formatting, zero insertion/deletion, and CRC generation/checking are provided. Synchronous Access Mode (SAM) - Video Conferencing V.80 synchronous access mode between the modem and the host/DTE is provided for host-controlled communication protocols, e.g., H.324 video conferencing applications. Voice-call-first (VCF) before switching to a videophone call is also supported. Voice/TAM Mode Voice/TAM Mode features include 8-bit -Law, A-Law, and linear coding at 8000 Hz and 7200 Hz sample rates. Tone detection/generation, call discrimination, and concurrent DTMF detection are also supported. ADPCM (4-bit IMA) coding is also supported to meet Microsoft WHQL logo requirements. Voice/TAM Mode is supported by three submodes: 1. Online Voice Command Mode supports connection to the telephone line or, for the SP model, a microphone/speaker. Voice Receive Mode supports recording voice or audio data input at the RIN pin, typically from the telephone line or, for the SP model, a microphone. Voice Transmit Mode supports playback of voice or audio data to the TXA1/TXA2 output, typically to the telephone line or, for the SP model, a speaker.
The RS56L-PCI modem provides the processing core for a complete system design featuring data/fax modem, voice/TAM, cellular phone, and speakerphone support, depending on specific model (Table 1). Note: The term, "SoftK56", refers to the family of RS56 modem models listed in Table 1. Modem operation, including dialing, call progress, telephone line interface, cell phone interface, and host interface functions are supported and controlled through the command set. The modem hardware connects to the host processor via a PCI bus interface. The OEM adds a crystal circuit, EEPROM, telephone line interface, cellular phone interface, and audio interface, as required and supported by the modem model to complete the system. Host Modem Software The host modem software performs two distinct tasks: 1. General modem control, which includes command sets, fax Class 1, voice/TAM, speakerphone, error correction, data compression, VoiceView, cell phone drivers, and operating system interface functions. Modem data pump signal processing, which includes data and facsimile modulation and demodulation, as well as voice sample formatting.
2.
2.
3.
Configurations of the modem software are provided to support modem models listed in Table 1. Binary executable modem software is provided for the OEM. Data/Fax Modes As a V.90/K56flex data modem, the modem can receive data from a digital source using a V.90- or K56flexcompatible central site modem over the digital telephone network portion of the PSTN at line speeds up to 56 kbps. Asymmetrical data transmission supports sending data up to V.34 rates. This mode can fallback to full-duplex V.34 mode, and to lower rates as dictated by line conditions. As a V.34 data modem, the modem can operate in 2-wire, full-duplex, asynchronous modes at line rates up to 33.6 kbps. Data modem modes perform complete handshake and data rate negotiations. Using V.34 modulation to optimize modem configuration for line conditions, the modem can connect at the highest data rate that the channel can support from 33600 bps down to 2400 bps with automatic fallback. Automode operation in V.34 is provided in accordance with PN3320 and in V.32 bis in accordance with PN2330. All tone and pattern detection functions required by the applicable ITU or Bell standard are supported. In fax modem mode, the modem can operate in 2-wire, half-duplex, synchronous modes and can support Group 3 facsimile send and receive speeds of 14400, 12000, 9600, 7200, 4800, or 2400 bps. Fax data transmission and reception performed by the modem are controlled and monitored through the fax EIA/IA-578 Class 1 and T.31
Speakerphone Mode (SP Model) The SP model includes additional external microphone and speaker interfaces which support voice and fullduplex speakerphone (FDSP) operation. Hands-free full-duplex telephone operation is supported in Speakerphone Mode under host control. Speakerphone Mode features an advanced proprietary speakerphone algorithm which supports full-duplex voice conversation with acoustic and line echo cancellation. Parameters are constantly adjusted to maintain stability with automatic fallback from full-duplex to pseudo-duplex operation. The speakerphone algorithm allows position independent placement of microphone and speaker. The host can separately control volume, muting, and AGC in microphone and speaker channels. Cellular Phone Support Cellular phone operation is supported by a generic hardware interface meeting multiple standards and host software specific to a particular phone type. Development of software for specific phones is supported by a software developer's kit. This kit allows for straightforward porting of analog and digital cellular phone drivers to the modem. Consult software release notes for the latest supported types and models.
