SN54AHC374, SN74AHC374

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SCLS240I – OCTOBER 1995 – REVISED JULY 2003

2

POST OFFICE BOX 655303

description/ordering information (continued)

OE does not affect internal operations of the flip-flop. Old data can be retained or new data can be entered while

the outputs are in the high-impedance state.

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

OE

CLK

D

Q

L

↑

H

H

L

↑

LL

L

H or L

X

Q0

H

X

X

Z

logic diagram (positive logic)

OE

To Seven Other Channels

1

11

3

2

CLK

1D

C1

1D

1Q