74ALS620A datasheet(6/11 Pages) PHILIPS

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Philips Semiconductors

Product specification

74ALS620A/74ALS620A-1

74ALS623A/74ALS623A-1

Transceivers

1991 Feb 08

DC ELECTRICAL CHARACTERISTICS

(Over recommended operating free-air temperature range unless otherwise noted.)

SYMBOL

PARAMETER

TEST CONDITIONS1

LIMITS

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS1

MIN

TYP2

MAX

UNIT

VCC = ±10%, VIL = MAX,

IOH = –0.4mA VCC – 2

VOH

High-level output voltage

VIH = MIN

IOH = –3mA

2.4

3.2

VOH

High level out ut voltage

VCC = MIN, VIL = MAX,

VIH = MIN

IOH = –15mA

2.0

All versions

VCC = MIN, VIL = MAX,

IOL = 12mA

0.25

0.40

VOL

Low-level output

voltage

All versions

VIH = MIN

IOL = 24mA

0.35

0.50

VOL

voltage

–1 versions

VCC = 4.75V, VIL = MAX,

VIH = MIN

IOL = 48mA

0.35

0.50

VIK

Input clamp voltage

VCC = MIN, II = IIK

–0.73

–1.5

Input current at

maximum input

OEBA or OEAB

VCC = MAX, VI = 7.0V

0.1

maximum in ut

voltage

A or B ports

VCC = MAX, VI = 5.5V

0.1

IIH

High-level input current3

VCC = MAX, VI = 2.7V

µA

IIL

Low-level input current3

VCC = MAX, VI = 0.4V

–0.1

Output current4

VCC = MAX, VO = 2.25V

–30

–112

ICCH

74ALS620A

74ALS620A-1

ICCL

VCC = MAX

ICC

Supply current (total)

74ALS620A 1

ICCZ

ICC

Supply current (total)

ICCH

74ALS623A

74ALS623A-1

ICCL

VCC = MAX

74ALS623A 1

ICCZ

NOTES:

1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.

2. All typical values are at VCC = 5V, Tamb = 25°C.

3. For I/O ports, the parameter IIH and IIL include the off-state current.

4. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.

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