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Bus Interface and Codec (BIC) Interface The BIC (R6794) major functional interface signals are shown in Figure 2. The BIC (R6794) 144-pin TQFP hardware interface signals are shown in Figure 3. The BIC (R6794) 144-pin TQFP pin signal assignments are shown in Figure 4. Cellular Interface Signals The I/O signals assigned to the cellular phone interface depending upon phone type are listed in Table 2. GPIO Pins The default GPIO signal assignments are listed in Table 3. These assignments are configured by the .INF file.
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Package Dimensions
The package dimensions for the 144-pin TQFP are shown in Figure 5.
Electrical and Environmental Specifications
The current and power requirements are listed in Table 4. The absolute maximum ratings are listed in Table 5.
Additional Information
Additional information is described in the RS56L-PCI Modem Designer's Guide (Order No. 1202) and in the Command Reference Manual (Order No. 1118).
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28.224 MHZ CRYSTAL CIRCUIT
XIN XOUT
TCH_CLK (CEL_CLK) (GPIO6) TCH_TX (CEL_DATA) (GPIO5) TCH_RX (CEL_BSY_IN) (GPIO4) TCH_FRAME (CEL_BSY_OUT) (GPIO3) USART_RXD2 (CELL_RXD) USART_TXD (CELL_TXD)
CELLULAR PHONE INTERFACE
GND THRU 1K
CLKRUN# PCICLK PCIRST# FRAME# IDSEL DEVSEL# IRDY# TRDY# PAR REQ# GNT# INTA# STOP# PERR# SERR# CBE0# CBE1# CBE2# CBE3# AD[31:0] PME#
PCI BUS
OH# (GPIO0) CID# (GPIO1) RINGWAKE# (INPUT0) CID_DATA (INPUT1) IRING# (INPUT3) EXT_L# (INPUT4) LCS_L#/RH_L# (INPUT5) RXA TXA1 TXA2
DAA INTERFACE
RS56L-PCI
MODEM DEVICE [R6794: 144-PIN TQFP]
DSPKOUT SKPMUTE SPKOUT* MIC_V*
AUDIO INTERFACE
POWER DETECTION AND SWITCHING CIRCUIT PCI BUS: VI/O (+3.3V OR +5V)
VpciEN# VauxEN# VpciDET VauxDET
VIO
SROMCLK SROMCS SROMOUT SROMIN
256 x 16 OR 128 x 16 SERIAL EEPROM
+3.3V (VDD) +3.3V (VDD) +3.3VA (VAA) GND AGND
VDD AVDD AVAA GND AGND GPIO9 GPIO14
* Speakerphone models only
MD232F2 SI
Figure 2. RS56L-PCI (R6794) Major Hardware Interface Signals
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+3.3V VCC +3.3V
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VI/O ANALOG_IA_POWER R48 0 C/BE0# C/BE1# C/BE2# C/BE3# PCICLK PCIRESET# FRAME# IDSEL DEVSEL# IRDY# TRDY# VI/O1 C/BE0# C/BE1# C/BE2# C/BE3# PME# PCICLK CLKRUN# PCIRESET# FRAME# IDSEL DEVSEL# IRDY# TRDY# 59 140 1 33 22 12 139 85 126 129 124 13 144 16 14 15 AVDD VIO1 VIO2
