74LVC374A Просмотр технического описания (PDF) - Philips Electronics

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74LVC374A

Octal D-type flip-flop with 5-volt tolerant inputs/outputs; positive edge-trigger (3-State)

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop with 5-volt tolerant

inputs/outputs; positive edge-trigger (3-State)

Product specification

74LVC374A

LOGIC DIAGRAM

D0

D1

D2

D3

D4

D5

D6

D7

DQ

CP

FF1

DQ

CP

FF2

DQ

CP

FF3

DQ

CP

FF4

DQ

CP

FF5

DQ

CP

FF6

DQ

CP

FF7

DQ

CP

FF8

CP

OE

Q0

Q1

Q2

Q3

Q4

Q5

FUNCTION TABLE

OPERATING MODES

Load and read register

INPUTS

OE

LE

Dn

L

°

l

L

°

h

INTERNAL FLIP-FLOPS

L

H

Load register and

H

°

l

L

disable outputs

H

°

h

H

H = HIGH voltage level

h = HIGH voltage level one setup time prior to the LOW-to-HIGH CP transition

L = LOW voltage level

l = LOW voltage level one setup time prior to the LOW-to-HIGH CP transition

Z = High impedance OFF-state

° = LOW-to-HIGH clock transition

Q6

Q7

SA00393

OUTPUTS

Q0 to Q7

L

H

Z

Z

1998 Jul 29

4

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