MC74AC378 Ver la hoja de datos (PDF) - Motorola => Freescale
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MC74AC378 Datasheet PDF : 7 Pages
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MC74AC378
MC74ACT378
Parallel D Register with Enable
The MC74AC378/74ACT378 is a 6-bit register with a buffered common Enable.
This device is similar to the MC74AC174/74ACT174, but with common Enable
rather than common Master Reset.
• 6-Bit High-Speed Parallel Register
• Positive Edge-Triggered D-Type Inputs
• Fully Buffered Common Clock and Enable Inputs
• Outputs Source/Sink 24 mA
• ′ACT378 Has TTL Compatible Inputs
VCC Q5 D5 D4 Q4 D3 Q3 CP
16 15 14 13 12 11 10 9
12345678
E Q0 D0 D1 Q1 D2 Q2 GND
PIN NAMES
E
D0–D5
CP
Q0–Q5
Enable Input
Data Inputs
Clock Pulse Input
Outputs
TRUTH TABLE
Inputs
Outputs
E CP Dn
Qn
H
X No Change
L
H
H
L
L
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Transition
PARALLEL
D REGISTER
WITH ENABLE
N SUFFIX
CASE 648-08
PLASTIC
D SUFFIX
CASE 751B-05
PLASTIC
LOGIC SYMBOL
E D0 D1 D2 D3 D4 D5
CP
Q0 Q1 Q2 Q3 Q4 Q5
FACT DATA
5-1
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