HD74LS145FPEL datasheet(3/7 Pages) RENESAS

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HD74LS145

Preliminary

R04DS0007EJ0400 Rev.4.00

Page 3 of 6

Dec 24, 2010

Recommended Operating Conditions

Item

Symbol

Min

Typ

Max

Unit

Supply voltage

VCC

4.75

5.00

5.25

Off-state output voltage

VO(off)

—

Low level output current

IOL

—

Operating temperature

Topr

–20

C

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.*

max.

Unit

Condition

VIH

2.0

—

Input voltage

VIL

—

0.8

Off-state output

current

IO(off)

—

250

A

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

VO(off) = 15 V

—

0.4

IOL = 12 mA

—

0.5

IOL = 24 mA

On-state output

voltage

VO(on)

—

3.0

IOL = 80 mA

VCC = 4.75 V, VIH = 2 V,

VIL = 0.8 V

IIH

—

A

VCC = 5.25 V, VI = 2.7 V

IIL

—

–0.4

VCC = 5.25 V, VI = 0.4 V

Input current

—

0.1

VCC = 5.25 V, VI = 7 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 grounded.

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

min.

typ.

max.

Unit

Condition

tPLH

—

Propagation delay time

tPHL

—

CL = 45 pF, RL = 665 

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