HD74LS247 datasheet(4/8 Pages) RENESAS

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HD74LS247

Rev.3.00, Jul.15.2005, page 4 of 7

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

VCC

4.75

5.00

5.25

Operating temperature

Topr

–20

°C

Output voltage

a to g

VO (off)

—

a to g

IO (on)

—

BI / RBO

IOH

—

-50

µA

Output current

BI / RBO

IOL

—

3.2

6 7 8 9 101112131415

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

VIH

2.0

—

Input voltage

VIL

—

0.8

BI/RBO

VOH

2.4

—

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

IOH = –50

µA

—

0.4

IOL = 1.6 mA

Output

voltage

BI/RBO

VOL

—

0.5

IOL = 3.2 mA

VCC = 4.75 V, VIH = 2 V,

VIL = 0.8 V

Output

current

a to g

IO (off)

—

250

µA

VCC = 5.25 V, VIH = 2 V, VIL = 0.8 V,

VO (off) = 15 V

—

0.4

IO (on) = 12 mA

Output

voltage

a to g

VO (on)

—

0.5

IO (on) = 24 mA

VCC = 5.25 V, VIH = 2 V,

VIL = 0.8 V

IIH

—

µA

VCC = 5.25 V, VI = 2.7 V

Except

BI/RBO

—

–0.4

BI/RBI

IIL

—

–1.2

VCC = 5.25 V, VI = 0.4 V

Input current

—

0.1

VCC = 5.25 V, VI = 7 V

Short-circuit

output current

BI/RBO

IOS

–0.3

—

–2

VCC = 5.25 V

Supply current**

ICC

—

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 all outputs open and all inputs at 4.5 V.

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

Input

min.

typ.

max.

Unit

Condition

—

100

Turn-on time

ton

RBI

—

100

—

100

Turn-off time

toff

RBI

—

100

CL = 15 pF, RL = 665

Ω

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