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U74AHCT157

Unisonic Technologies
Part Number U74AHCT157
Manufacturer Unisonic Technologies
Description QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
Published Feb 22, 2016
Detailed Description UNISONIC TECHNOLOGIES CO., LTD U74AHCT157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/ MULTIPLEXER „ DESCRIPTION The U74AHC...
Datasheet PDF File U74AHCT157 PDF File

U74AHCT157
U74AHCT157

Overview
UNISONIC TECHNOLOGIES CO.
, LTD U74AHCT157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/ MULTIPLEXER „ DESCRIPTION The U74AHCT157 is a quadruple 2-line to 1-line data selector/multiplexer.
When G is high, all outputs are low.
When G is low, a 4-bit word is selected from one of two sources and is routed to the four outputs.
The devices provide true data.
„ FEATURES * TTL-Voltage Compatible * Max tPD of 4.
1ns from A or B to Y at 5V, CL=15pF * Low Quiescent Current: ICC = 2 μA (MAX) at 5.
5V * ±8 mA output driver at 5V CMOS IC „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free U74AHCT157L-P16-R U74AHCT157G-P16-R U74AHCT157L-P16-T U74AHCT157G-P16-T Package TSSOP-16 TSSOP-16 Packing Tape Reel Tube www.
unisonic.
com.
tw Copyright © 2011 Unisonic Technologies Co.
, Ltd 1 of 6 QW-R502-652.
A U74AHCT157 „ PIN CONFIGURATION CMOS IC „ FUNCTION TABLE INPUTS G A/B A HXX LLL L LH LHX LHX „ LOGIC DIAGRAM B X X X L H OUTPUTS Y L L H L H UNISONIC TECHNOLOGIES CO.
, LTD www.
unisonic.
com.
tw 2 of 6 QW-R502-652.
A U74AHCT157 CMOS IC „ ABSOLUTE MAXIMUM RATING (TA =25°C ,unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage Range VCC -0.
5~7 V Input Voltage Range Output Voltage Range Input Clamp Current (VIN<0) VIN VOUT IIK -0.
5~7 -0.
5~VCC +0.
5 -20 V V mA Output Clamp Current (VOUT<0, or VOUT>VCC) Output Current VCC or GND Current IOK IOUT ICC ±20 mA ±25 mA ±50 mA Storage Temperature TSTG -65 ~ +150 °C Note: 1.
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2.
Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ RECOMMENDED OPERATING COMDITIONS PARAMETER Supply Voltage High-Level Input Voltage Low-Level Input Voltage Input Voltage Output Voltage High-Level Output Current Low-Level Output Current Input Rise or Fall Times Operati...


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