74LV138DB datasheet(9/17 Pages) NXP

部件名	74LV138DB

功能描述	3-to-8 line decoder/demultiplexer; inverting

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制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

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9 / 17 page

74LV138_3

Product data sheet

Rev. 03 — 15 November 2007

9 of 17

NXP Semiconductors

74LV138

3-to-8 line decoder/demultiplexer; inverting

Test data is given in Table 9.

Deﬁnitions test circuit:

RT = Termination resistance should be equal to output impedance Zo of the pulse generator.

RL = Load resistance.

CL = Load capacitance including jig and probe capacitance.

Fig 8.

Load circuit for switching times

VCC

VI

VO

001aaa663

D.U.T.

CL

50 pF

RT

RL

1 k

Ω

PULSE

GENERATOR

Table 9.

Test data

Supply voltage

VCC

Input

VI

tr, tf

< 2.7 V

VCC

≤ 2.5 ns

2.7 V to 3.6 V

2.7 V

≤ 2.5 ns

≥ 4.5 V

VCC

≤ 2.5 ns

类似零件编号 - 74LV138DB

制造商	部件名	数据表	功能描述
NXP Semiconductors	74LV138DB	116Kb / 12P	3-to-8 line decoder/multiplexer; inverting 1998 Apr 28

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