74AHC1G14GV datasheet(7/15 Pages) NXP

部件名	74AHC1G14GV

功能描述	Inverting Schmitt trigger

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制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

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7 / 15 page

74AHC_AHCT1G14_6

Product data sheet

Rev. 06 — 18 May 2009

7 of 15

NXP Semiconductors

74AHC1G14; 74AHCT1G14

Inverting Schmitt trigger

13. Waveforms

13.1 Transfer characteristic waveforms

The test data is given in Table 10

Test data is given in Table 9.

Deﬁnitions for test circuit:

CL = Load capacitance.

RT = Termination resistance should be equal to output

impedance Zo of the pulse generator.

Fig 5.

The input (A) to output (Y) propagation delays

Fig 6.

Load circuitry for switching times

mna033

A input

Y output

tPHL

tPLH

VM

mna101

VCC

VI

VO

RT

CL

PULSE

GENERATOR

DUT

Table 10.

Test data

Type number

Input

Output

VI

VM

74AHC1G14

GND to VCC

0.5

× VCC

0.5

× VCC

74AHCT1G14

GND to 3.0 V

1.5 V

0.5

× VCC

Fig 7.

Transfer characteristic

Fig 8.

The deﬁnitions of VT+, VT− and VH

mna026

VO

VH

VI

VT−

VT+

mna027

VO

VI

VH

VT+

VT−

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类似说明 - 74AHC1G14GV

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