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74LCX374 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. 74LCX374
Description  Low Voltage Octal D-Type Flip-Flop with 5V Tolerant Inputs and Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74LCX374 Datasheet(HTML) 2 Page - Fairchild Semiconductor

 
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Logic Symbol
Connection Diagrams
Pin Assignments for
SOIC, SOP, SSOP, TSSOP
Pad Assignments for DQFN
(Top View)
Pin Descriptions
Truth Table
H
HIGH Voltage Level
L
LOW Voltage Level
X
Immaterial
Z
High Impedance
 LOW-to-HIGH Transition
O0 Previous O0 before HIGH-to-LOW of CP
Functional Description
The LCX374 consists of eight edge-triggered flip-flops with
individual D-type inputs and 3-STATE true outputs. 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 contents of the
eight flip-flops are available at the outputs. When the OE is
HIGH, the outputs go to the high impedance state. Opera-
tion of the OE input does not affect the state of the flip-
flops.
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Pin Names
Description
D0–D7
Data Inputs
CP
Clock Pulse Input
OE
Output Enable Input
O0–O7
3-STATE Outputs
Inputs
Outputs
Dn
CP
OE
On
H

LH
L

LL
XL
L
O0
XX
HZ


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