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參數(shù)資料
| 型號： | 74HC192 |
| 廠商： | NXP Semiconductors N.V. |
| 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： | 可預(yù)置同步BCD碼十年向上/向下計數(shù)器 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 90K |
| 代理商： | 74HC192 |
December 1990
10
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT192
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
U
, CP
D
to Q
n
propagation delay
CP
U
to TC
U
propagation delay
CP
D
to TC
D
propagation delay
PL to Q
n
propagation delay
MR to Q
n
propagation delay
D
n
to Q
n
propagation delay
PL to TC
U,
PL to TC
D
propagation delay
MR to TC
U,
MR to TC
D
propagation delay
D
n
to TC
U
, D
n
to TC
D
output transition time
23
43
54
65
ns
4.5
Fig.7
t
PHL
/ t
PLH
16
30
38
45
ns
4.5
Fig.8
t
PHL
/ t
PLH
17
30
38
45
ns
4.5
Fig.8
t
PHL
/ t
PLH
28
46
58
69
ns
4.5
Fig.9
t
PHL
24
40
50
60
ns
4.5
Fig.10
t
PHL
/ t
PLH
36
62
78
93
ns
4.5
Fig.9
t
PHL
/ t
PLH
36
64
80
96
ns
4.5
Fig.12
t
PHL
/ t
PLH
36
64
80
96
ns
4.5
Fig.12
t
PHL
/ t
PLH
33
58
73
87
ns
4.5
Fig.12
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.10
t
W
up, down clock pulse width
HIGH or LOW
master reset pulse width
HIGH
parallel load pulse width
LOW
removal time
PL to CP
U
, CP
D
removal time
MR to CP
U
, CP
D
set-up time
D
n
to PL
25
14
31
38
ns
4.5
Fig.7
t
W
16
6
20
24
ns
4.5
Fig.10
t
W
20
10
25
30
ns
4.5
Fig.9
t
rem
10
1
13
15
ns
4.5
Fig.9
t
rem
10
2
13
15
ns
4.5
Fig.10
t
su
16
8
20
24
ns
4.5
Fig.11 note:
CP
U
= CP
D
=
HIGH
Fig.11
t
h
hold time
D
n
to PL
hold time
CP
U
to CP
D
, CP
D
to CP
U
maximum up, down clock
pulse frequency
0
6
0
0
ns
4.5
t
h
20
9
25
30
ns
4.5
Fig.13
f
max
20
41
16
13
MHz
4.5
Fig.7
相關(guān)PDF資料 |
PDF描述 |
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| 74HCT193 | Presettable synchronous 4-bit binary up/down counter |
| 74HC193 | Presettable synchronous 4-bit binary up/down counter |
| 74HCT194 | 4-bit bidirectional universal shift register |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC192D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC192D-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74HC192N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC193 | 制造商:HAR 功能描述:74HC193 |
| 74HC193_13 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous 4-bit binary up/down counter |
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