KK74LS138N datasheet(3/4 Pages) KODENSHI

Part #	KK74LS138N

Description	3-to-8-Line Decoder/Demultiplexer

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Manufacturer	KODENSHI [KODENSHI_AUK CORP.]

Direct Link	http://www.kodenshi.co.kr

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KK74LS138

AC ELECTRICAL CHARACTERISTICS (TA=25°C, VCC = 5.0 V, CL = 15 pF, RL = 2 kΩ, tr =15

ns, tf = 6.0 ns)

Symbol

Parameter

Level

Min

Max

Unit

tPLH

Maximum Propagation Delay, Input A to

Output Y

2

20

ns

tPHL

Maximum Propagation Delay, Input A to

Output Y

41

ns

tPLH

Maximum Propagation Delay, Input A to

Output Y

3

27

ns

tPHL

Maximum Propagation Delay, Input A to

Output Y

39

ns

tPLH

Maximum Propagation Delay , CS1 to

Output Y

3

26

ns

tPHL

Maximum Propagation Delay , CS1 to

Output Y

38

ns

tPLH

Maximum Output Transition Time , CS2 or

CS3 to Output Y

2

18

ns

tPHL

Maximum Output Transition Time , CS2 or

CS3 to Output Y

32

ns

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

NOTES A. CL includes probe and jig capacitance.

B. All diodes are 1N916 or 1N3064.

Figure 3. Switching Waveforms

Figure 4. Test Circuit

3

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KK74LS138N Datasheet(PDF) 3 Page - KODENSHI_AUK CORP.

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