Part # TC74LCX164245FT datasheet

Part Manufacturer: Toshiba


Part Description: 16-Bit Dual Supply Bus Transceiver

Part Details:

TC74LCX164245FT TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74LCX164245FT 16-Bit Dual Supply Bus Transceiver The TC74LCX164245FT is a dual supply, advanced high-speed CMOS 16-bit dual supply voltage interface bus transceiver fabricated with silicon gate CMOS technology. Designed for use as an interface between a 5-V bus and a 3.3-V or 2.5-V bus in mixed 5-V/3.3-V or 2.5-V supply systems, it achieves high-speed operation while maintaining the CMOS low power dissipation. It is intended for 2 way asynchronous communication between data busses. The direction of data transmission is determined by the level of the DIR input. The enable input (OE) can be used to disable the device so that the buses are effectively isolated. The B-port interfaces with the 5-V bus, the A-port with the 3.3-V or 2.5-V bus. Weight: 0.25 g (typ.) All inputs are equipped with protection circuits against static discharge or transient excess voltage. Features (Note) · Bidirectional interface between 5-V and 3.3-V or 2.5-V buses · High-speed: tpd = 5.8 ns (max) (VCCB = 5.0 ± 0.5 V/VCCA = 3.3 ± 0.3 V, Ta = -40 to 85°C) · Low power dissipation: ICC = 80 A (max) (Ta = -40 to 85°C) · Symmetrical ouput impedance: IOUTA = ±24 mA (min) IOUTB = ±24 mA (min) (VCCA = 3.0 V/VCCB = 4.5 V) · Power-down protection provided on all inputs and outputs · Allows A port and VCCA to float simultaneously when OE is "H". · Latch-up performance: ±500 mA · Package: TSSOP (thin shrink small outline package) Note: Do not apply a signal to any bus pins when it is in the output mode. Damage may result. All floating (high impedance) bus pins must have their input fixed by means of pull-up or pull-down resistors. 1 2007-05-11 TC74LCX164245FT Pin Assignment (top view) IEC Logic Symbol 48 OE 1 G3 1DIR 1 48 OE 1 1 1DIR 3 EN1 (BA) 1B1 2 47 1A1 3 EN2 (AB) 25 OE

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TC74LCX164245FT.pdf Datasheet