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SN74ABTE16246 Series

11-Bit Incident-Wave Switching Bus Transceivers With 3-State and Open-Collector Outputs

Manufacturer: Texas Instruments

Catalog

11-Bit Incident-Wave Switching Bus Transceivers With 3-State and Open-Collector Outputs

Key Features

Member of the Texas Instruments Widebus™ FamilySupports the VME64 ETL SpecificationReduced TTL-Compatible Input Threshold RangeHigh-Drive Outputs (IOH= –60 mA, IOL= 90 mA) Support Equivalent 25-Incident-Wave SwitchingVCCBIAS Pin Minimizes Signal Distortion During Live InsertionInternal Pullup Resistor on OE\ Keeps Outputs in High-Impedance State During Power Up or Power DownDistributed VCCand GND Pins Minimize High-Speed Switching NoiseEquivalent 25-Series Damping Resistor on B PortBus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown ResistorsWidebus is a trademark of Texas Instruments.Member of the Texas Instruments Widebus™ FamilySupports the VME64 ETL SpecificationReduced TTL-Compatible Input Threshold RangeHigh-Drive Outputs (IOH= –60 mA, IOL= 90 mA) Support Equivalent 25-Incident-Wave SwitchingVCCBIAS Pin Minimizes Signal Distortion During Live InsertionInternal Pullup Resistor on OE\ Keeps Outputs in High-Impedance State During Power Up or Power DownDistributed VCCand GND Pins Minimize High-Speed Switching NoiseEquivalent 25-Series Damping Resistor on B PortBus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown ResistorsWidebus is a trademark of Texas Instruments.

Description

AI
The SN74ABTE16246 is an 11-bit noninverting transceiver designed for asynchronous two-way communication between buses. This device has open-collector and 3-state outputs. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE)\ input can be used to disable the device so that the buses are effectively isolated. When OE\ is low, the device is active. The B port has an equivalent 25-series output resistor to reduce ringing. Active bus-hold inputs on the B port hold unused or floating inputs at a valid logic level. The A port provides for the precharging of the outputs via VCCBIAS, which establishes a voltage between 1.3 V and 1.7 V when VCCis not connected. Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. The SN74ABTE16246 is an 11-bit noninverting transceiver designed for asynchronous two-way communication between buses. This device has open-collector and 3-state outputs. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE)\ input can be used to disable the device so that the buses are effectively isolated. When OE\ is low, the device is active. The B port has an equivalent 25-series output resistor to reduce ringing. Active bus-hold inputs on the B port hold unused or floating inputs at a valid logic level. The A port provides for the precharging of the outputs via VCCBIAS, which establishes a voltage between 1.3 V and 1.7 V when VCCis not connected. Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.