74HC_HCT1G66_15 datasheet(9/18 Pages) PHILIPS

No. de pieza	74HC_HCT1G66

Descripción Electrónicos	Single-pole single-throw analog switch

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Fabricante Electrónico	PHILIPS [NXP Semiconductors]

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9 / 18 page

74HC_HCT1G66_4

Product data sheet

Rev. 04 — 19 December 2008

9 of 18

NXP Semiconductors

74HC1G66; 74HCT1G66

Single-pole single-throw analog switch

11.1 Waveforms and test circuit

Measurement points are given in Table 10.

Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.

Fig 8.

Input (Y or Z) to output (Z or Y) propagation delays

mna667

tPLH

tPHL

Y or Z input

Z or Y output

GND

VOH

VOL

Measurement points are given in Table 10.

Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.

Fig 9.

Enable and disable times

mna668

tPLZ

tPHZ

switch

disabled

switch

enabled

switch

enabled

output

LOW-to-OFF

OFF-to-LOW

output

HIGH-to-OFF

OFF-to-HIGH

Y or Z

VOL

VOH

VCC

GND

tPZL

tPZH

Table 10.

Measurement points

Type

Input

Output

74HC1G66

0.5VCC

VOL + 10%

VOH − 10%

74HCT1G66

1.3 V

VOL + 10%

VOH − 10%

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