74F674 datasheet(3/5 Pages) PHILIPS

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Philips Semiconductors

Product specification

74F674

16-bit serial/parallel-in, serial-out shift register (3-State)

1989 Feb 05

ABSOLUTE MAXIMUM RATINGS

(Operation beyond the limits 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 +5.0

VOUT

Voltage applied to output in High output state

–0.5 to +VCC

IOUT

Current applied to output in Low output state

Tamb

Operating free-air temperature range

0 to +70

°C

Tstg

Storage temperature

–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

–3

IOL

Low-level output current

Tamb

Operating free-air temperature range

°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

2.4

VOH

High-level output voltage

VCC

MIN, VIL

MAX,

VIH = MIN, IOH = MAX

±5%VCC

2.7

3.3

VOL

Low-level output voltage

VCC = MIN, VIL = MAX,

±10%VCC

0.35

0.50

VOL

Low-level output voltage

VCC

MIN, VIL

MAX,

VIH = MIN, IOL = MAX

±5%VCC

0.35

0.50

VIK

Input clamp voltage

VCC = MIN, II = IIK

–0.73

–1.2

Input current at

SI/O only

VCC = MAX, VI = 5.5V

100

µA

Input current at

maximum input voltage

others

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

IOZH+IIH

Off-state output current

High-level voltage applied

SI/O

VCC = MAX, VO = 2.7V

µA

IOZL+IIL

Off-state output current

Low-level voltage applied

SI/O

only

VCC = MAX, VO = 0.5V

–600

µA

IOS

Short-circuit output current3

VCC = MAX

–60

–150

ICC

Supply current (total)

VCC = MAX

NOTES:

1. For conditions shown as MIN or MAX, use the appropriate value under the 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 should be performed last.

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