MC74LCX540: Low Voltage CMOS Octal Buffer Flow Through Pinout

Datasheet: Low-Voltage CMOS Octal Buffer Flow Through Pinout
Rev. 8 (126.0kB)
Product Overview
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Product Change Notification
The MC74LCX540 is a high performance, inverting octal buffer operating from a 2.3 to 3.6V supply. This device is similar in function to the MC74LCX240, while providing flow through architecture. High impedance TTL compatible inputs significantly reduce current loading to input drivers while TTL compatible outputs offer improved switching noise performance. A VI specification of 5.5V allows MC74LCX540 inputs to be safely driven from 5V devices. The MC74LCX540 is suitable for memory address driving and all TTL level bus oriented transceiver applications.

Current drive capability is 24mA at the outputs. The Output Enable(OE1bar, OE2bar) inputs, when HIGH, disables the outputs by placing them in a HIGH Z condition.
Features
 
  • Designed for 2.3 to 3.6V VCC Operation
  • 5V Tolerant - Interface Capability With 5V TTL Logic
  • Supports Live Insertion and Withdrawal
  • IOFF Specification Guarantees High Impedance When VCC = 0V
  • LVTTL Compatible
  • LVCMOS Compatible
  • 24mA Balanced Output Sink and Source Capability
  • Near Zero Static Supply Current in All Three Logic States (10mA)
    Substantially Reduces System Power Requirements
  • Latchup Performance Exceeds 500mA
  • ESD Performance: Human Body Model >2000V; Machine Model >200V
  • Pb-Free Packages are Available*
Technical Documentation & Design Resources
Simulation Models (3) Package Drawings (2)
Data Sheets (1)  
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
MC74LCX540DTG Active
Pb-free
Halide free
MC74LCX540 TSSOP-20 9.48 1 260 Tube 75 $0.2943
MC74LCX540DTR2G Active
Pb-free
Halide free
MC74LCX540 TSSOP-20 9.48 1 260 Tape and Reel 2500 $0.3001
MC74LCX540DWR2G Active
Pb-free
Halide free
MC74LCX540 SOIC-20W 751D-05 3 260 Tape and Reel 1000 $0.4307
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : 13 to 16
Avnet   (2020-08-19 00:00) : >1K
Market Leadtime (weeks) : Contact Factory
ON Semiconductor   (2020-09-02 00:00) : 12,000

Product
Description
Pricing ($/Unit)
Compliance
Status
Channels
Output
VCC Min (V)
VCC Max (V)
tpd Max (ns)
IO Max (mA)
Package Type
MC74LCX540DTG  
 $0.2943 
Pb
H
 Active   
8
3-State
2
3.6
6.5
24
TSSOP-20
MC74LCX540DTR2G  
 $0.3001 
Pb
H
 Active   
8
3-State
2
3.6
6.5
24
TSSOP-20
MC74LCX540DWR2G  
 $0.4307 
Pb
H
 Active   
8
3-State
2
3.6
6.5
24
SOIC-20W
Case Outlines
751D-05    9.48   
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