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IDT74LVC273A 3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET
INDUSTRIAL TEMPERATURE RANGE
3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET, POSITIVE EDGE TRIGGER, AND 5 VOLT TOLERANT I/O
FEATURES:
* 0.5 MICRON CMOS Technology * ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) * VCC = 3.3V 0.3V, Normal Range * VCC = 2.7V to 3.6V, Extended Range * CMOS power levels (0.4 W typ. static) * Rail-to-rail output swing for increased noise margin * All inputs, outputs, and I/O are 5V tolerant * Supports hot insertion * Available in SSOP and TSSOP packages
IDT74LVC273A
DESCRIPTION:
The octal D-type flip-flop with reset, positive edge trigger is built using advanced dual metal CMOS technology. This high-speed, low power device is ideal for driving high capacitance loads such as memory address and data buses. All pins can be driven from either 3.3V or 5V devices. This feature allows the use of these devices as translators in a mixed 3.3V/5V supply system.
DRIVE FEATURES:
* High Output Drivers: 24mA * Reduced system switching noise
APPLICATIONS:
* 5V and 3.3V mixed voltage systems * Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
Dx CP
D CP CLR
Q
Ox
CLR
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
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(c) 2006 Integrated Device Technology, Inc.
JUNE 2006
DSC-4595/4
IDT74LVC273A 3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET
INDUSTRIAL TEMPERATURE RANGE
PIN CONFIGURATION
CLR O0 D0 D1 O1 O2 D2 D3 O3 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11
SSOP/ TSSOP TOP VIEW
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VTERM Description Terminal Voltage with Respect to GND Storage Temperature DC Output Current Continuous Clamp Current, VI < 0 or VO < 0 Continuous Current through each VCC or GND Max -0.5 to +6.5 -65 to +150 -50 to +50 -50 100 Unit V C mA mA mA
VCC O7 D7 D6 O6 O5 D5 D4 O4 CP
TSTG IOUT IIK IOK ICC ISS
NOTE: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
CAPACITANCE (TA = +25C, F = 1.0MHz)
Symbol CIN COUT CI/O Parameter(1) Input Capacitance Output Capacitance I/O Port Capacitance Conditions VIN = 0V VOUT = 0V VIN = 0V Typ. 4.5 5.5 6.5 Max. 6 8 8 Unit pF pF pF
NOTE: 1. As applicable to the device type.
PIN DESCRIPTION
Pin Names CLR CP Ox Dx Clear Input Clock Input Data Outputs Data Inputs Description
FUNCTION TABLE (1)
Inputs CLR L H H CP X Dx X L H Internal Q Value L L H Outputs Ox L L H Function Clear Register Load Input Data Load Input Data
NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care = LOW-to-HIGH Transition
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IDT74LVC273A 3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Operating Condition: TA = -40C to +85C
Symbol VIH Parameter Input HIGH Voltage Level VCC = 2.3V to 2.7V VCC = 2.7V to 3.6V VIL IIH IIL IOZH IOZL IOFF VIK VH ICCL ICCH ICCZ ICC High Impedance Output Current (3-State Output pins) Input/Output Power Off Leakage Clamp Diode Voltage Input Hysteresis Quiescent Power Supply Current VCC = 0V, VIN or VO 5.5V VCC = 2.3V, IIN = -18mA VCC = 3.3V VCC = 3.6V VIN = GND or VCC -- -- -- -- -- -- -- -0.7 100 -- -- -- 50 -1.2 -- 10 10 500 A V mV A VCC = 3.6V VO = 0 to 5.5V -- -- 10 A Input LOW Voltage Level Input Leakage Current VCC = 2.3V to 2.7V VCC = 2.7V to 3.6V VCC = 3.6V VI = 0 to 5.5V Test Conditions Min. 1.7 2 -- -- -- Typ.(1) -- -- -- -- -- Max. -- -- 0.7 0.8 5 A V Unit V
Quiescent Power Supply Current Variation
3.6 VIN 5.5V(2) One input at VCC - 0.6V, other inputs at VCC or GND
A
NOTES: 1. Typical values are at VCC = 3.3V, +25C ambient. 2. This applies in the disabled state only.
OUTPUT DRIVE CHARACTERISTICS
Symbol VOH Parameter Output HIGH Voltage VCC = 2.3V VCC = 2.3V VCC = 2.7V VCC = 3V VCC = 3V VOL Output LOW Voltage VCC = 2.3V to 3.6V VCC = 2.3V VCC = 2.7V VCC = 3V IOH = - 24mA IOL = 0.1mA IOL = 6mA IOL = 12mA IOL = 12mA IOL = 24mA Test Conditions(1) VCC = 2.3V to 3.6V IOH = - 0.1mA IOH = - 6mA IOH = - 12mA Min. VCC - 0.2 2 1.7 2.2 2.4 2.2 -- -- -- -- -- Max. -- -- -- -- -- -- 0.2 0.4 0.7 0.4 0.55 V Unit V
NOTE: 1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range. TA = - 40C to + 85C.
