HD74LS253 Ver la hoja de datos (PDF) - Renesas Electronics

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HD74LS253

Dual 4-line-to-1-line Data Selectors / Multiplexers (with three-state outputs)

Renesas Electronics 

HD74LS253

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

–2.6

8

75

Unit

V

mA

mA

°C

Electrical Characteristics

(Ta = –20 to +75 °C)

Item

Symbol

min.

typ.* max.

Unit

Condition

Input voltage

Output voltage

Input current

Output current

Short-circuit output

current

VIH

2.0

—

—

V

VIL

—

—

0.8

V

VOH

2.4

—

—

V

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

IOH = –2.6 mA

VOL

—

—

0.4

V

IOL = 4 mA VCC = 4.75 V, VIH = 2 V,

—

—

0.5

IOL = 8 mA VIL = 0.8 V

IIH

—

—

20

µA VCC = 5.25 V, VI = 2.7 V

IIL

—

—

–0.4

mA VCC = 5.25 V, VI = 0.4 V

II

—

—

0.1

mA VCC = 5.25 V, VI = 7 V

IOZ

—

—

—

—

20

–20

µA

VO = 2.7 V

VO = 0.4 V

VCC = 5.25 V, VIH = 2 V

IOS

–30

—

–130

mA VCC = 5.25 V

Supply current**

—

7

12

Condition A

ICC

—

8.5

14

mA

Condition B VCC = 5.25 V

Input clamp voltage

VIK

—

—

–1.5

V

VCC = 4.75 V, IIN = –18 mA

Notes: * VCC = 5 V, Ta = 25°C

** ICC is measured with the outputs open under the following conditions.

A; All inputs grounded, B; Output control at 4.5 V, all inputs grounded.

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol Inputs Output

min.

typ.

max.

Unit

Condition

tPLH

Data

Y

Propagation delay time

tPHL

tPLH

Select

Y

tPHL

—

17

25

—

13

20

ns

—

30

45

CL = 15 pF,

—

21

32

RL = 2 kΩ

Output enable time

tZH

Output

Y

tZL

Control

—

15

28

ns

—

15

23

Output disable time

tHZ

Output

Y

tLZ

Control

—

—

27

18

41

27

ns

CL = 5 pF,

RL = 2 kΩ

Rev.3.00, Jul.15.2005, page 3 of 5

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