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參數(shù)資料
| 型號： | DM74LS390 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | Dual 4-Bit Decade Counter(雙4位十進(jìn)制計數(shù)器) |
| 中文描述： | 雙4位十進(jìn)制計數(shù)器（雙4位十進(jìn)制計數(shù)器） |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 58K |
| 代理商： | DM74LS390 |
www.fairchildsemi.com
4
D
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
R
L
=
2 k
Symbol
Parameter
From (Input)
C
L
=
15 pF
Min
25
20
C
L
=
50 pF
Min
20
15
Units
To (Output)
A to Q
A
B to Q
B
Max
Max
f
MAX
Maximum Clock
Frequency
MHz
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
A to Q
A
20
24
ns
t
PHL
A to Q
A
20
30
ns
HIGH-to-LOW Level Output
Propagation Delay Time
t
PLH
A to Q
C
60
81
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
A to Q
C
60
81
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
B to Q
B
21
27
ns
t
PHL
B to Q
B
21
33
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
B to Q
C
39
51
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
B to Q
C
39
54
ns
t
PLH
B to Q
D
21
27
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
B to Q
D
21
33
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Clear to Any Q
39
45
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM74LS390N | Dual 4-Bit Decade Counter |
| DM74LS390MX | Asynchronous Up Counter |
| DM74LS390M | Dual 4-Bit Decade Counter |
| DM74LS393 | Dual 4-Bit Binary Counter |
| DM74LS393M | Dual 4-Bit Binary Counter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74LS390 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS390J | 制造商:Texas Instruments 功能描述: |
| DM74LS390M | 功能描述:計數(shù)器 IC Dl 4-Bit Dec 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 |
| DM74LS390MX | 功能描述:計數(shù)器 IC Dl 4-Bit Dec 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 |
| DM74LS390N | 功能描述:計數(shù)器 IC Dl 4-Bit Dec 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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