mm74hct164 Fairchild Semiconductor, mm74hct164 Datasheet

mm74hct164

Manufacturer Part Number

mm74hct164

Description

8-bit Serial-in/parallel-out Shift Register

Manufacturer

Fairchild Semiconductor

Datasheet

1.MM74HCT164.pdf (6 pages)

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MM74HCT164M

MM74HCT164SJ

MM74HCT164N

MM74HCT164

8-Bit Serial-in/Parallel-out Shift Register

General Description

The MM74HCT164 utilizes advanced silicon-gate CMOS

technology. It has the high noise immunity and low con-

sumption of standard CMOS integrated circuits. It also

offers speeds comparable to low power Schottky devices.

This 8-bit shift register has gated serial inputs and CLEAR.

Each register bit is a D-type master/slave flip-flop. Inputs A

& B permit complete control over the incoming data. A

LOW at either or both inputs inhibits entry of new data and

resets the first flip-flop to the low level at the next clock

pulse. A HIGH level on one input enables the other input

which will then determine the state of the first flip-flop. Data

at the serial inputs may be changed while the clock is HIGH

or LOW, but only information meeting the setup and hold

time requirements will be entered. Data is serially shifted in

and out of the 8-bit register during the positive going transi-

tion of the clock pulse. Clear is independent of the clock

and accomplished by a low level at the CLEAR input.

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Order Number

Pin Assignments for DIP, SOIC and SOP

Package Number

Top View

M14D

M14A

N14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow

14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

14-Lead Plastic Dual-In-Line Package (PDIP) JEDEC MS-001, 0.300” Wide

DS005765.prf

The 74HCT logic family is functionally as well as pin-out

compatible with the standard 74LS logic family. All inputs

are protected from damage due to static discharge by inter-

nal diode clamps to V

MM74HCT devices are intended to interface between TTL

and NMOS components and standard CMOS devices.

These parts are also plug-in replacements for LS-TTL

devices and can be used to reduce power consumption in

existing designs.

Features

Truth Table

indicated steady state input conditions were established.

the clock; indicated a one-bit shift.

Typical propagation delay: 20 ns

Low quiescent current: 40 A maximum (74HCT Series)

Low input current: 1 A maximum

Fanout of 10 LS-TTL loads

TTL input compatible

Clear

LOW Level (steady state)

Transition from LOW-to-HIGH level.

Irrelevant (any input, including transitions)

, Q

HIGH Level (steady state)

, Q

Package Description

, Q

The level of Q

Inputs

Clock

the level of Q

or Q

and ground.

, Q

before the most recent

, or Q

February 1984

Revised February 1999

, respectively, before the

Outputs

www.fairchildsemi.com

transition of

...

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mm74hct164 Summary of contents

Page 1

... MM74HCT164 8-Bit Serial-in/Parallel-out Shift Register General Description The MM74HCT164 utilizes advanced silicon-gate CMOS technology. It has the high noise immunity and low con- sumption of standard CMOS integrated circuits. It also offers speeds comparable to low power Schottky devices. This 8-bit shift register has gated serial inputs and CLEAR. ...

Page 2

Logic Diagram www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings (Note 2) Supply Voltage ( Input Voltage ( Output Voltage (V ) OUT Clamp Diode Current ( Output Current, per pin (I ) OUT DC ...

Page 4

AC Electrical Characteristics Symbol Parameter f Maximum Operating MAX Frequency from Clock Maximum Propagation PHL PLH Delay Clock ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14A Package Number M14D 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN ...

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