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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/HCT164 8-bit serial-in/parallel-out shift register
Product specification File under Integrated Circuits, IC06 December 1990
Philips Semiconductors
Product specification
8-bit serial-in/parallel-out shift register
FEATURES * Gated serial data inputs * Asynchronous master reset * Output capability: standard * ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT164 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/HCT164 are 8-bit edge-triggered shift registers with serial data entry and an output from each of the eight stages. QUICK REFERENCE DATA GND = 0 V; Tamb = 25 C; tr = tf = 6 ns
74HC/HCT164
Data is entered serially through one of two inputs (Dsa or Dsb); either input can be used as an active HIGH enable for data entry through the other input. Both inputs must be connected together or an unused input must be tied HIGH. Data shifts one place to the right on each LOW-to-HIGH transition of the clock (CP) input and enters into Q0, which is the logical AND of the two data inputs (Dsa,Dsb) that existed one set-up time prior to the rising clock edge. A LOW level on the master reset (MR) input overrides all other inputs and clears the register asynchronously, forcing all outputs LOW.
TYPICAL SYMBOL tPHL/ tPLH PARAMETER propagation delay CP to Qn MR to Qn maximum clock frequency input capacitance power dissipation capacitance per package notes 1 and 2 CONDITIONS HC CL = 15 pF; VCC = 5 V 12 11 78 3.5 40 14 16 61 3.5 40 ns ns MHz pF pF HCT UNIT
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".
December 1990
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Philips Semiconductors
Product specification
8-bit serial-in/parallel-out shift register
PIN DESCRIPTION PIN NO. 1, 2 3, 4, 5, 6, 10, 11, 12, 13 7 8 9 14 SYMBOL Dsa, Dsb Q0 to Q7 GND CP MR VCC NAME AND FUNCTION data inputs outputs ground (0 V)
74HC/HCT164
clock input (LOW-to-HIGH, edge-triggered) master reset input (active LOW) 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 serial-in/parallel-out shift register
74HC/HCT164
Fig.4 Functional diagram.
APPLICATIONS * Serial data transfer FUNCTION TABLE INPUTS OPERATING MODES MR reset (clear) L H H H H X CP X l l h h Dsa X l h l h Dsb L L L L H Q0 OUTPUTS Q1 - Q7 L -L q0 q0 q0 q0 - q6 - q6 - q6 - q6
shift
Note 1. H = HIGH voltage level h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition L = LOW voltage level I = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition q = lower case letters indicate the state of the referenced input one set-up time prior to the LOW-to-HIGH clock transition = LOW-to-HIGH clock transition
Fig.5 Logic diagram.
December 1990
4
Philips Semiconductors
Product specification
8-bit serial-in/parallel-out shift register
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 min. tPHL/ tPLH propagation delay CP to Qn propagation delay MR to Qn output transition time clock pulse width HIGH or LOW master reset pulse width; LOW removal time MR to CP set-up time Dsa, Dsb to CP hold time Dsa, Dsb to CP maximum clock pulse frequency 80 16 14 60 12 10 60 12 10 60 12 10 4 4 4 6 30 35 +25 typ. 41 15 12 39 14 11 19 7 6 14 5 4 17 6 5 17 6 5 8 3 2 -6 -2 -2 23 71 85 max. 170 34 29 140 28 24 75 15 13 100 20 17 75 15 13 75 15 13 75 15 13 4 4 4 5 24 28 -40 to +85 min. max. 215 43 37 175 35 30 95 19 16 120 24 20 90 18 15 90 18 15 90 18 15 4 4 4 4 20 24 -40 to +125 min. max. 255 51 43 210 42 36 110 22 19 ns UNIT
74HC/HCT164
TEST CONDITIONS VCC WAVEFORMS (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 Fig.6
tPHL
ns
Fig.6
tTHL/ tTLH
ns
Fig.6
tW
ns
Fig.6
tW
ns
Fig.6
trem
ns
Fig.6
tsu
ns
Fig.6
th
ns
Fig.6
fmax
MHz
Fig.6
December 1990
5
Philips Semiconductors
Product specification
8-bit serial-in/parallel-out shift register
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/HCT164
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 Dsa, Dsb CP MR
UNIT LOAD COEFFICIENT 0.25 0.60 0.90
AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (C) 74HCT SYMBOL PARAMETER min. tPHL/ tPLH tPHL tTHL/ tTLH tW tW trem tsu th fmax propagation delay CP to Qn propagation delay MR to Qn output transition time clock pulse width HIGH or LOW master reset pulse width; LOW removal time MR to CP set-up time Dsa, Dsb to CP hold time Dsa, Dsb to CP 18 18 16 12 4 +25 typ. 17 19 7 7 10 7 6 -2 55 max. 36 38 15 23 23 20 15 4 22 -40 to +85 min. max. 45 48 19 27 27 24 18 4 18 -40 to +125 min. max. 54 57 22 ns ns ns ns ns ns ns ns MHz 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 Fig.6 Fig.6 Fig.6 Fig.6 Fig.6 Fig.6 Fig.6 Fig.6 Fig.6 UNIT VCC WAVEFORMS (V) TEST CONDITIONS
maximum clock pulse 27 frequency
December 1990
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Philips Semiconductors
Product specification
8-bit serial-in/parallel-out shift register
AC WAVEFORMS
74HC/HCT164
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.6
Waveforms showing the clock (CP) to output (Qn) propagation delays, the clock pulse width, the output transition times and the maximum clock frequency.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.7
Waveforms showing the master reset (MR) pulse width, the master reset to output (Qn) propagation delays and the master reset to clock (CP) removal time.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.8 Waveforms showing the data set-up and hold times for Dn inputs.
December 1990
7
Philips Semiconductors
Product specification
8-bit serial-in/parallel-out shift register
PACKAGE OUTLINES See "74HC/HCT/HCU/HCMOS Logic Package Outlines".
74HC/HCT164
December 1990
8
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