R8 47K U3 119 122 121 120 46 95 88 93 90 91 87 94 89 92 86 96 72 52 76 48 74 50 77 47 75 49 73 51 53 68 69 60 65 61 62 66 63 64 56 58 98 99 100 101 102 103 104 105 106 45 118 117 116 80 GPOL14 ADP SPKMUTE CEL_CLK CEL_DATA CEL_BSY_IN CEL_BSY_OUT CID# OH# DRESET# GPOL1 CELL_RXD CELL_TXD SET3V# DRESET# DSPKOUT SPKOUT MIC_V TXA1 TXA2 RXASEL VREF VC L6 VC1 C42 0.1uF + C43 10uF DSPKOUT SPKOUT MIC_V TXA1 TXA2 0 R12 0 R13 RXA_CELL RXA SROMCS SROMCLK SROMIN SROMOUT IASLEEP M_CLK V_SCLK M_SCLK V_STROBE M_STROBE V_TXSIN M_TXSIN V_RXOUT M_RXOUT V_CTRL M_CTRL 1 2 3 4 5 6 7 8
2 7 20 25 30 34 40 71 79 81 97 107 115 135 VDDpci VDDpci VDD VDDpci VDDpci VDDpci VDD VDD VDD VDD VDD VDD VDD VDDpci
VpciDet/VDD
125
** DO NOT POPULATE R9 1K PCIPME# D R10 0
SROMCS SROMCLK SROMIN SROMOUT
CS SK DI DO
GND PE PRE VDD
+3.3V
PCIPME#
Q1 G 2N7002 ** DO NOT POPULATE S
CBE0# CBE1# CBE2# CBE3# PME# PCICLK CLKRUN# PCIRST# FRAME# IDSEL DEVSEL# IRDY# TRDY#
IASleep# / GPIO[15] M_CLK V_SCLK M_SCLK V_STROBE M_STROBE
R11 1k
U2 R6794
V_TXSIN M_TXSIN V_RXOUT M_RXOUT V_CTRL M_CTRL
AD[0..31]
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 PAR REQ# GNT# INTA# STOP# PERR# SERR#
44 43 42 41 39 38 37 36 32 31 29 28 27 26 24 23 11 10 9 8 6 5 4 3 138 137 136 134 133 132 131 130 21 128 127 123 17 18 19 108 109 110 111 112 114 XTALIN R14 1M XTALOUT 83 82
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31 PAR REQ# GNT# INTA# STOP# PERR# SERR# INPUT[0] / RINGWAKE# INPUT[1] / Caller ID Data INPUT[3] / RING# INPUT[4] / Ext_OH# INPUT[5] / Remote_On# INPUT[7] / VauxDET XIN XOUT GND GND GND GND GND GND
MCTRLSIN VCTRLSIN MRXOUT VRXOUT MTXSIN VTXSIN MSTROBE VSTROBE MSCK VSCK MCLKIN VCLKIN IASLEEP POR / RESET# DSPKOUT SPKOUT MIC_V TXA1 TXA2 RXA VREF VC TELIN TELOUT GPIO[14] GPIO[9] Speaker Mute / GPIO[8] TCH_CLK / GPIO[6] TCH_TX / GPIO[5] TCH_RX / GPIO[4] TCH_FRAME / GPIO[3] CID# / GPIO[1] OH# / GPIO[0] GPOL0 / DRESET# GPOL1 GPOH0 / CELL_RXD GPOH1 / CELL_TXD AGNDM AGNDV AGND AGND AGND AGND SET3V#
PAR REQ# GNT# INTA# STOP# PERR# SERR# RINGWAKE# RING# EXT_L# LCS_L#/RH_L# VAUX C46 27pF 5 % Y1 28.224MHz C47 27pF 5 % IN1 INSULATOR for Y1
Ferrite
GPIO14 GPIO9 SPKMUTE CEL_CLK CEL_DATA CEL_BSY_IN CEL_BSY_OUT CID# OH# GPOL1 CELL_RXD CELL_TXD
C44 0.1uF FILTER
+ C45 10uF
L2
For Layout: Place Vref and VC Components near U7 (R6787)
