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54AC175 View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54AC175 Quad D Flip-Flop National-Semiconductor
National ->Texas Instruments National-Semiconductor
54AC175 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
Functional Description
The ’AC/’ACT175 consists of four edge-triggered D flip-flops
with individual D inputs and Q and Q outputs. The Clock and
Master Reset are common. The four flip-flops will store the
state of their individual D inputs on the LOW-to-HIGH clock
(CP) transition, causing individual Q and Q outputs to follow.
A LOW input on the Master Reset (MR) will force all Q out-
puts LOW and Q outputs HIGH independent of Clock or Data
inputs. The ’AC/’ACT175 is useful for general logic applica-
tions where a common Master Reset and Clock are
acceptable.
Logic Diagram
Truth Table
Inputs
@ tn, MR = H
Dn
L
H
H = HIGH Voltage Level
L = LOW Voltage Level
tn = Bit Time before Clock Pulse
tn+1 = Bit Time after Clock Pulse
Outputs
@ tn+1
Qn
Qn
L
H
H
L
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
DS100278-5
www.national.com
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