125 datasheet(20/31 Pages) NEXPERIA

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74LVC1G123

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Product data sheet

Rev. 5 — 14 June 2016

20 of 31

NXP Semiconductors

74LVC1G123

Single retriggerable monostable multivibrator; Schmitt trigger inputs

Test data is given in Table 11.

Definitions for test circuit:

RL = Load resistance.

CL = Load capacitance including jig and probe capacitance.

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

VEXT = Test voltage for switching times.

Fig 18. Test circuit for measuring switching times

Table 11.

Test data

Supply voltage

Input

Load

VEXT

VCC

tr, tf

tPLH, tPHL

1.65 V to 1.95 V

VCC

 2.0 ns

15 pF

1 M



open

2.3 V to 2.7 V

VCC

 2.0 ns

15 pF

1 M



open

2.7 V

 2.5 ns

15 pF

1 M



open

3.0 V to 3.6 V

2.7 V

 2.5 ns

15 pF

1 M



open

4.5 V to 5.5 V

VCC

 2.5 ns

15 pF

1 M



open

1.65 V to 1.95 V

VCC

 2.0 ns

30 pF

1 k



open

2.3 V to 2.7 V

VCC

 2.0 ns

30 pF

500



open

2.7 V

 2.5 ns

50 pF

500



open

3.0 V to 3.6 V

2.7 V

 2.5 ns

50 pF

500



open

4.5 V to 5.5 V

VCC

 2.5 ns

50 pF

500



open

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