MC74AC174 데이터 시트보기 (PDF) - Motorola => Freescale
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MC74AC174 Datasheet PDF : 7 Pages
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MC74AC174
MC74ACT174
Hex D FlipĆFlop
with Master Reset
The MC74AC174/74ACT174 is a high-speed hex D flip-flop. The device is
used primarily as a 6-bit edge-triggered storage register. The information on the
D inputs is transferred to storage during the LOW-to-HIGH clock transition. The
device has a Master Reset to simultaneously clear all flip-flops.
• Outputs Source/Sink 24 mA
• ′ACT174 Has TTL Compatible Inputs
VCC Q5 D5 D4 Q4 D3 Q3 CP
16 15 14 13 12 11 10 9
12345678
MR Q0 D0 D1 Q1 D2 Q2 GND
PIN NAMES
D0–D5
CP
MR
Q0–Q5
Data Inputs
Clock Pulse Input
Master Reset Input
Outputs
TRUTH TABLE
Inputs
Output
MR CP
D
Q
L
X
X
L
H
H
H
H
L
L
H
L
X
Q
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Transition of Clock
HEX D FLIP-FLOP
WITH MASTER RESET
N SUFFIX
CASE 648-08
PLASTIC
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC SYMBOL
D0 D1 D2 D3 D4 D5
CP
MR
Q0 Q1 Q2 Q3 Q4 Q5
FACT DATA
5-1
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