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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
* The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications * The IC06 74HC/HCT/HCU/HCMOS Logic Package Information * The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT597 8-bit shift register with input flip-flops
Product specification File under Integrated Circuits, IC06 December 1990
Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
FEATURES * 8-bit parallel storage register inputs * Shift register has direct overriding load and clear * Output capability: standard * ICC category: MSI GENERAL DESCRIPTION
74HC/HCT597
The 74HC/HCT597 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT597 consist each of an 8-bit storage register feeding a parallel-in, serial-out 8-bit shift register. Both the storage register and the shift register have positive edge-triggered clocks. The shift register also has direct load (from storage) and clear inputs.
QUICK REFERENCE DATA GND = 0 V; Tamb = 25 C; tr = tf = 6 ns TYPICAL SYMBOL tPHL/ tPLH PARAMETER propagation delay SHCP to Q STCP to Q PL to Q fmax CI CPD Notes 1. CPD is used to determine the dynamic power dissipation (PD in W): PD = CPD x VCC2 x fi + (CL x VCC2 x fo) where: fi = input frequency in MHz fo = output frequency in MHz (CL x VCC2 x fo) = sum of outputs CL = output load capacitance in pF VCC = supply voltage in V 2. For HC the condition is VI = GND to VCC For HCT the condition is VI = GND to VCC - 1.5 V ORDERING INFORMATION See "74HC/HCT/HCU/HCMOS Logic Package Information". maximum clock frequency SHCP input capacitance power dissipation capacitance per package notes 1 and 2 CONDITIONS HC CL = 15 pF; VCC = 5 V 17 25 21 96 3.5 29 20 29 26 83 3.5 32 ns ns ns MHz pF pF HCT UNIT
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
PIN DESCRIPTION PIN NO. 8 9 10 11 12 13 14 15, 1, 2, 3, 4, 5, 6, 7 16 SYMBOL GND Q MR SHCP STCP PL DS D0 to D7 VCC NAME AND FUNCTION ground (0 V) serial data output asynchronous reset input (active LOW)
74HC/HCT597
shift clock input (LOW-to-HIGH, edge-triggered) storage clock input (LOW-to-HIGH, edge-triggered) parallel load input (active LOW) serial data input parallel data inputs positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
Fig.4 Functional diagram.
FUNCTION TABLE STCP no clock edge X X X Notes 1. H L X = HIGH voltage level = LOW voltage level = don't care = LOW-to-HIGH CP transition SHCP X X X X X PL X L L L H H MR X H H L L H FUNCTION data loaded to input latches data loaded from inputs to shift register data transferred from input flip-flops to shift register invalid logic, state of shift register indeterminate when signals removed shift register cleared shift register clocked Qn = Qn-1, Q0 = DS
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
Fig.5 Logic diagram.
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
Fig.6 Timing diagram.
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
DC CHARACTERISTICS FOR 74HC For the DC characteristics see "74HC/HCT/HCU/HCMOS Logic Family Specifications". Output capability: standard ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (C) 74HC SYMBOL PARAMETER +25 -40 to +85 -40 to +125 max. 265 53 45 265 53 45 375 75 64 325 65 55 110 22 19 120 24 20 120 24 20 120 24 20 120 24 20 90 18 15 90 18 15 ns
74HC/HCT597
TEST CONDITIONS UNIT V WAVEFORMS CC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 Fig.7
min. typ. max. min. max. min. tPHL/ tPLH propagation delay SHCP to Q propagation delay MR to Q propagation delay STCP to Q propagation delay PL to Q output transition time 55 20 16 58 21 17 80 29 23 69 25 20 19 7 6 80 16 14 80 16 14 80 16 14 80 16 14 60 12 10 60 12 10 11 4 3 14 5 4 22 8 6 22 8 6 -3 -1 -1 8 3 2 175 35 30 175 35 30 250 50 43 215 43 37 75 15 13 100 20 17 100 20 17 100 20 17 100 20 17 75 15 13 75 15 13 220 44 37 220 44 37 315 63 54 270 54 46 95 19 16
