74HC125PW datasheet(9/17 Pages) NXP

tên linh kiện	74HC125PW

Giải thích chi tiết về linh kiện	Quad buffer/line driver; 3-state

PDF	17 Pages

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nhà sản xuất	NXP [NXP Semiconductors]

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74HC_HCT125

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Product data sheet

Rev. 4 — 10 January 2013

9 of 17

NXP Semiconductors

74HC125; 74HCT125

Quad buffer/line driver; 3-state

Test data is given in Table 9.

Definitions test circuit:

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

CL = Load capacitance including jig and probe capacitance.

RL = Load resistance.

S1 = Test selection switch.

Fig 7.

Load circuit for switching times

10 %

90 %

0 V

negative

pulse

positive

pulse

0 V

90 %

10 %

001aad983

DUT

VCC

open

Table 9.

Test data

Type

Input

Load

S1 position

tr, tf

tPHL, tPLH

tPZH, tPHZ

tPZL, tPLZ

74HC125

VCC

6ns

15pF, 50 pF



open

GND

VCC

74HCT125

3 V

6 ns

15 pF, 50 pF

1 k



open

GND

VCC

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