MM74HCT245 − Octal 3-STATE Transceiver

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The MM74HCT245 3-STATE bi-directional buffer utilizes advanced silicon-gate CMOS technology and is intended for two-way asynchronous communication between data buses. It has high drive current outputs which enable high speed operation even when driving large bus capacitances. This circuit possesses the low power consumption of CMOS circuitry, yet has speeds comparable to low power Schottky TTL circuits.     This device is TTL input compatible and can drive up to 15 LS-TTL loads, and all inputs are protected from damage due to static discharge by diodes to VCC and ground.     The MM74HCT245 has one active low enable input (G#), and a direction control (DIR). When the DIR input is HIGH, data flows from the A inputs to the B outputs. When DIR is LOW, data flows from B to A.     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.

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Product Status/Pricing/Packaging

Product Product & Eco Status *Pricing Packaging & Packing Info **Package Marking Convention Qualification Support Compliance Certificates
0 MM74HCT245SJ Full Production
ROHS Compliant
$0.3176  Details
1.8 x 5.3 x 12.6mm
RAIL

Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:HCT245SJ
FIT :  0.9  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  
0 MM74HCT245SJX Full Production
ROHS Compliant
$0.2682  Details
1.8 x 5.3 x 12.6mm
TAPE REEL

Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:HCT245SJ
FIT :  0.9  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  
0 MM74HCT245MTC Full Production
Green as of Aug 2011
$0.1798  Details
1.2 x 4.4 x 6.5mm
RAIL

Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:HCT245
FIT :  0.9  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  
0 MM74HCT245MTCX Full Production
Green as of Aug 2011
$0.1798  Details
1.2 x 4.4 x 6.5mm
TAPE REEL

Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:HCT245
FIT :  0.9  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  
0 MM74HCT245WM Full Production
ROHS Compliant
$0.2654  Details
2.337 x 7.468 x 15.342mm
RAIL

Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:MM74HCT
Line 3:245WM
FIT :  0.9  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  
0 MM74HCT245WMX Full Production
ROHS Compliant
$0.2654  Details
2.337 x 7.468 x 15.342mm
TAPE REEL

Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:MM74HCT
Line 3:245WM
FIT :  0.9  
Moisture Sensitivity Level (MSL) :  1  
Max Reflow Temp :  260  
Show discontinued variants ...

Features

  • TTL input compatible
  • 3-STATE outputs for connection to system busses
  • High output drive current: 6 mA (min)
  • High speed: 16 ns typical propagation delay
  • Low power: 80 µA (74HCT Series)

Applications

  • Server & Mainframe
  • Workstation
  • Desktop PC
  • Notebook PC
  • PC Server
  • Media Tablets
  • Storage & Peripherals
  • Printer
  • Graphic Card
  • LCD Monitor
  • CRT/RPTV
  • Other Data Processing
  • Routers & LAN Switches
  • SAN
  • Long-haul & Metro
  • Broadband Access
  • Broadband Modem
  • Enterprise Voice Network
  • Central Office
  • Broadcast & Studio
  • Other Wired Communications
  • Mobile Handsets
  • Wireless LAN Card & Broadband Access
  • Wireless LAN Access Point/Router
  • Mobile Comm Infrastructure
  • Other Wireless Communications
  • PMP/MP3 Players
  • Home Audio System Components
  • CRT/RPTV
  • LCD TV
  • PDP TV
  • Camcorder
  • DVD
  • Set Top Boxes
  • DSC
  • Video Game Console
  • E-book Reader
  • Consumer Appliances
  • Other Audio & Video
  • Other Consumer Electronics
  • Medical Electronics/Devices
  • Automation
  • Test and Measurement
  • Building & Home Control
  • Other Industrial

Application Notes

Models

For additional information please visit the Models page.

Package Condition Temperature Range Vcc Range Software Version Revision Date
IBIS
SO 20L WB Electrical;Fast;Slow;Thermal;Typical -40°C to 85°C 4.5V to 5.5V 2.1 Feb 28, 2012
TSSOP 20L Electrical;Fast;Slow;Thermal;Typical -40°C to 85°C 4.5V to 5.5V 2.1 Feb 28, 2012


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