74HC366D datasheet(12/19 Pages) NXP

12 / 19 page

74HC_HCT366_3

Product data sheet

Rev. 03 — 21 November 2006

12 of 19

NXP Semiconductors

74HC366; 74HCT366

Hex buffer/line driver; 3-state; inverting

Table 10.

Measurement points

Type

Input

Output

74HC366

0.5VCC

0.1

× V

0.9

× V

74HCT366

1.3 V

0.1

× V

0.9

× V

Test data is given in Table 11.

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 resistor

S1 = Test selection switch

Fig 8.

Load circuitry for measuring switching times

10 %

90 %

0 V

negative

pulse

positive

pulse

0 V

90 %

10 %

001aad983

DUT

VCC

open

PULSE

GENERATOR

Table 11.

Test data

Type

Input

Load

S1 position

tr, tf

tPHL, tPLH

tPZH, tPHZ

tPZL, tPLZ

74HC366

VCC

6 ns

15 pF, 50 pF

1 k

Ω

open

GND

VCC

74HCT366

3 V

6 ns

15 pF, 50 pF

1 k

Ω

open

GND

VCC

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