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參數(shù)資料
| 型號(hào)： | 74HC190D |
| 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)： | 11/13頁 |
| 文件大?。?/td> | 101K |
| 代理商： | 74HC190D |
December 1990
11
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT190
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
CP to Q
n
propagation delay
CP to TC
propagation delay
CP to RC
propagation delay
CE to RC
propagation delay
D
n
to Q
n
propagation delay
PL to Q
n
propagation delay
U/D to TC
propagation delay
U/D to RC
output transition time
28
48
60
72
ns
4.5
Fig.10
t
PHL
/ t
PLH
34
58
73
87
ns
4.5
Fig.10
t
PHL
/ t
PLH
20
35
44
53
ns
4.5
Fig.11
t
PHL
/ t
PLH
18
33
41
50
ns
4.5
Fig.11
t
PHL
/ t
PLH
24
44
55
66
ns
4.5
Fig.12
t
PHL
/ t
PLH
29
49
61
74
ns
4.5
Fig.13
t
PHL
/ t
PLH
24
45
56
68
ns
4.5
Fig.14
t
PHL
/ t
PLH
26
45
56
68
ns
4.5
Fig.14
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.15
t
W
clock pulse width
HIGH or LOW
parallel load pulse width
LOW
removal time
PL to CP
set-up time
U/D to CP
set-up time
D
n
to PL
set-up time
CE to CP
hold time
U/D to CP
hold time
D
n
to PL
hold time
CE to CP
maximum clock pulse
frequency
25
10
31
38
ns
4.5
Fig.10
t
W
22
12
28
33
ns
4.5
Fig.15
t
rem
7
1
9
11
ns
4.5
Fig.15
t
su
42
25
53
63
ns
4.5
Fig.17
t
su
20
10
25
30
ns
4.5
Fig.16
t
su
31
18
39
47
ns
4.5
Fig.17
t
h
0
18
0
0
ns
4.5
Fig.17
t
h
0
6
0
0
ns
4.5
Fig.16
t
h
0
10
0
0
ns
4.5
Fig.17
f
max
16
27
13
11
MHz
4.5
Fig.10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74HC190DB | Presettable synchronous BCD decade up/down counter |
| 74HC190N | Presettable synchronous BCD decade up/down counter |
| 74HC190PW | Presettable synchronous BCD decade up/down counter |
| 74HCT190D | Presettable synchronous BCD decade up/down counter |
| 74HCT190DB | Presettable synchronous BCD decade up/down counter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC190DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC190D-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up/Down Counter |
| 74HC190N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC190PW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC191 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SN54HC191, SN74HC191 4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS |
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