MM74HCT244: Octal 3-STATE Buffer

Datasheet: Inverting Octal 3-STATE Buffer/ Octal 3-STATE Buffer
Rev. A (227kB)
Product Overview
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Product Change Notification
The MM74HCT240 and MM74HCT244 3-STATE buffers utilize advanced silicon-gate CMOS technology and are general purpose high speed inverting and non-inverting buffers. They possess high drive current outputs which enable high speed operation even when driving large bus capacitances. These circuits achieve speeds comparable to low power Schottky devices, while retaining the low power consumption of CMOS. All three devices are TTL input compatible and have a fanout of 15 LS-TTL equivalent inputs. MM74HCT devices are intended to interface between TTL and NMOS components and standard CMOS devices. These parts are also plug-in replacements for LS-TTL devices and can be used to reduce power consumption in existing designs. The MM74HCT240 is an inverting buffer and the MM74HCT244 is a non-inverting buffer. Each device has two active low enables (1G and 2G), and each enable independently controls 4 buffers. All inputs are protected from damage due to static discharge by diodes to VCC and Ground.
Features
 
  • TTL input compatible
  • Typical propagation delay: 14 ns
  • 3-STATE outputs for connection to system buses
  • Low quiescent current: 80 µA
  • High output drive current: 6 mA (min)
Applications
  • This product is general usage and suitable for many different applications.
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
MM74HCT244MTC Active
Pb-free
MM74HCT244 TSSOP-20 9.48 1 260 Tube 75 $0.2572
MM74HCT244MTCX Active
Pb-free
MM74HCT244 TSSOP-20 948AQ 1 260 Tape and Reel 2500 $0.234
MM74HCT244WM Active
Pb-free
Halide free
MM74HCT244 SOIC-20W 751D-05 3 260 Tube 38 $0.3735
MM74HCT244WMX Active
Pb-free
Halide free
MM74HCT244 SOIC-20W 751D-05 3 260 Tape and Reel 1000 $0.3589
Market Leadtime (weeks) : Contact Factory
ON Semiconductor   (2020-09-02 00:00) : 14,700
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Avnet   (2020-08-19 00:00) : >1K
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Type
Channels
VCC Min (V)
VCC Max (V)
tpd Max (ns)
IO Max (mA)
Package Type
MM74HCT244MTC  
 $0.2572 
Pb
 Active   
Buffer
8
4.5
5.5
14
7.2
TSSOP-20
MM74HCT244MTCX  
 $0.234 
Pb
 Active   
Buffer
8
4.5
5.5
14
7.2
TSSOP-20
MM74HCT244WM  
 $0.3735 
Pb
H
 Active   
Buffer
8
4.5
5.5
14
7.2
SOIC-20W
MM74HCT244WMX  
 $0.3589 
Pb
H
 Active   
Buffer
8
4.5
5.5
14
7.2
SOIC-20W
Case Outlines
948AQ    751D-05    9.48   
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