TC74HC244AF datasheet(1/8 Pages) TOSHIBA

No de pièce	TC74HC244AF

Description	Octal Bus Buffer

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Fabricant	TOSHIBA [Toshiba Semiconductor]

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TC74HC240,244AP/AF,241AP/AF

2007-10-01

1

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74HC240AP,TC74HC240AF,TC74HC241AP

TC74HC241AF,TC74HC244AP,TC74HC244AF

Octal Bus Buffer

TC74HC240AP/AF

Inverted, 3-State

Outputs

TC74HC241AP/AF

Non-Inverted,

3-State Outputs

TC74HC244AP/AF

Non-Inverted,

3-State Outputs

The TC74HC240A, 241A and 244A are high speed CMOS

OCTAL BUS BUFFERs fabricated with silicon gate C2MOS

technology.

They achieve the high speed operation similar to equivalent

LSTTL while maintaining the CMOS low power dissipation.

The 74HC240A is an inverting 3-state buffer having two

active-low output enables. The TC74HC241A and TC74HC244A

are non-inverting 3-state buffers that differ only in that the 241A

has one active-high and one active-low output enable, and the

244A has two active-low output enables.

These devices are designed to be used with 3-state memory

address drivers, etc.

All inputs are equipped with protection circuits against static

discharge or transient excess voltage.

Features

• High speed: tpd = 10 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)

• Output drive capability: 15 LSTTL loads

• Symmetrical output impedance: |IOH| = IOL = 6 mA (min)

• Balanced propagation delays: tpLH ∼− tpHL

• Wide operating voltage range: VCC (opr) = 2~6 V

• Pin and function compatible with 74LS240/241/244

TC74HC240AP, TC74HC241AP,

TC74HC244AP

TC74HC240AF, TC74HC241AF, TC74HC244AF

Weight

DIP20-P-300-2.54A

: 1.30 g (typ.)

SOP20-P-300-1.27A

: 0.22 g (typ.)

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Fabricant	No de pièce	Fiches technique	Description
Toshiba Semiconductor	TC74HC244AFI	290Kb / 7P	TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
Toshiba Semiconductor	TC74HC244AFW	290Kb / 7P	TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC

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Description similaire - TC74HC244AF

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Toshiba Semiconductor	TC74VHCT240AF	221Kb / 9P	Octal Bus Buffer
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Motorola, Inc	MC74VHC244	165Kb / 6P	Octal Bus Buffer
Motorola, Inc	MC74VHC540	168Kb / 6P	Octal Bus Buffer
Toshiba Semiconductor	TC74ACT240P	273Kb / 6P	OCTAL BUS BUFFER
ON Semiconductor	MC74VHC541	106Kb / 6P	Octal Bus Buffer April, 2006 ??Rev. 5
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