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參數(shù)資料
| 型號： | DM74S244N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| 中文描述： | S SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-20 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 46K |
| 代理商： | DM74S244N |
3
www.fairchildsemi.com
D
Switching Characteristics
V
CC
=
5V, T
A
=
25
°
C
Symbol
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Parameter
Conditions
Min
2
Max
7
Units
C
L
=
45 pF
R
L
=
90
C
L
=
45 pF
R
L
=
90
C
L
=
45 pF
R
L
=
90
C
L
=
45 pF
R
L
=
90
C
L
=
5 pF
R
L
=
90
C
L
=
5 pF
R
L
=
90
C
L
=
150 pF
R
L
=
90
C
L
=
150 pF
R
L
=
90
C
L
=
150 pF
R
L
=
90
C
L
=
150 pF
R
L
=
90
DM74S240
ns
DM74S241, DM74244
DM74S240
DM74S241, DM74244
2
2
2
9
7
9
ns
t
PZL
Output Enable Time to
LOW Level
Output Enable Time to
DM74S240
DM74S241, DM74244
DM74S240
3
3
2
15
15
10
ns
t
PZH
ns
HIGH Level
Output Disable Time
from Low Level
DM74S241, DM74244
DM74S240
DM74S241, DM74244
3
4
2
12
15
15
t
PLZ
ns
t
PHZ
Output Disable Time
from High Level
Propagation Delay Time
DM74S240
DM74S241, DM74244
DM74S240
2
2
3
9
9
ns
t
PLH
10
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
DM74S241, DM74244
DM74S240
DM74S241, DM74244
4
3
4
12
10
12
t
PHL
ns
t
PZL
Output Enable Time to
LOW Level
DM74S240
DM74S241, DM74244
6
6
21
21
ns
t
PZH
Output Enable Time to
HIGH Level
DM74S240
DM74S241, DM74244
4
4
12
15
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM74S244 | Octal 3-STATE Buffer/Line Driver/Line Receiver(八3態(tài)緩沖器/線驅(qū)動器/線接收器) |
| DM74S253 | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer |
| DM74S253N | Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer |
| DM74S257 | 3-STATE Quad 1-of-2 Data Selector/Multiplexer |
| DM74S257N | 3-STATE Quad 1-of-2 Data Selector/Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74S251J | 制造商:Texas Instruments 功能描述: |
| DM74S253 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74S253N | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Dl 3-STATE Sel/Mult RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間: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 |
| DM74S257 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74S257J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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