TC74ACT138F中文資料東芝數(shù)據(jù)手冊PDF規(guī)格書

3-to-8 Line Decoder

The TC74ACT138 is an advanced high speed CMOS 3-to-8 LINE DECODER fabricated with silicon gate and double-layer metal wiring C2MOS technology.

Features

? High speed: tpd = 6.0 ns (typ.) at VCC = 5 V

? Low power dissipation: ICC = 8 μA (max) at Ta = 25°C

? Compatible with TTL outputs: VIL = 0.8 V (max)

VIH = 2.0 V (min)

? Symmetrical output impedance: |IOH| = IOL = 24 mA (min)

Capability of driving 50 Ω

transmission lines.

? Balanced propagation delays: tpLH ～ ? tpHL

? Pin and function compatible with 74F138