tPHL
ns
Fig.8
tPHL/ tPLH
ns
Fig.7
tPHL/ tPLH
ns
Fig.9
tTHL/ tTLH
ns
Fig.9
tW
STCP pulse width HIGH or LOW SHCP pulse width HIGH or LOW MR pulse width LOW PL pulse width LOW removal time MR to SHCP set-up time Dn to STCP
ns
Fig.7
tW
ns
Fig.7
tW
ns
Fig.8
tW
ns
Fig.9
trem
ns
Fig.10
tsu
ns
Fig.11
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
Tamb (C) 74HC SYMBOL PARAMETER +25 -40 to +85 -40 to +125 max. ns
TEST CONDITIONS WAVEFORMS UNIT V CC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 Fig.11
min. typ. max. min. max. min. tsu set-up time DS to SHCP set-up time PL to SHCP hold time Dn to STCP hold time PL, DS to SHCP maximum pulse frequency SHCP 60 12 10 60 12 10 5 5 5 5 5 5 6.0 30 35 11 4 3 11 4 3 -3 -1 -1 -6 -2 -2 29 87 104 75 15 13 75 15 13 5 5 5 5 5 5 4.8 24 28 90 18 15 90 18 15 5 5 5 5 5 5 4.0 20 24
tsu
ns
Fig.12
th
ns
Fig.11
th
ns
Fig.11
fmax
MHz
Fig.7
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
DC CHARACTERISTICS FOR 74HCT For the DC characteristics see "74HC/HCT/HCU/HCMOS Logic Family Specifications". Output capability: standard ICC category: MSI Note to HCT types
74HC/HCT597
The value of additional quiescent supply current (ICC) for a unit load of 1 is given in the family specifications. To determine ICC per input, multiply this value by the unit load coefficient shown in the table below.
INPUT DS Dn PL, MR STCP, SHCP
UNIT LOAD COEFFICIENT 0.25 0.30 1.50 1.50
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
AC WAVEFORMS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (C) 74HCT SYMBOL PARAMETER +25 -40 to +85 -40 to +125 max. 60 74 86 78 22 24 24 38 30 18 18 18 18 5 5 20 ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns
74HC/HCT597
TEST CONDITIONS UNIT V CC WAVEFORMS (V) 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 Fig.7 Fig.8 Fig.7 Fig.9 Fig.9 Fig.7 Fig.7 Fig.8 Fig.9 Fig.10 Fig.11 Fig.11 Fig.12 Fig.11 Fig.11 Fig.7
min. typ. max. min. max. min. tPHL/ tPLH tPHL tPHL/ tPLH tPHL/ tPLH tTHL/ tTLH tW tW tW tW trem tsu tsu tsu th th fmax propagation delay SHCP to Q propagation delay MR to Q propagation delay STCP to Q propagation delay PL to Q output transition time SHCP pulse width HIGH or LOW STCP pulse width HIGH or LOW MR pulse width LOW PL pulse width LOW removal time MR to SHCP set-up time Dn to STCP set-up time DS to SHCP set-up time PL to SHCP hold time Dn to STCP hold time PL, DS to SHCP maximum pulse frequency SHCP 16 16 25 20 12 12 12 12 5 5 30 23 28 33 30 7 7 6 14 10 -2 5 2 4 -1 -2 75 40 49 57 52 15 20 20 31 25 15 15 15 15 5 5 24 50 61 71 65 19
MHz
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
AC WAVEFORMS
74HC/HCT597
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.7
Waveforms showing the SHCP and STCP inputs to Q output propagation delays, the SHCP and STCP pulse widths and maximum clock pulse frequency.
Fig.8
Waveforms showing the MR input to Q output propagation delays and the MR pulse width.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.9
Waveforms showing the PL input to Q output propagation delays, PL pulse width and output transition times.
Fig.10 Waveforms showing the MR input to SHCP, STCP removal times.
December 1990
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Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.11 Waveforms showing hold and set-up times for DS, Dn inputs to SHCP, STCP inputs.
Fig.12 Waveforms showing set-up times for PL input to SHCP input.
PACKAGE OUTLINES See "74HC/HCT/HCU/HCMOS Logic Package Outlines".
December 1990
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