SN74LS251D datasheet(4/8 Pages) ONSEMI

부품명	SN74LS251D

상세설명	LOW POWER SCHOTTKY

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SN74LS251

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DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

Input HIGH Voltage

2.0

V

Guaranteed Input HIGH Voltage for

All Inputs

VIL

Input LOW Voltage

0.8

V

Guaranteed Input LOW Voltage for

All Inputs

VIK

Input Clamp Diode Voltage

– 0.65

– 1.5

V

VCC = MIN, IIN = – 18 mA

VOH

Output HIGH Voltage

2.4

3.1

V

VCC = MIN, IOH = MAX, VIN = VIH

or VIL per Truth Table

VO

Output LOW Voltage

0.25

0.4

V

IOL = 12 mA

VCC = VCC MIN,

VIN =VIL or VIH

VOL

Output LOW Voltage

0.35

0.5

V

IOL = 24 mA

VIN = VIL or VIH

per Truth Table

IOZH

Output Off Current HIGH

20

µA

VCC = MAX, VOUT = 2.7 V

IOZL

Output Off Current LOW

–20

µA

VCC = MAX, VOUT = 0.4 V

I

Input HIGH Current

20

µA

VCC = MAX, VIN = 2.7 V

IIH

Input HIGH Current

0.1

mA

VCC = MAX, VIN = 7.0 V

IIL

Input LOW Current

– 0.4

mA

VCC = MAX, VIN = 0.4 V

IOS

Short Circuit Current (Note 1)

–30

– 130

mA

VCC = MAX

ICC

Power Supply Current

10

mA

VCC = MAX, VE = 0 V

ICC

Power Supply Current

12

mA

VCC = MAX, VE = 4.5 V

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.

AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

tPLH

tPHL

Propagation Delay,

Select to Z Output

20

21

33

ns

Figure 1

tPLH

tPHL

Propagation Delay,

Select to Z Output

29

28

45

ns

Figure 2

tPLH

tPHL

Propagation Delay,

Data to Z Output

10

9.0

15

ns

Figure 1

CL = 15 pF,

tPLH

tPHL

Propagation Delay,

Data to Z Output

17

18

28

ns

Figures 2

L

RL = 2.0 kΩ

tPZH

tPZL

Output Enable Time

to Z Output

17

24

27

40

ns

Figures 4, 5

tPZH

tPZL

Output Enable Time

to Z Output

30

26

45

40

ns

Figures 3, 5

tPHZ

tPLZ

Output Disable Time

to Z Output

37

15

55

25

ns

Figures 3, 5

CL = 5.0 pF,

tPHZ

tPLZ

Output Disable Time

to Z Output

30

15

45

25

ns

Figures 4, 5

L

RL = 667 kΩ

유사한 부품 번호 - SN74LS251D

제조업체	부품명	데이터시트	상세설명
Texas Instruments	SN74LS251D	312Kb / 9P	[Old version datasheet] DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
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