R15 Not Installed = +5V IA Operation (also install R3) R15 0 R15 Installed = +3.3V IA Operation (also install R4)
35 84 113 141 142 143
Figure 3. RS56L-PCI (R6794) 144-Pin TQFP Hardware Interface Signals
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VDD VauxDET GND LCS_L#/RH_L# (INPUT 5)
136 135
144 143
142 141
140 139
138 137
117 116 115 114
134 133
132 131 130
129 128
127 126
125 124
123 122
121 120
119 118
113 112
111 110 109
EXT_L# (INPUT4) IRING# (INPUT3)
CID_DATA (INPUT1)
AD31 CLKRUN#
INTA# SROMCLK
SROMIN SROMOUT
AD27 AD28 AD29 AD30
REQ# GNT#
PCICLK VpciDET PCIRST#
SROMCS GPOL1
CELL_RXD CELL_TXD
IDSEL GND GND GND
VIO CBE3#
AD24 AD25
AD26 VDD
VIO VDD AD23 AD22 AD21 AD20 VDD AD19 AD18 AD17 AD16 CBE2# FRAME# IRDY# TRDY# DEVSEL# STOP# PERR# SERR# VDD PAR CBE1# AD15 AD14 VDD AD13 AD12 AD11 AD10 VDD AD9 AD8 CBE0# VDD GND AD7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 39 40 37 38 49 50 51 41 42 43 44 45 46 47 48 58 59 52 53 54 55 56 57 68 69 60 61 62 63 64 65 66 67 70 71 72
108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73
RINGWAKE# (INPUT0) VDD OH# (GPIO0) CID# (GPIO1) TCH_FRAME (GPIO3) TCH_RX (GPIO4) TCH_TX (GPIO5) TCH_CLK (GPIO6) SPKMUTE (GPIO8) GPIO9 GPIO14 VDD M_CTRL M_CLK M_TXSIN M_SCLK M_RXOUT M_STROBE V_STROBE V_RXOUT V_SCLK V_TXSIN V_CTRL PME# GND XIN XOUT VDD SET3V# VDD AGND MSTROBE MRXOUT MSCLK MTXSIN MCLKIN
DRESET# (GPOL0) SLEEPO (GPIO15) VSTROBE/NC* VRXOUT/NC*
VSCLK/NC* VTXSIN/NC* VCLKIN/NC*
VCTRLSIN/NC* IASLEEP AGND AGND
TELIN/NC* AGNDV/NC*
AD4 VDD
AD6 AD5
TELOUT/NC* AVDD
TXA2 VREF VC MIC_V/NC* RXA AGNDM
RESET# DSPKOUT AGND VDD MCTRLSIN
AD3 AD2
AD1 AD0
SPKOUT TXA1
* NC on R6794-14
MD232F4 PO R6794 144T
Figure 4. RS56L-PCI (R6794) 144-Pin TQFP Pin Signals
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D1 D2
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Dim. A
Millimeters Max. Min. 1.6 MAX 0.15 0.05 1.4 REF 22.25 21.75 20.0 REF 17.5 REF 0.75 0.5 1.0 REF 0.50 BSC 0.17 0.27 0.17 0.11 0.08 MAX
Inches* Max. Min. 0.0630 MAX 0.0020 0.0059 0.0551 REF 0.8563 0.8760 0.7874 REF 0.6890 REF 0.0197 0.0295 0.0394 REF 0.0197 BSC 0.0067 0.0043 0.0106 0.0067
D1
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A
A2
0.0031 MAX
Ref: 144-PIN TQFP (GP00-D252)
c A1 L1 DETAIL A
L
* Metric values (millimeters) should be used for PCB layout. English values (inches) are converted from metric values and may include round-off errors.
