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CD74AC191M 데이터시트(PDF) 2 Page - Texas Instruments

부품명 CD74AC191M
상세설명  Presettable Synchronous 4-Bit Binary Up/Down Counter
PDF  10 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

CD74AC191M 데이터시트(HTML) 2 Page - Texas Instruments

  CD74AC191M Datasheet HTML 1Page - Texas Instruments CD74AC191M Datasheet HTML 2Page - Texas Instruments CD74AC191M Datasheet HTML 3Page - Texas Instruments CD74AC191M Datasheet HTML 4Page - Texas Instruments CD74AC191M Datasheet HTML 5Page - Texas Instruments CD74AC191M Datasheet HTML 6Page - Texas Instruments CD74AC191M Datasheet HTML 7Page - Texas Instruments CD74AC191M Datasheet HTML 8Page - Texas Instruments CD74AC191M Datasheet HTML 9Page - Texas Instruments Next Button
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2
Functional Diagram
TRUTH TABLE
INPUTS
FUNCTION
PL
CE
U/D
CP
HL
L
↑
Count Up
HLH
↑
Count Down
L
X
X
X
Asynchronous Preset
H
H
X
X
No Change
U/D or CE should be changed only when clock is high.
X = Don’t Care
↑ = Low-to-High clock transition.
ASYN. PARALLEL
CLOCK
UP/DOWN
11
14
5
15
1
10
9
3
2
6
7
12
Q0
Q1
Q2
Q3
TERMINAL
P0
P1
P2
P3
BINARY
PRESET
COUNT
4
13
RIPPLE CLOCK
ENABLE
LOAD ENABLE
COUNT
BINARY
OUTPUTS
CD74AC191, CD74ACT191



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