參數(shù)資料
型號: 74HC190PW
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Presettable synchronous BCD decade up/down counter
中文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16
文件頁數(shù): 9/13頁
文件大小: 101K
代理商: 74HC190PW
December 1990
9
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT190
t
rem
removal time
PL to CP
35
7
6
205
41
35
100
20
17
140
28
24
0
0
0
0
0
0
0
0
0
3.0
15
18
8
3
2
61
22
18
19
7
6
39
14
11
44
16
13
14
5
4
19
7
6
8.3
25
30
45
9
8
255
51
43
125
25
21
175
35
30
0
0
0
0
0
0
0
0
0
2.4
12
14
55
11
9
310
62
53
150
30
26
210
42
36
0
0
0
0
0
0
0
0
0
2.0
10
12
ns
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.15
t
su
set-up time
U/D to CP
ns
Fig.17
t
su
set-up time
D
n
to PL
ns
Fig.16
t
su
set-up time
CE to CP
ns
Fig.17
t
h
hold time
U/D to CP
ns
Fig.17
t
h
hold time
D
n
to PL
ns
Fig.16
t
h
hold time
CE to CP
ns
Fig.17
f
max
maximum clock pulse
frequency
MHz
Fig.10
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+
25
40 TO
+
85
40 TO
+
125
min. typ.
max.
min.
max.
min.
max.
相關PDF資料
PDF描述
74HCT190D Presettable synchronous BCD decade up/down counter
74HCT190DB Presettable synchronous BCD decade up/down counter
74HCT190N Presettable synchronous BCD decade up/down counter
74HCT190PW Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-PDIP -40 to 85
74HCT191 Presettable synchronous 4-bit binary up/down counter
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