PD-TQFP-144 (040395)
Figure 5. Package Dimensions - 144-Pin TQFP
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Table 2. Cellular Phone I/O Signals
I/O Pin Signal Name TCH_CLK/CELL_CLK (GPIO6) TCH_TX/CELL_DATA (GPIO5) TCH_RX/CEL_BSY_IN (GPIO4) TCH_FRAME/CEL_BSY_OUT (GPIO3) CELL_RXD CELL_TXD GPIO9 TCH_CLK TCH_TX TCH_RX TCH_FRAME CELL_RXD CELL_TXD ADP PDC Phones
Table 3. Default GPIO Assignments
GPIO Function GPIO0 GPIO1 GPIO3 GPIO4 GPIO5 GPIO6 GPIO8 GPIO9 GPIO14 GPIO15 INPUT0 INPUT1 INPUT3 INPUT4 INPUT5 R6794 Pin No. 106 105 104 103 102 101 100 99 98 46 108 109 110 111 112 OH# CID# TCH_FRAME TCH_RX TCH_TX TCH_CLK SPKMUTE --SLEEPO RINGWAKE# CID_DATA IRING# EXT_L# LCS_L#/RH_L# R6794 Signal
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Table 4. Current and Power Requirements
Conditions Device State (Dx) and Bus State (Bx) D0, B0 D0, B0 D3, B0 D3, B1 D3, B2, B3 (D3 hot) D3, B3 (D3 cold) PCI Bus Power On On On On On Off PCI Clock (PCICLK) Running Running Running Running Stopped Stopped Line Connection Yes No No No No No Current Typical Current (mA) 33 22 22 22 2.1 <1 Maximum Current (mA) 36 24 24 24 3.2 1
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Power Typical Power (mW) 109 73 73 73 6.9 <3.3 Maximum Power (mW) 130 86 86 86 11.5 3.6
Notes: Operating voltage: VDD = +3.3V 0.3V. Test conditions: VDD = +3.3 VDC for typical values; VDD = +3.6 VDC for maximum values. For all modes, +3.3V is supplied to modem. Definitions: PCI Bus Power On: PCI Bus +5V and +3.3V on (modem normally powered by +3.3V from PCI Bus +3.3V or regulated down from PCI Bus +5V); PCIRST# not asserted. Off: PCI Bus +5V and +3.3V off (modem normally powered by +3.3V from Vaux or Vpci); PCIRST# asserted. PCI Clock (PCICLK) Running: PCI Bus signal PCICLK running; Stopped: PCI Bus signal PCICLK stopped (off). Line connection: Yes: Off-hook, IA powered. No: On-hook, IA powered down. Device States: D3: Low power state. Suspend state can change the system power state; the resulting power state depends on the system architecture (OS, BIOS, hardware) and system configuration (i.e., other PCI installed cards). D0: Full power state. Device and Bus States: D0, B0: Any PCI transaction, PCICLK running, VCC present. D3, B1: No PCI Bus transactions, PCICLK running, VCC present. D3, B2, B3: No PCI transactions, PCICLK stopped, VCC may be present. D3, B3: No PCI transactions, PCICLK stopped, no VCC. Refer to the PCI Bus Power Management Interface Specification for additional information.
Table 5. Absolute Maximum Ratings
Parameter Supply Voltage Input Voltage Operating Temperature Range Storage Temperature Range Analog Inputs Voltage Applied to Outputs in High Impedance (Off) State DC Input Clamp Current DC Output Clamp Current Static Discharge Voltage (25C) Latch-up Current (25C) * VIO = +3.3V 0.3V or +5.0V 5% Symbol VDD VIN TA TSTG VIN VHZ IIK IOK VESD ITRIG Limits -0.5 to +4.0 -0.5 to (VIO +0.5)* -0 to +70 -55 to +125 -0.3 to (VAA + 0.5) -0.5 to (VIO +0.5)* 20 20 2500 400 Units V V C C V V mA mA V mA
Information provided by Rockwell International Corporation is believed to be accurate and reliable. However, no responsibility is assumed by Rockwell International for its use, nor any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent rights of Rockwell International other than for circuitry embodied in Rockwell products. Rockwell International reserves the right to change circuitry at any time without notice. This document is subject to change without notice.
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Price & Availability of RS56L-PCI

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