SN54LS669 데이터 시트보기 (PDF) - Motorola => Freescale

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SN54LS669

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

Motorola => Freescale 

SN54 / 74LS669

CLOCK

INPUT

LOAD

INPUT

DATA INPUTS

A,B,C, and D

ENABLE P or

ENABLE T

UP/DOWN

INPUT

PARAMETER MEASUREMENT INFORMATION

tw(clock)

1.3 V

ts

1.3 V

tw(clock)

1.3 V

1.3 V

ts

th

1.3 V

ts

1.3 V

th

1.3 V

1.3 V

ts

1.3 V

ts

1.3 V

th

1.3 V

1.3 V

3V

0V

th

ts

1.3 V

3V

0V

3V

0V

0V

1.3 V

3V

th

3V

1.3 V

0V

ENABLE T

INPUT

RIPPLE

CARRY

OUTPUT

VOLTAGE WAVEFORMS

1.3 V

tPHL

1.3 V

1.3 V

tPLH

1.3 V

3V

0V

VOL

VOH

FAST AND LS TTL DATA

5-594

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