HD74LS42P データシートの表示（PDF） - Renesas Electronics

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HD74LS42P

BCD-to-Decimal Decoder

Renesas Electronics 

HD74LS42

Recommended Operating Conditions

Item

Supply voltage

Output current

Operating temperature

Symbol

VCC

IOH

IOL

Topr

Min

4.75

—

—

–20

Typ

5.00

—

—

25

Max

5.25

–400

8

75

Unit

V

µA

mA

°C

Electrical Characteristics

Item

Input voltage

Symbol

VIH

VIL

min.

2.0

—

typ.*

—

—

max.

—

0.8

VOH

2.7

—

—

Output voltage

—

—

0.5

VOL

—

—

0.4

IIH

—

—

20

Input current

IIL

—

—

–0.4

II

—

—

0.1

Short-circuit output

current

IOS

–20

—

–100

Supply current

ICC**

—

7

13

Input clamp voltage

VIK

—

—

–1.5

Notes: * VCC = 5 V, Ta = 25°C

** VCC is measured with all outputs and all inputs grounded.

Unit

V

V

V

V

µA

mA

mA

mA

mA

V

(Ta = –20 to +75 °C)

Condition

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

IOH = –400 µA

IOL = 8 mA

IOL = 4 mA

VCC = 4.75 V, VIH = 2 V,

VIL = 0.8 V

VCC = 5.25 V, VI = 2.7 V

VCC = 5.25 V, VI = 0.4 V

VCC = 5.25 V, VI = 7 V

VCC = 5.25 V

VCC = 5.25 V

VCC = 4.75 V, IIN = –18 mA

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol min.

typ.

max.

Unit

Condition

2 Stage

—

15

25

tPLH

ns

3 Stage

—

20

30

Propagation delay time

2 Stage

—

15

25

CL = 15 pF, RL = 2 kΩ

tPHL

ns

3 Stage

—

20

30

Rev.3.00, Jul.22.2005, page 3 of 6

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