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74ACT374SCX View Datasheet(PDF) - Fairchild Semiconductor

Part Name74ACT374SCX Fairchild
Fairchild Semiconductor Fairchild
DescriptionOctal D-Type Flip-Flop with 3-STATE Outputs
74ACT374SCX Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Connection Diagram
Logic Symbols
IEEE/IEC
Pin Description
Pin
Names
D0–D7
CP
OE
O0–O7
Description
Data Inputs
Clock Pulse Input
3-STATE Output Enable Input
3-STATE Outputs
Functional Description
The AC/ACT374 consists of eight edge-triggered flip-
flops with individual D-type inputs and 3-STATE true out-
puts. The buffered clock and buffered Output Enable are
common to all flip-flops. The eight flip-flops will store the
state of their individual D inputs that meet the setup and
hold time requirements on the LOW-to-HIGH Clock (CP)
transition. With the Output Enable (OE) LOW, the con-
tents of the eight flip-flops are available at the outputs.
When the OE is HIGH, the outputs go to the high imped-
ance state. Operation of the OE input does not affect the
state of the flip-flops.
Truth Table
Inputs
Dn
CP
OE
H
L
L
L
X
X
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
= LOW-to-HIGH Transition
Outputs
On
H
L
Z
©1988 Fairchild Semiconductor Corporation
74AC374, 74ACT374 Rev. 1.5.0
2
www.fairchildsemi.com
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