HD74LS163AFPEL datasheet(4/12 Pages) RENESAS

4 / 12 page

HD74LS163A

Rev.2.00, Feb.18.2005, page 4 of 11

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

VIH

2.0

—

Input voltage

VIL

—

0.8

VOH

2.7

—

VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,

IOH = –400

µA

—

0.4

IOL = 4 mA

Output voltage

VOL

—

0.5

IOL = 8 mA

VCC = 4.75 V, VIH = 2 V,

VIL = 0.8 V

Data, Enable P

—

Load, Clock, Enable T

—

Clear

IIH

—

µA

VCC = 5.25 V, VI = 2.7 V

Data, Enable P

—

–0.4

Load, Clock, Enable T

—

–0.8

Clear

IIL

—

–0.8

VCC = 5.25 V, VI = 0.4 V

Data, Enable P

—

0.1

Load, Clock, Enable T

—

0.2

Input

current

Clear

—

0.2

VCC = 5.25 V, VI = 7 V

Short-circuit output current

IOS

–20

—

–100

VCC = 5.25 V

ICCH

—

VCC = 5.25 V

Supply current**

ICCL

—

VCC = 5.25 V

Input clamp voltage

VIK

—

–1.5

VCC = 4.75 V, IIN = –18 mA

Notes: * VCC = 5 V, Ta = 25°C

** ICC is measured with the load input high, then again with the load input low, with all other inputs high and all

outputs open. ICC is measured with the clock input high, then again with the clock input low, with all other

inputs low and all outputs open.

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

Inputs

Outputs

min.

typ.

max.

Unit

Condition

Maximum clock frequency

ƒmax

Clock

QA to QD

—

MHz

tPLH

—

tPHL

Clock

Ripple

Carry

—

tPLH

—

tPHL

Clock

(Load = “H”)

QA to QD

—

tPLH

—

tPHL

Clock

(Load = “L”)

QA to QD

—

tPLH

—

tPHL

Enable T

Ripple

Carry

—

Propagation delay time

tPHL

Clear

QA to QD

—

CL = 15 pF,

RL = 2 k

Ω

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