HD74LS162AFPEL 查看數據表（PDF） - Renesas Electronics

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HD74LS162AFPEL

Synchronous Decade Counter (synchronous clear)

Renesas Electronics 

HD74LS162A

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

VCC

7

V

Input voltage

VIN

7

V

Power dissipation

PT

400

mW

Storage temperature

Tstg

–65 to +150

°C

Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.

Recommended Operating Conditions

Item

Supply voltage

Output current

Operating temperature

Clock frequency

Clock pulse width

Clear pulse width

A, B, C, D

Setup time

Enable P, T

Load

Clear

Hold time

Symbol

VCC

IOH

IOL

Topr

ƒclock

tw (clock)

tw (clear)

tsu

th

Min

4.75

—

—

–20

0

25

20

20

20

20

20

3

Typ

5.00

—

—

25

—

—

—

—

—

—

—

—

Max

5.25

–400

8

75

25

—

—

—

—

—

—

—

Unit

V

µA

mA

°C

MHz

ns

ns

ns

ns

ns

ns

ns

Typical Clear, Preset, and Inhibit Sequence

Clear

Load

A

Data B

Inputs C

D

Clock

Enable P

Enable T

QA

QB

Outputs

QC

QD

Ripple Carry

Output

789012

Count

Clear

Preset

(Load)

Inhibit

Rev.3.00, Jul.15.2005, page 3 of 10

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