TC74ACT139F(2012) 查看數據表（PDF） - Toshiba

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TC74ACT139F
(Rev.:2012)

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

Toshiba 

TC74ACT139P/F/FT

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74ACT139P,TC74ACT139F,TC74ACT139FT

Dual 2-to-4 Line Decoder

The TC74ACT139 is an advanced high speed CMOS 2 to 4

LINE DECODER fabricated with silicon gate and double-layer

metal wiring C2MOS technology.

It achieves the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

This device may be used as a level converter for interfacing

TTL or NMOS to High Speed CMOS. The inputs are compatible

with TTL, NMOS and CMOS output voltage levels.

The active low enable input can be used for gating or it can be

used as a data input for demultiplexing applications.

When the enable input is held “H”, all four outputs are fixed at

a high logic level independent of the other inputs.

All inputs are equipped with protection circuits against static

discharge or transient excess voltage.

Features

• High speed: tpd = 5.5 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 74F139

TC74ACT139P

TC74ACT139F

TC74ACT139FT

Weight

DIP16-P-300-2.54A

SOP16-P-300-1.27A

TSSOP16-P-0044-0.65A

: 1.00 g (typ.)

: 0.18 g (typ.)

: 0.06 g (typ.)

1

2012-02-29

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