Product Details

The 74ALVC164245 is a high-performance, low-power, low-voltage, Si-gate CMOSdevice, superior to most advanced CMOS compatible TTL families.

The 74ALVC164245 is a 16-bit (dual octal) dual supply translating transceiver featuringnon-inverting 3-state bus compatible outputs in both send and receive directions. It isdesigned to interface between a 3 V and 5 V bus in a mixed 3 V and 5 V supplyenvironment.

This device can be used as two 8-bit transceivers or one 16-bit transceiver.

The direction control inputs (1DIR and 2DIR) determine the direction of the data flow.nDIR (active HIGH) enables data from nA ports to nB ports. nDIR (active LOW) enablesdata from nB ports to nA ports. The output enable inputs (1OE and 2OE), when HIGH,disable both nA and nB ports by placing them in a high-impedance OFF-state. The nBports interface with the 5 V bus. The nA ports interface with the 3 V bus.

In suspend mode, when one of the supply voltages is zero, there will be no current flowfrom the non-zero supply towards the zero supply. The A-outputs must be set 3-state andthe voltage on the A-bus must be smaller than Vdiode (typical 0.7 V). VCCB≥ VCCA (exceptin suspend mode).

Product Features

• 5 V tolerant inputs/outputs for interfacing with 5 V logic

• Wide supply voltage range:

• 3 V port (VCCA): 1.5 V to 3.6 V

• 5 V port (VCCB): 1.5 V to 5.5 V.

• CMOS low power consumption

• Direct interface with TTL levels

• Control inputs voltage range from 2.7 V to 5.5 V

• Inputs accept voltages up to 5.5 V

• High-impedance outputs when VCCA or VCCB = 0 V

• Complies with JEDEC standard JESD8-B/JESD36

• ESD protection:

• HBM EIA/JESD22-A114-B exceeds 2000 V

• MM EIA/JESD22-A115-A exceeds 200 V.

• Specified from−40°C to +85°C and−40°C to +125°C.

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