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參數(shù)資料
| 型號： | 933888910623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計數(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 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 104K |
| 代理商： | 933888910623 |
Philips Semiconductors
Product specification
74F193
Up/down binary counter with separate up/down clocks
1995 Jul 17
4
LOGIC DIAGRAM
12
13
J
Q
CP
Q
SD
RD
K
J
Q
CP
Q
SD
RD
D0
D1
D3
Q1
Q0
CPD
PL
15
1
2
3
14
4
11
VCC
= Pin 16
GND = Pin 8
K
J
Q
CP
Q
SD
RD
Q1
10
6
K
J
Q
CP
Q
SD
RD
Q1
9
7
MR
CPU
5
TCU
TCD
D2
SF00749
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING
MR
PL
CPU
CPD
D0
D1
D2
D3
Q0
Q1
Q2
Q3
TCU
TCD
MODE
H
X
L
X
L
H
L
Reset (clear)
H
X
H
X
L
LLL
H
L
X
L
H
L
X
H
L
LLL
H
Parallel load
L
X
H
HHH
L
H
L
H
X
H
HHHH
H
L
H
↑
H
X
Count up
H1
H
Count up
L
H
↑
X
Count down
H
H2
Count down
H = High voltage level
L
= Low voltage level
X = Don’t care
↑ = Low-to-High clock transition
NOTES:
TCU=CPU at terminal count up (HHHH)
TCD=CPD at terminal count down (LLLL)
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