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MC74LCX257_12

更新时间： 2024-12-01 01:11:59
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安森美 - ONSEMI /
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8页 132K
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Low-Voltage CMOS Quad 2-Input Multiplexer

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MC74LCX257  
Low-Voltage CMOS Quad  
2-Input Multiplexer  
With 5.0 V−Tolerant Inputs and Outputs  
(3−State, Non−Inverting)  
http://onsemi.com  
MARKING  
The MC74LCX257 is a high performance, quad 2−input  
multiplexer with 3−state outputs operating from a 2.3 to 3.6 V supply.  
High impedance TTL compatible inputs significantly reduce current  
loading to input drivers while TTL compatible outputs offer improved  
DIAGRAMS  
16  
switching noise performance. A V specification of 5.5 V allows  
I
SOIC−16  
D SUFFIX  
CASE 751B  
MC74LCX257 inputs to be safely driven from 5.0 V devices.  
Four bits of data from two sources can be selected using the Select  
input. The four outputs present the selected data in the true  
(non−inverted) form. The outputs may be switched to a high  
impedance state by placing a logic HIGH on the Output Enable (OE)  
input. Current drive capability is 24 mA at the outputs.  
LCX257G  
AWLYWW  
16  
1
1
16  
LCX  
257  
TSSOP−16  
DT SUFFIX  
CASE 948F  
Features  
16  
ALYWG  
• Designed for 2.3 to 3.6 V V Operation  
• 5.0 V Tolerant − Interface Capability with 5.0 V TTL Logic  
• Supports Live Insertion and Withdrawal  
CC  
1
G
1
• I  
Specification Guarantees High Impedance When V = 0 V  
CC  
• LVTTL Compatible  
OFF  
A
WL, L  
Y
= Assembly Location  
= Wafer Lot  
• LVCMOS Compatible  
= Year  
WW, W = Work Week  
G or G  
• 24 mA Balanced Output Sink and Source Capability  
• Near Zero Static Supply Current in All Three Logic States (10 mA)  
Substantially Reduces System Power Requirements  
• Latchup Performance Exceeds 500 mA  
= Pb−Free Package  
(Note: Microdot may be in either location)  
• ESD Performance:  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 3 of this data sheet.  
♦ Human Body Model >2000 V  
♦ Machine Model >200 V  
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS  
Compliant  
© Semiconductor Components Industries, LLC, 2012  
1
Publication Order Number:  
October, 2012 − Rev. 7  
MC74LCX257/D  
12345678

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 		Low-Voltage CMOS Quad 2-Input Multiplexer

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