74ABT241D datasheet(5/10 Pages) PHILIPS

Il numero della parte	74ABT241D

Spiegazioni elettronici	Octal buffer/line driver 3-State

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Produttore elettronici	PHILIPS [NXP Semiconductors]

Homepage	http://www.nxp.com

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Philips Semiconductors

Product specification

74ABT241

Octal buffer/line driver (3-State)

1998 Jan 16

5

AC CHARACTERISTICS

GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω

LIMITS

SYMBOL

PARAMETER

WAVEFORM

Tamb = +25°C

VCC = +5.0V

Tamb = –40°C to +85°C

VCC = +5.0V ±0.5V

UNIT

Min

Typ

Max

Min

Max

tPLH

tPHL

Propagation delay

An to Yn

1

1.0

2.6

2.7

4.1

4.2

1.0

4.6

ns

tPZH

tPZL

Output enable time

to High and Low level

2

1.1

1.3

3.2

4.3

6.3

5.8

1.1

1.3

6.8

ns

tPHZ

tPLZ

Output disable time

from High and Low level

2

1.6

1.0

3.6

2.6

6.1

5.4

1.6

1.0

7.1

5.9

ns

AC WAVEFORMS

VM = 1.5V, VIN = GND to 3.0V

INPUT

1.5V

OUTPUT

tPLH

tPHL

SA00028

1.5V

3 V

0 V

VOH

VOL

Waveform 1. Waveforms Showing the Input (An)

to Output (Yn) Propagation Delays

OE INPUT

VM

tPZH

tPHZ

Yn OUTPUT

VOH

VM

Yn OUTPUT

VOL

tPZL

tPLZ

3.5V

0V

VOL + 0.3V

VOH – 0.3V

SA00041

OE INPUT

Waveform 2. Waveforms Showing the 3–State Output

Enable and Disable Times

TEST CIRCUIT AND WAVEFORMS

CL = 50 pF

500

Ω

Load Circuit

DEFINITIONS

CL =

Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

TEST

S1

tpd

open

tPLZ/tPZL

7 V

tPHZ/tPZH

open

SA00012

500

Ω

From Output

Under Test

S1

7 V

Open

GND

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