Product Summary

The TC74VCX162244FT is a high-performance CMOS 16-bit bus buffer. Designed for use in 1.8-V, 2.5-V or 3.3-V systems, it achieves high-speed operation while maintaining the CMOS low power dissipation. It is also designed with overvoltage tolerant inputs and outputs up to 3.6 V. This device is non-inverting 3-state buffer having four active-low output enables. It can be used as four 4-bit buffers two 8-bit buffers or one 16-bit buffer. When the OE input is high, the outputs are in a high-impedance state. The TC74VCX162244FT is designed to be used with 3-state memory address drivers, etc. The 26-Ω series resistor helps reducing output overshoot and undershoot without external resistor.

Parametrics

TC74VCX162244FT absolute maximum ratings: (1)Power supply voltage, VCC: -0.5 to 4.6 V; (2)DC input voltage, VIN: -0.5 to 4.6 V; -0.5 to 4.6 (Note 2); (3)DC output voltage, VOUT: -0.5 to VCC + 0.5(Note 3)V; (4)Input diode current, IIK: -50 mA; (5)Output diode current, IOK: ±50 (Note 4) mA; (6)DC output current, IOUT ±50 mA; (7)Power dissipation, PD: 400 mW; (8)DC VCC/ground current per supply pin, ICC/IGND: ±100 mA; (9)Storage temperature, Tstg: -65 to 150℃.

Features

TC74VCX162244FT features: (1)26-Ω series resistors on outputs.; (2)Low-voltage operation: VCC = 1.8 to 3.6 V; (3)High- speed operation: tpd = 3.3 ns (max) (VCC = 3.0 to 3.6 V); tpd = 3.8 ns (max) (VCC = 2.3 to 2.7 V); tpd = 5.7 ns (max) (VCC = 1.8 V); (4)Output current: IOH/IOL = ±12 mA (min) (VCC = 3.0 V); IOH/IOL = ±8 mA (min) (VCC = 2.3 V); IOH/IOL = ±4 mA (min) (VCC = 1.8 V); (5)Latch-up performance: .300 mA; (6)ESD performance: Machine model ≥ ±200 V; Human body model ≥ ±2000 V; (7)Package: TSSOP; (8)3.6-V tolerant function and power-down protection provided on all inputs and outputs.

Diagrams

TC74VCX162244FT block diagram

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