HD74LS74AFPEL datasheet(2/8 Pages) RENESAS

2 / 8 page

HD74LS74A

Preliminary

R04DS0012EJ0400 Rev.4.00

Page 2 of 7

Dec 21, 2011

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage

VCC

Input voltage

VIN

Power dissipation

400

Storage temperature

Tstg

–65 to +150

C

Note:

Voltage value, unless otherwise noted, are with respect to network ground terminal.

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

VCC

4.75

5.00

5.25

IOH

—

–400

A

Output current

IOL

—

Operating temperature

Topr

–20

C

Clock frequency

fclock

—

MHz

Clock High

—

Pulse width

Clear Preset

—

“H” Data

tsu



—

Setup time

“L” Data

tsu



—

Hold time



—

Note:

; The arrow indicates the rising edge.

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 A

—

0.5

IOL = 8 mA

Output voltage

VOL

—

0.4

IOL = 4 mA

VCC = 4.75 V, VIL = 0.8 V,

VIH = 2 V

—

Clear

—

Preset

—

Clock

IIH

—

A

VCC = 5.25 V, VI = 2.7 V

—

–0.4

Clear

—

–0.8

Preset

—

–0.8

Clock

IIL

—

–0.4

VCC = 5.25 V, VI = 0.4 V

—

0.1

Clear

—

0.2

Preset

—

0.2

Input

current

Clock

—

0.1

VCC = 5.25 V, VI = 7 V

Short-circuit output

current

IOS

–20

—

–100

VCC = 5.25 V

Supply current

ICC**

—

VCC = 5.25 V

Input clamp voltage

VIR

—

–1.5

VCC = 4.75 V, IIN = –18 mA

Notes: * VCC = 5 V, Ta = 25°C

** With all output open, ICC is measured with the Q and Q outputs high in turn. At the time of measurement, the

clock input is grounded.

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