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HC253 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 HC253
部品説明 Dual 4-Input Data Selector/Multiplexer with 3-State Otputs
メーカ System Logic Semiconductor
ロゴ System Logic Semiconductor ロゴ 



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HC253 Datasheet, HC253 PDF,ピン配置, 機能
SL74HC253
Dual 4-Input Data Selector/Multiplexer
with 3-State Otputs
High-Performance Silicon-Gate CMOS
The SL74HC253 is identical in pinout to the LS/ALS253. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The Address Inputs select one of four Data Inputs from each
multiplexer. Each multiplexer has an active-low Output Enable control
and a three-state noninverting output.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
SL74HC253N Plastic
SL74HC253D SOIC
TA = -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Output
A1 A0 OE
Y
XX
H
Z
LL
L
D0
LH
L
D1
HL
L
D2
HH
L
D3
D0,D1...D3=the level of the respective
Data Input
Z = high impedance
X = don’t care
SLS
System Logic
Semiconductor

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