74VHCT240AFT datasheet(1/9 Pages) TOSHIBA

部品番号	74VHCT240AFT

部品情報	CMOS Digital Integrated Circuits Silicon Monolithic

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メーカー	TOSHIBA [Toshiba Semiconductor]

ホームページ	http://www.semicon.toshiba.co.jp/eng

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74VHCT240AFT,74VHCT244AFT

1

CMOS Digital Integrated Circuits Silicon Monolithic

74VHCT240AFT,74VHCT244AFT

Start of commercial production

2013-01

1.

1. Functional Description

Functional Description

•

Octal Bus Buffer

74VHCT240AFT: INVERTED, 3-STATE OUTPUTS

74VHCT244AFT: NON-INVERTED, 3-STATE OUTPUTS

2.

2. General

General

The 74VHCT240AFT and 74VHCT244AFT 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 74VHCT240AFT is an inverting 3-state buffer having two active-low output enables. The 74VHCT244AFT

is a non-inverting 3-state buffer, and has two active-low output enables.

These devices are designed to be used with 3-state memory address drivers, etc.

The input voltage are compatible with TTL output voltage.

These devices may be used as a level converter for interfacing 3.3 V to 5 V system.

Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins

without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and

input/output voltages such as battery back up, hot board insertion, etc.

Note: Output in off-state

3.

3. Features

Features

(1)

AEC-Q100 (Rev. H) (Note 1)

(2)

Wide operating temperature range: Topr = -40 to 125 

(3)

High speed: Propagation delay time = 6.1 ns (typ.) at VCC = 5.0 V

(4)

Quiescent supply current: ICC = 4.0 µA (max) at Ta = 25 

(5)

Compatible with TTL input: VIL = 0.8 V (max)

VIH = 2.0 V (min)

(6)

Power down protection is provided on all inputs and outputs.

(7)

Balanced propagation delays: tPLH

≈ tPHL

(8)

Low noise: VOLP = 1.0 V (max)

(9)

Pin and function compatible with the 74 series

(ACT/HCT/AHCT etc.) 240/244 type.

Note 1: This device is compliant with the reliability requirements of AEC-Q100. For details, contact your Toshiba sales

representative.

2017-02-23

Rev.4.0

同様の部品番号 - 74VHCT240AFT

メーカー	部品番号	データシート	部品情報
STMicroelectronics	74VHCT240A	63Kb / 8P	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED Aug-1999
Fairchild Semiconductor	74VHCT240A	85Kb / 7P	Octal Buffer/Line Driver with 3-STATE Outputs
STMicroelectronics	74VHCT240A	244Kb / 12P	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) 16-Dec-2004
ON Semiconductor	74VHCT240A	236Kb / 11P	Octal Buffer/Line Driver May 2007 Rev. 1.3
STMicroelectronics	74VHCT240AM	63Kb / 8P	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS INVERTED Aug-1999

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