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MC74HC164ADT View Datasheet(PDF) - ON Semiconductor

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MC74HC164ADT Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
MC74HC164A
8-Bit Serial-Input/
Parallel-Output Shift
Register
High–Performance Silicon–Gate CMOS
The MC74HC164A is identical in pinout to the LS164. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
The MC74HC164A is an 8–bit, serial–input to parallel–output shift
register. Two serial data inputs, A1 and A2, are provided so that one
input may be used as a data enable. Data is entered on each rising edge
of the clock. The active–low asynchronous Reset overrides the Clock
and Serial Data inputs.
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2 to 6 V
Low Input Current: 1 µA
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 244 FETs or 61 Equivalent Gates
LOGIC DIAGRAM
SERIAL A1 1
DATA
2
INPUTS A2
DATA
8
CLOCK
9
RESET
3 QA
4 QB
5 QC
6 QD
10 QE
11 QF
12 QG
13 QH
PARALLEL
DATA
OUTPUTS
PIN 14 = VCC
PIN 7 = GND
FUNCTION TABLE
Inputs
Outputs
Reset Clock A1 A2 QA QB QH
L
X X X L L L
H
XX
No Change
H
H D D QAn QGn
H
D H D QAn QGn
D = data input
QAn – QGn = data shifted from the preceding
stage on a rising edge at the clock input.
http://onsemi.com
PDIP–14
N SUFFIX
CASE 646
SOIC–14
D SUFFIX
CASE 751A
MARKING
DIAGRAMS
14
MC74HC164AN
AWLYYWW
1
14
HC164A
AWLYWW
1
14
TSSOP–14
DT SUFFIX
CASE 948G
HC
164A
ALYW
1
A
= Assembly Location
WL or L = Wafer Lot
YY or Y = Year
WW or W = Work Week
PIN ASSIGNMENT
A1 1
A2 2
QA 3
QB 4
QC 5
QD 6
GND 7
14 VCC
13 QH
12 QG
11 QF
10 QE
9 RESET
8 CLOCK
ORDERING INFORMATION
Device
Package Shipping
MC74HC164AN
PDIP–14 2000 / Box
MC74HC164AD
SOIC–14
55 / Rail
MC74HC164ADR2
SOIC–14 2500 / Reel
MC74HC164ADT
TSSOP–14 96 / Rail
MC74HC164ADTR2 TSSOP–14 2500 / Reel
© Semiconductor Components Industries, LLC, 2000
1
March, 2000 – Rev. 1
Publication Order Number:
MC74HC164A/D
 

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