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Búferes, controladores y transceptores
Transceptores de uso general

SN54ALS645A

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Transceptores de bus octal con salidas de 3 estados

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Hoja de datos

SN54ALS645A

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Detalles del producto

Number of channels 8 IOL (max) (mA) 12 IOH (max) (mA) -12 Input type TTL Output type TTL Features Balanced outputs, High speed (tpd 10-50ns), Over-voltage tolerant inputs Technology family ALS Rating Military Operating temperature range (°C) -55 to 125
Number of channels 8 IOL (max) (mA) 12 IOH (max) (mA) -12 Input type TTL Output type TTL Features Balanced outputs, High speed (tpd 10-50ns), Over-voltage tolerant inputs Technology family ALS Rating Military Operating temperature range (°C) -55 to 125
CDIP (J) 20 167.464 mm² (— mm × — mm) CFP (W) 20 90.5828 mm² (— mm × — mm)
  • Bidirectional Bus Transceivers in High-Density 20-Pin Packages
  • True Logic
  • 3-State Outputs
  • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

 
  • Bidirectional Bus Transceivers in High-Density 20-Pin Packages
  • True Logic
  • 3-State Outputs
  • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

 

These octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the level at the direction-control (DIR) input. The output-enable input can be used to disable the device so that the buses are effectively isolated.

The -1 version of the SN74ALS645A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA. There is no -1 version of the SN54ALS645A.

The SN54ALS645A and SN54AS645 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS645A and SN74AS645 are characterized for operation from 0°C to 70°C.

 

 

These octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the level at the direction-control (DIR) input. The output-enable input can be used to disable the device so that the buses are effectively isolated.

The -1 version of the SN74ALS645A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA. There is no -1 version of the SN54ALS645A.

The SN54ALS645A and SN54AS645 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS645A and SN74AS645 are characterized for operation from 0°C to 70°C.

 

 
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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos Octal Bus Transceivers With 3-State Outputs datasheet 1/01/1995
* SMD SN54ALS645A SMD 8403301RA 21/06/2016

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