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IDT74LVC273A 3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET
INDUSTRIAL TEMPERATURE RANGE
OPERATING CHARACTERISTICS, VCC = 3.3V 0.3V, TA = 25C
Symbol CPD CPD Parameter Power Dissipation Capacitance per Transceiver Outputs enabled Power Dissipation Capacitance per Transceiver Outputs disabled Test Conditions CL = 0pF, f = 10Mhz Typical Unit pF
-- --
SWITCHING CHARACTERISTICS(1)
VCC = 2.7V Symbol tPLH tPHL tS tH tREC tWCLR tWCP tSK(o) Parameter Propagation Delay, CP to Ox Propagation Delay, CLR to Ox Data Setup Time, Dx to CP Data Hold Time, Dx to CP CLR Recovery Time, CLR to CP CLR Pulse Width, LOW CLK Pulse Width, HIGH or LOW Output Skew(2) Min. 1.5 1.5 2.5 1.5 2 3.3 3.3 Max. 9.5 9.5 VCC = 3.3V 0.3V Min. 1.5 1.5 2.5 1.5 2 3.3 3.3 Max. 8.5 8.5 Unit ns ns ns ns ns ns ns ps
--
-- -- -- -- -- --
-- -- -- -- --
500
--
NOTES: 1. See TEST CIRCUITS AND WAVEFORMS. TA = - 40C to + 85C. 2. Skew between any two outputs of the same package and switching in the same direction.
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IDT74LVC273A 3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS
Symbol VLOAD VIH VT VLZ VHZ CL VCC(1)= 3.3V0.3V VCC(1)= 2.7V 6 2.7 1.5 300 300 50 6 2.7 1.5 300 300 50 VCC(2)= 2.5V0.2V 2 x Vcc Vcc Vcc / 2 150 150 30 Unit V V V mV mV pF
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL
VIH VT 0V VOH VT VOL VIH VT 0V
LVC Link
Propagation Delay
VCC 500 Pulse (1, 2) Generator VIN D.U.T. RT 500 CL
LVC Link
VLOAD Open GND VOUT ENABLE CONTROL INPUT tPZL OUTPUT SWITCH NORMALLY VLOAD LOW tPZH OUTPUT SWITCH NORMALLY GND HIGH VLOAD/2 VT tPHZ VT 0V tPLZ DISABLE VIH VT 0V VLOAD/2 VOL+VLZ VOL VOH VOH-VHZ 0V
LVC Link
Test Circuit for All Outputs
DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. NOTES: 1. Pulse Generator for All Pulses: Rate 10MHz; tF 2.5ns; tR 2.5ns. 2. Pulse Generator for All Pulses: Rate 10MHz; tF 2ns; tR 2ns.
Enable and Disable Times
NOTE: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH.
SWITCH POSITION
Test Open Drain Disable Low Enable Low Disable High Enable High All Other Tests Switch VLOAD GND Open
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL SYNCHRONOUS CONTROL VIH VT 0V VOH VT VOL VOH VT VOL
tSU
tH
tREM
tSU
tH
VIH VT 0V VIH VT 0V VIH VT 0V VIH VT 0V
LVC Link
INPUT
Set-up, Hold, and Release Times
tPLH1
tPHL1
OUTPUT 1
tSK (x)
tSK (x)
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
VT
OUTPUT 2 tPLH2 tPHL2
VT
Pulse Width
LVC Link
LVC Link
tSK(x) = tPLH2 - tPLH1 or tPHL2 - tPHL1
Output Skew - tSK(X)
NOTES: 1. For tSK(o) OUTPUT1 and OUTPUT2 are any two outputs. 2. For tSK(b) OUTPUT1 and OUTPUT2 are in the same bank.
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IDT74LVC273A 3.3V CMOS OCTAL D-TYPE FLIP-FLOP WITH RESET
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
LVC X IDT XX Bus-Hold Temp. Range XX XXXX Device Type Package
PY PYG PG PGG 273A
Shrink Small Outline Package SSOP - Green Thin Shrink Small Outline Package TSSOP - Green Octal D-Type Flip-Flop with Reset, Positive Edge Trigger, 5V Tolerant I/O
Blank No Bus-hold 74 -40C to +85C
CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138
for SALES: 800-345-7015 or 408-284-8200 fax: 408-284-2775 www.idt.com
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for Tech Support: logichelp@idt.com

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