參數(shù)資料
型號(hào): 933897000602
廠商: NXP SEMICONDUCTORS
元件分類: 計(jì)數(shù)器
英文描述: F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16
文件頁(yè)數(shù): 8/14頁(yè)
文件大?。?/td> 104K
代理商: 933897000602
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
3
LOGIC SYMBOL
15
1
10
9
7
6
2
3
14
5
CP
Q0
D0 D1
Q1
D2
Q2
Q3
D3
CE
U/D
TC
RC
4
12
13
PL
11
SF00730
VCC=Pin 16
GND=Pin 8
LOGIC SYMBOL (IEEE/IEC)
4
5
14
11
[1]
C5 [LOAD]
15
1
10
9
5D
3
2
6
7
1,2–/1,3+
G4
EN1
SF00731
M2[DOWN]
M3[UP]
CTR DIV 10
6, 4, 1
[2]
[4]
[8]
+ –
12
13
2(CT=0)Z6
3(CT=15)Z6
LOGIC DIAGRAM
U/D
K
J
Q
CP
Q
SD
RD
K
J
Q
CP
Q
SD
RD
K
J
Q
CP
Q
SD
RD
K
J
Q
CP
Q
SD
RD
D0
D1
D2
D3
Q1
Q2
Q3
Q0
TC
RC
CP
CE
PL
15
1
10
9
7
6
2
3
12
13
14
4
5
11
VCC
= Pin 16
GND = Pin 8
SF00732
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