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参数资料
| 型号： | 54F244DMQB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 总线收发器 |
| 英文描述： | F/FAST SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP20 |
| 封装： | CERAMIC, DIP-20 |
| 文件页数： | 4/10页 |
| 文件大小： | 400K |
| 代理商： | 54F244DMQB |
Unit LoadingFan Out
54F74F
Pin Names
Description
UL
Input IIH IIL
HIGHLOW
Output IOH IOL
OE1 OE2
TRI-STATE Output Enable Input (Active LOW)
101667
20 mA b1mA
OE2
TRI-STATE Output Enable Input (Active HIGH)
101667
20 mA b1mA
I0–I7
Inputs (’F240)
101667
20 mA b1mA
I0–I7
Inputs (’F241 ’F244)
102667
20 mA b16 mA
O0–O7 O0–O7
Outputs
6001066 (80)
b
12 mA64 mA (48 mA)
Worst-case ’F240 enabled ’F241 ’F244 disabled
Truth Tables
’F240
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
HX
Z
LH
L
LH
L
LL
H
LL
H
’F241
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
L
X
Z
LH
H
LL
L
H
L
’F244
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
HX
Z
LH
H
LH
H
LL
L
LL
L
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
Z e High Impedance
3
Obsolete
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 54F244DMQB | 制造商:National Semiconductor Corporation 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST Bipolar 20-Pin CDIP Rail |
| 54F244FM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 54F244FMQB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual 4-Bit Non-Inverting Buffer/Driver |
| 54F244LM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 54F244LMQB | 制造商:QP Semiconductor 功能描述:NSC F244/M DIE |
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