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參數(shù)資料
| 型號： | 74HC40102 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-bit synchronous BCD down counter |
| 中文描述： | 8位同步BCD碼遞減計數(shù)器 |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 85K |
| 代理商： | 74HC40102 |
December 1990
9
Philips Semiconductors
Product specification
8-bit synchronous BCD down counter
74HC/HCT40102
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
P
n
; CP to TC
propagation delay
TE to TC
propagation delay
PL to TC
propagation delay
MR to TC
output transition time
38
63
79
95
ns
4.5
Figs 8 and 8
t
PHL
/ t
PLH
25
50
63
75
ns
4.5
Fig.8
t
PHL
/ t
PLH
49
83
104
125
ns
4.5
Fig.8
t
PLH
31
55
69
83
ns
4.5
Fig.8
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Figs 8 and 8
t
W
clock pulse width
HIGH or LOW
master reset pulse width
LOW
preset enable pulse width
PL; LOW
removal time
PL; MR to CP
set-up time
PE to CP
set-up time
TE to CP
set-up time
P
n
to CP
hold time
PE to CP
hold time
TE to CP
hold time
P
n
to CP
maximum clock pulse
frequency
33
11
41
50
ns
4.5
Fig.8
t
W
30
16
38
45
ns
4.5
Fig.8
t
W
43
25
54
65
ns
4.5
Fig.8
t
rem
10
1
13
15
ns
4.5
Fig.8
t
su
20
10
25
30
ns
4.5
Fig.8
t
su
40
20
50
60
ns
4.5
Fig.8
t
su
20
12
25
30
ns
4.5
Fig.8
t
h
0
4
0
0
ns
4.5
Fig.8
t
h
0
15
0
0
ns
4.5
Fig.8
t
h
0
6
0
0
ns
4.5
Fig.8
f
max
15
27
12
10
MHz
4.5
Fig.8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC40103D | 功能描述:計數(shù)器 IC 8-BIT SYNC BIN DOWN COUNTER RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HC40103D,652 | 功能描述:計數(shù)器 IC 8-BIT SYNC BIN DOWN RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HC40103D,653 | 功能描述:計數(shù)器 IC 8-BIT SYNC BINARY DOWN COUNTER RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HC40103D652 | 制造商:NXP Semiconductors 功能描述:IC 8BIT SYNC BINARY DOWN COUNTER SOIC- |
| 74HC40103DB | 功能描述:計數(shù)器 IC 8-BIT SYNC BINARY DOWN COUNTER RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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