TC74ACT244FT datasheet(1/8 Pages) TOSHIBA

Il numero della parte	TC74ACT244FT

Spiegazioni elettronici	CMOS Digital Integrated Circuit Silicon Monolithic Octal Bus Buffer

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Produttore elettronici	TOSHIBA [Toshiba Semiconductor]

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TC74ACT240,244P/F/FT

2007-10-01

1

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74ACT240P,TC74ACT240F, TC74ACT240FT

TC74ACT244P,TC74ACT244F, TC74ACT244FT

Octal Bus Buffer

TC74ACT240P/F/FT

Inverted, 3-State

Outputs

TC74ACT244P/F/FT

Non-Inverted, 3-State

Outputs

The TC74ACT240 and 244 are advanced high speed CMOS

OCTAL BUS BUFFERs fabricated with silicon gate and

double-layer metal wiring C2MOS technology.

They achieve the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

The 74ACT240 is an inverting 3-state buffer while the

74ACT244 is non-inverting. Both devices have two active-low

output enables.

These devices are designed to be used in such applications as

3-state memory address drivers.

All inputs are equipped with protection circuits against static

discharge or transient excess voltage.

Features

• High speed: tpd = 5.0 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 74F240/244

TC74ACT240P, TC74ACT244P

TC74ACT240F, TC74ACT244F

TC74ACT240FT, TC74ACT244FT

Weight

DIP20-P-300-2.54A

: 1.30 g (typ.)

SOP20-P-300-1.27A

: 0.22 g (typ.)

TSSOP20-P-0044-0.65A

: 0.08 g (typ.)

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