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參數(shù)資料
| 型號(hào)： | DM74ALS257SJX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | 2-Input Digital Multiplexer |
| 中文描述： | ALS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-16 |
| 文件頁(yè)數(shù)： | 4/7頁(yè) |
| 文件大?。?/td> | 74K |
| 代理商： | DM74ALS257SJX |
www.fairchildsemi.com
4
D
Switching Characteristics DM74ALS257
over recommended operating free air temperature range
Switching Characteristics DM74ALS258
over recommended operating free air temperature range
Symbol
Parameter
Symbol
Parameter
Conditions
From
To
Min
Max
Units
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
R
L
=
500
Data
Any Y
2
10
ns
t
PHL
Data
Any Y
2
12
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Select
Any Y
4
18
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Output Enable Time
Select
Any Y
5
22
ns
t
ZH
Output
Any Y
4
16
ns
to HIGH Level
Output Enable Time
to LOW Level
Control
Output
Control
t
ZL
Any Y
5
18
ns
t
HZ
Output Disable Time
from HIGH Level
Output Disable Time
Output
Control
Output
Any Y
2
10
ns
t
LZ
Any Y
3
15
ns
from LOW Level
Control
Conditions
From
To
Min
Max
Units
t
PLH
Propagation Delay Time
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
R
L
=
500
Data
Any Y
2
8
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Data
Any Y
2
7
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Select
Any Y
3
20
ns
t
PHL
Select
Any Y
5
25
ns
HIGH-to-LOW Level Output
Output Enable Time
to HIGH Level
t
ZH
Output
Control
Any Y
5
18
ns
t
ZL
Output Enable Time
to LOW Level
Output Disable Time
Output
Control
Output
Any Y
5
18
ns
t
HZ
Any Y
2
10
ns
from HIGH Level
Output Disable Time
from LOW Level
Control
Output
Control
t
LZ
Any Y
3
18
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM74ALS258MX | 2-Input Digital Multiplexer |
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| DM74ALS273SJ | FRICTION LOCK HEADER, 6 CIR, STRGHT SQR |
| DM74ALS273WM | Octal D-Type Edge-Triggered Flip-Flop with Clear |
| DM74ALS273MSA | Octal D-Type Edge-Triggered Flip-Flop with Clear |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74ALS258J/A+ | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS258M | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74ALS258M/A+ | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS258M/B+ | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:2-Input Digital Multiplexer |
| DM74ALS258M_Q | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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