SN64BCT25245 Octal 25-Ohm Bus Transceivers | TI.com

SN64BCT25245
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Octal 25-Ohm Bus Transceivers

Octal 25-Ohm Bus Transceivers - SN64BCT25245
Datasheet
 

Description

The SN64BCT25245 is a 25- octal bus transceiver designed for asynchronous communication between data buses. It improves both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented transceivers.

The device allows data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the logic level at the direction-control (DIR) input. The output-enable () input can disable the device so that both buses are effectively isolated.

This transceiver is capable of sinking 188-mA IOL, which facilitates switching 25- transmission lines on the incident wave. The distributed VCC and GND pins minimize switching noise for more reliable system operation.

The outputs are in a high-impedance state during power up and power down while the supply voltage is less than approximately 3 V.

The SN64BCT25245 is characterized for operation from -40°C to 85°C and 0°C to 70°C.

 

 

Features

  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • Designed to Facilitate Incident-Wave Switching for Line Impedances of 25 or Greater
  • Distributed VCC and GND Pins Minimize Noise Generated by the Simultaneous Switching of Outputs
  • Data Flow-Through Pinout (All Inputs on Opposite Side From Outputs)
  • High-Impedance State During Power Up and Power Down
  • ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015
  • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic 300-mil DIPs (NT)

Parametrics

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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Bits (#) Voltage (Nom) (V) F @ nom voltage (Max) (MHz) ICC @ nom voltage (Max) (mA) tpd @ nom Voltage (Max) (ns) IOL (Max) (mA) IOH (Max) (mA) Rating Operating temperature range (C)
SN64BCT25245 Order now BCT     4.5     5.5     8     5     70     0.125     7.3     24     -3     Catalog     -40 to 85