TC74VHC540FT datasheet(1/10 Pages) TOSHIBA

Il numero della parte	TC74VHC540FT

Spiegazioni elettronici	Octal Bus Buffer

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Produttore elettronici	TOSHIBA [Toshiba Semiconductor]

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TC74VHC540,541F/FT/FK

2007-10-01

1

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74VHC540F,TC74VHC540FT,TC74VHC540FK

TC74VHC541F,TC74VHC541FT,TC74VHC541FK

Octal Bus Buffer

TC74VHC540F/FT/FK

Inverted, 3-State Outputs

TC74VHC541F/FT/FK

Non-Inverted, 3-State Outputs

The TC74VHC540/TC74VHC541 are advanced high speed

CMOS OCTAL BUS BUFFERs fabricated with silicon gate

C2MOS technology.

They achieve the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

The TC74VHC540 is an inverting type, and the TC74VHC541

is a non-inverting type.

When either

1

G

or

2

G

are high, the terminal outputs are in

the high-impedance state.

An input protection circuit ensures that 0 to 5.5 V can be

applied to the input pins without regard to the supply voltage.

This device can be used to interface 5 V to 3 V systems and two

supply systems such as battery back up. This circuit prevents

device destruction due to mismatched supply and input voltages.

Features

• High speed: tpd = 3.7 ns (typ.) at VCC = 5 V

• Low power dissipation: ICC = 4 μA (max) at Ta = 25°C

• High noise immunity: VNIH = VNIL = 28% VCC (min)

• Power down protection is provided on all inputs.

• Balanced propagation delays: tpLH ∼− tpHL

• Wide operating voltage range: VCC (opr) = 2 V to 5.5 V

• Low noise: VOLP = 1.2 V (max)

• Pin and function compatible with 74ALS540/541

TC74VHC540F, TC74VHC541F

TC74VHC540FT, TC74VHC541FT

TC74VHC540FK, TC74VHC541FK

Weight

SOP20-P-300-1.27A

: 0.22 g (typ.)

TSSOP20-P-0044-0.65A

: 0.08 g (typ.)

VSSOP20-P-0030-0.50

: 0.03 g (typ.)

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