N74F158AD datasheet(4/10 Pages) PHILIPS

4 / 10 page

Philips Semiconductors

Product specification

74F157A, 74F158A

Data selectors/multiplexers

1996 Mar 12

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

RATING

UNIT

VCC

Supply voltage

–0.5 to +7.0

VIN

Input voltage

–0.5 to +7.0

IIN

Input current

–30 to +5

VOUT

Voltage applied to output in High output state

–0.5 to VCC

IOUT

Current applied to output in Low output state

Operating free-air temperature range

Commercial Range

0 to +70

°C

Tamb

O erating free-air tem erature range

Industrial Range 74F157A only

–40 to +85

°C

Tstg

Storage temperature range

–65 to +150

°C

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

LIMITS

UNIT

SYMBOL

PARAMETER

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5.0

5.5

VIH

High-level input voltage

2.0

VIL

Low-level input voltage

0.8

IIK

Input clamp current

–18

IOH

High-level output current

–1

IOL

Low-level output current

Operating free air temperature range

Commercial Range

Tamb

Operating free air temperature range

Industrial Range 74F157A only

–40

°C

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

VOH

High-level output voltage

VCC = MIN, VIL = MAX

±10%VCC

2.5

VOH

High-level out ut voltage

VIH = MIN, IOH = MAX

±5%VCC

2.7

3.4

VOL

Low-level output voltage

VCC = MIN, VIL = MAX

±10%VCC

0.30

0.50

VOL

Low-level out ut voltage

VIH = MIN, IOL = MAX

±5%VCC

0.30

0.50

VIK

Input clamp voltage

VCC = MIN, II = IIK

–0.73

–1.2

Input current at maximum input voltage

VCC = MAX, VI = 7.0V

100

µA

IIH

High-level input current

VCC = MAX, VI = 2.7V

µA

IIL

Low-level input current

VCC = MAX, VI = 0.5V

–0.6

IOS

Short-circuit output current3

VCC = MAX

–60

–150

ICC

Supply current (total)4

74F157A

VCC = MAX

15.0

23.0

ICC

ly current (total)4

74F158A

VCC = MAX

14.0

19.0

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. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold

techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting

of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any

sequence of parameter tests, IOS tests should be performed last.

4. ICC is measured with 4.5V applied to all inputs and all outputs open.

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