74VHC540FT datasheet(1/8 Pages) TOSHIBA

Il numero della parte	74VHC540FT

Spiegazioni elettronici	CMOS Digital Integrated Circuits Silicon Monolithic

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Produttore elettronici	TOSHIBA [Toshiba Semiconductor]

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74VHC540FT,74VHC541FT

1

CMOS Digital Integrated Circuits Silicon Monolithic

74VHC540FT,74VHC541FT

1.

1. Functional Description

Functional Description

•

Octal Bus Buffer

74VHC540FT: INVERTED, 3-STATE OUTPUTS

74VHC541FT: NON-INVERTED, 3-STATE OUTPUTS

2.

2. General

General

The 74VHC540FT/74VHC541FT 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 74VHC540FT is an inverting type, and the 74VHC541FT is a non-inverting type.

When either G1 or G2 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

3.

3. Features

Features

(1)

High speed: Propagation delay time = 3.7 ns (typ.) at VCC = 5 V

(2)

Low power dissipation: ICC = 4 µA (max) at Ta = 25 

(3)

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

(4)

Power down protection is provided on all inputs.

(5)

Balanced propagation delays: tPLH

≈ tPHL

(6)

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

(7)

Low noise: VOLP = 1.0 V (max)

(8)

Pin and function compatible with 74 series (74AC/HC/AHC/LV etc.) 540 or 541 type.

4.

4. Packaging

Packaging

TSSOP20B

2013-02-28

Rev.2.0

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Produttore elettronici	Il numero della parte	Scheda tecnica	Spiegazioni elettronici
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ON Semiconductor	74VHC541	203Kb / 9P	Octal Buffer/Line Driver Revised May 2005

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