HD74LS162A datasheet(8/11 Pages) RENESAS

Part #	HD74LS162A

Description	Synchronous Decade Counter (synchronous clear)

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Manufacturer	RENESAS [Renesas Technology Corp]

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8 / 11 page

HD74LS162A

Rev.3.00, Jul.15.2005, page 8 of 10

Waveforms 2

tPLH, tPHL, (Clock→Q)

Clock

Data Inputs

A, B, C or D

Outputs

QA, QB, QC or QD

1.3V

tTHL

tTLH

tTHL

tTLH

tPLH

tPHL

VOH

VOL

0V

3V

0V

3V

10%

90%

10%

90%

Note:

Input pulse: tTLH

≤ 15 ns, t

THL

≤ 6 ns, Clock input: PRR = 1 MHz, duty cycle 50%,

Data input: PRR = 500 kHz, duty cycle 50%

Waveforms 3

tPLH, tPHL, (Enable T→Ripple Carry)

tPLH

tPHL

VOH

0 V

3 V

1.3 V

Enable T

Ripple

Outputs

10 %

90 %

tTLH

tTHL

10 %

90 %

Note:

Input pulse: tTLH

≤ 15 ns, t

THL

≤ 6 ns, PRR = 1 MHz

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HD74LS162A Datasheet(PDF) 8 Page - Renesas Technology Corp

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