SN74LS322DW Motorola, SN74LS322DW Datasheet

SN74LS322DW

Manufacturer Part Number

SN74LS322DW

Description

8-BIT SHIFT REGISTERS WITH SIGN EXTEND

Manufacturer

Motorola

Datasheet

1.SN74LS322DW.pdf (4 pages)

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8-BIT SHIFT REGISTERS

WITH SIGN EXTEND

accomplish full 8-bit data handling in a single 20-pin package. Serial data may

enter the shift-right register through either D0 or D1 inputs as selected by the

data select pin. A serial output is also provided. Synchronous parallel loading

is achieved by taking the register enable and the S / P inputs low. This places

the three-state input / output ports in the data input mode. Data is entered on

the low-to-high clock transition. The data extend function repeats the sign in

the Q A flip-flop during shifting. An overriding clear input clears the internal

registers when taken low whether the outputs are enabled or off. The output

enable does not affect synchronous operation of the register.

GUARANTEED OPERATING RANGES

V CC

T A

I OH

I OL

I OH

I OL

These 8-bit shift registers have multiplexed input/output data ports to

Multiplexed Inputs/ Outputs Provide Improved Bit Density

Sign Extend Function

Direct Overriding Clear

3-State Outputs Drive Bus Lines Directly

Symbol

ENABLE

V CC

Supply Voltage

Operating Ambient Temperature Range

Output Current — High

Output Current — Low

Output Current — High

Output Current — Low

SELECT

DATA

S/P

EXTEND D1

SIGN

A/Q A C/Q C

B/Q B

(TOP VIEW)

B/Q B D/Q D

Parameter

D/Q D

E/Q E G/Q G

E/Q E G/Q G OE

Q H

Q A – Q H

F/Q F

OUTPUT

ENABLE

H/Q H

H/G H Q/ H

FAST AND LS TTL DATA

CLEAR GND

CLR

Q/ H CLOCK

5-1

54, 74

4.75

– 55

Min

4.5

SN54/74LS322A

8-BIT SHIFT REGISTERS

ORDERING INFORMATION

LOW POWER SCHOTTKY

SN54LSXXXJ

SN74LSXXXN

SN74LSXXXDW SOIC

WITH SIGN EXTEND

Typ

5.0

– 0.4

– 1.0

– 2.6

Max

5.25

125

5.5

4.0

8.0

Ceramic

Plastic

CASE 751D-03

CASE 732-03

CASE 738-03

DW SUFFIX

CERAMIC

N SUFFIX

J SUFFIX

PLASTIC

SOIC

Unit

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SN74LS322DW Summary of contents

Page 1

SHIFT REGISTERS WITH SIGN EXTEND These 8-bit shift registers have multiplexed input/output data ports to accomplish full 8-bit data handling in a single 20-pin package. Serial data may enter the shift-right register through either inputs as ...

Page 2

REGISTER (1) ENABLE G (2) S/P SIGN (18) EXTEND SE (17) D1 DATA (19) SELECT DS (3) D0 (11) CLOCK (9) CLEAR OUTPUT (8) ENABLE OE OPERATION OPERATION REGISTER CLEAR S/P ENABLE Clear Hold ...

Page 3

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol Symbol Parameter Parameter V IH Input HIGH Voltage Input LOW Voltage Input LOW Voltage V IK Input Clamp Diode Voltage Output HIGH Voltage Output HIGH Voltage ...

Page 4

AC CHARACTERISTICS ( 5.0 V) Symbol Symbol Parameter Parameter f MAX Maximum Clock Frequency t PHL Propagation Delay, Clock t PLH Propagation Delay, Clear t PHL ...

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