74ALVC164245

General description

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

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

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) enables data 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 nB ports 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 flow from the non-zero supply towards the zero supply. The A-outputs must be set 3-state and the voltage on the A-bus must be smaller than V_diode (typical 0.7 V). V_CCB ≥ V_CCA (except in suspend mode).

Features

• 5 V tolerant inputs/outputs for interfacing with 5 V logic
• Wide supply voltage range:
• 3 V port (V_CCA ): 1.5 V to 3.6 V
• 5 V port (V_CCB ): 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 V_CCA or V_CCB = 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 Cel to +85 Cel and -40 Cel to +125 Cel.

Products/packages

Pricing/ordering/availability

Block diagrams/pinning

Technical documents

Application Notes

AN240; Interfacing 3 Volt and 5 Volt Applications (15-Sep-95)

Parametrics/similar products

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74ALVC164245 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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