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74VCX164245 Datasheet Low Voltage 16-bit Dual Supply Translating Transceiver

Manufacturer: Fairchild (now onsemi)

Overview: 74VCX164245 Low Voltage 16-Bit Dual Supply Translating Transceiver with 3-STATE Outputs March 2000 Revised March 2000 74VCX164245 Low Voltage 16-Bit Dual Supply Translating Transceiver with 3-STATE.

General Description

The VCX164245 is a dual supply, 16-bit translating transceiver that is designed for 2 way asynchronous communication between busses at different supply voltages by providing true signal translation.

The supply rails consist of VCCB, which is the higher potential rail operating at 2.3 to 3.6V and VCCA, which is the lower potential rail operating at 1.65 to 2.7V.

(VCCA must be less than or equal to VCCB for proper device operation.) This dual supply design allows for translation from 1.8V to 2.5V busses to busses at a higher potential, up to 3.3V.

Key Features

  • s Bidirectional interface between busses ranging from 1.65V to 3.6V s Supports Live Insertion and Withdrawal (Note 1) s Static Drive (IOH/IOL) ±24 mA @ 3.0V VCC ±18 mA @ 2.3V VCC ±6 mA @ 1.65V VCC s Uses patented noise/EMI reduction circuitry s Functionally compatible with 74 series 16245 The Transmit/Receive (T/R) input determines the direction s Latchup performance exceeds 300 mA of data flow. Transmit (active-HIGH) enables data from A Ports to B Ports; Receive (active-LOW) enables data from.

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