74ALS241ADB 데이터 시트보기 (PDF) - Philips Electronics

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74ALS241ADB

Octal buffer (3–state)

Philips Electronics 

Philips Semiconductors

Octal buffer (3-State)

Product specification

74ALS241A/74ALS241A-1

LOGIC DIAGRAM

2

Ia0

4

Ia1

6

Ia2

Ia3 8

OEa 1

VCC = Pin 20

GND = Pin 10

18

Ya0

16

Ya1

14

Ya2

12 Ya3

17

Ib0

15

Ib1

13

Ib2

Ib3 11

OEb 10

3

Yb0

5

Yb1

7

Yb2

9 Yb3

FUNCTION TABLE

INPUTS

OEa

Ia

OEb

Ib

L

L

H

L

L

H

H

H

H

X

L

X

H = High voltage level

L = Low voltage level

X = Don’t care

Z = High impedance “off” state

OUTPUTS

Ya

Yb

L

L

H

H

Z

Z

SF00327

ABSOLUTE MAXIMUM RATINGS

(Operation beyond the limit set forth in this table may impair the useful life of the device.

Unless otherwise noted these limits are over the operating free air temperature range.)

SYMBOL

PARAMETER

VCC

VIN

IIN

VOUT

IOUT

Supply voltage

Input voltage

Input current

Voltage applied to output in High output state

Current applied to output in Low output state

All versions

-1 version

Tamb

Tstg

Operating free-air temperature range

Storage temperature range

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

VCC

Supply voltage

VIH

High-level input voltage

VIL

Low-level input voltage

IIK

Input clamp current

IOH

High-level output current

IOL

Low-level output current

Tamb

Operating free-air temperature range

NOTE:

1. The 48mA limit applies only under the condition of VCC = 5.0V ±5%.

All versions

-1 version

RATING

–0.5 to +7.0

–0.5 to +7.0

–30 to +5

–0.5 to VCC

48

96

0 to +70

–65 to +150

UNIT

V

V

mA

V

mA

mA

°C

°C

LIMITS

MIN NOM MAX

4.5

5.0

5.5

2.0

0.8

–18

–15

24

48 1

0

+70

UNIT

V

V

V

mA

mA

mA

mA

°C

1991 Feb 08

3

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