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參數(shù)資料
| 型號： | LS244 |
| 廠商： | System Logic Semiconductor Co., Ltd. |
| 英文描述： | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| 中文描述： | 八路三態(tài)同相緩沖器/線路驅(qū)動器/線接收器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 40K |
| 代理商： | LS244 |
SL74LS244
S ystem Logic
Semiconductor
SLS
Octal 3-State Noninverting Buffer/Line
Driver/Line Receiver
These octal buffers and line drivers and designed specifically to
improve both the performance and density of three-state memory
address drivers, clock drivers, and busoriented receivers and
transmitters.
This devise features high fan-out, improved fan-in, and 400 mV noise
margin.
It can be used to drive terminated lines down to 133 ohms.
3-State Outputs Drive Bus Lines or Buffer Memory Address
Registers
P-N-P Inputs Reduce D-C Loading
Hysteresis at Inputs Improves Noise Margins
ORDERING INFORMATION
SL74LS244N Plastic
SL74LS244D SOIC
T
A
= 0
°
to 70
°
C
for all packages
FUNCTION TABLE
Inputs
Outputs
Enable A,
Enable B
A,B
YA,YB
L
L
L
L
H
H
H
X
Z
X=don’t care
Z = high impedance
LOGIC DIAGRAM
PIN 20=V
CC
PIN 10 = GND
PIN ASSIGNMENT
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