KK74HC253A Datasheet, PDF (1/6 Pages) KODENSHI KOREA CORP. – Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Performance Silicon-Gate CMOS

TECHNICAL DATA
Dual 4-Input Data Selector/Multiplexer
with 3-State Otputs
High-Performance Silicon-Gate CMOS
KK74HC253A
The KK74HC253A 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
KK74HC253AN Plastic
KK74HC253AD SOIC
T_A = -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 16 =V_CC
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
1