전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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54LS190J 데이터 시트보기 (PDF) - Motorola => Freescale
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54LS190J
PRESETTABLE BCD/DECADE PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
Motorola => Freescale
54LS190J Datasheet PDF : 10 Pages
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SN54/74LS190
•
SN54/74LS191
LOGIC DIAGRAMS (continued)
CP U/D
14
5
P0
15
CE
4
P1
1
P2
10
P3
9
PL
11
13
12
RC
TC
VCC = PIN 16
GND = PIN 8
= PIN NUMBERS
J CLOCK K
PRESET
CLEAR
Q
Q
3
Q0
J CLOCK K
PRESET
CLEAR
Q
Q
2
Q1
J CLOCK K
PRESET
CLEAR
Q
Q
6
Q2
BINARY COUNTER
LS191
J CLOCK K
PRESET
CLEAR
Q
Q
7
Q3
FAST AND LS TTL DATA
5-343
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