參數(shù)資料
型號(hào): DM74S257N
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 通用總線(xiàn)功能
英文描述: 3-STATE Quad 1-of-2 Data Selector/Multiplexer
中文描述: S SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16
封裝: 0.300 INCH, PLASTIC, MS-001, DIP-16
文件頁(yè)數(shù): 4/5頁(yè)
文件大小: 47K
代理商: DM74S257N
www.fairchildsemi.com
4
D
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Note 5:
C
L
=
5 pF.
R
L
=
280
Symbol
Parameter
From (Input)
C
L
=
15 pF
Min
C
L
=
50 pF
Min
Units
To (Output)
Max
Max
t
PLH
Propagation Delay Time
Data to Output
7.5
11
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Data to Output
6.5
10
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Select to Output
15
16
ns
t
PHL
Select to Output
15
16
ns
HIGH-to-LOW Level Output
Output Enable Time
to HIGH Level Output
t
PZH
Output Control to Y
19.5
23
ns
t
PZL
Output Enable Time
to LOW Level Output
Output Disable Time
Output Control to Y
21
24
ns
t
PHZ
Output Control to Y
8.5
ns
to HIGH Level Output (Note 5)
Output Disable Time
to LOW Level Output (Note 5)
t
PLZ
Output Control to Y
14
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DM74S280 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
DM74S280J 制造商:Rochester Electronics LLC 功能描述:- Bulk
DM74S280M 功能描述:奇偶功能 9-Bit Par Gen/Check RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel
DM74S280N 功能描述:奇偶功能 9-Bit Par Gen/Check RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel
DM74S283 WAF 制造商:Fairchild Semiconductor Corporation 功能描述: