Overview

The LC74FCT164245 and LC74FCT164245T 16-bit 3.3- to-5 V translators are fabricated in an advanced two-metal-layer CMOS technology. These high-speed low power transceivers are designed to be used as interfaces between 3.3 V and 5 V busses in 3.3/5 V dual power supply systems. The use of these products allows system designers to interface TTL-compatible 3.3 V components to 5 V components. The directionality and output enable control in these products is designed to allow them to be used as either two independent 8-bit transceivers or as a single 16-bit transceiver.

Features

• 0.8 µm CMOS technology

• 3.3 V bus to 5 V bus interface

• Bidirectional data transfer

• Control inputs can be driven from either 3.3 V or 5 V devices.

• Inter-rail output amplitude for both 3.3 V and 5 V ports

• ESD tolerance > 2000 V; MIL-STD-883 (when tested with the 3015 method)

• ESD tolerance > 200 V; For a machine model with C = 200 pF and R = 0

• 20 mil center SQFP

• Expanded temperature range: –40 to +85°C

• VCC1 = 5 V ± 10, VCC2 = 3.3 V ± 0.3 V

LC74FCT164245T Features

• High drive output levels (IOH: –32 mA, IOL: 40 mA)

LC74FCT164245 Features

• Balanced output drive: ±24 mA

• No external resistors are required since series terminated outputs are used.