74LVC3G17DP datasheet(9/16 Pages) PHILIPS

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9397 750 14544

Product data sheet

Rev. 03 — 31 January 2005

9 of 16

Philips Semiconductors

74LVC3G17

Triple non-inverting Schmitt trigger with 5 V tolerant input

[1]

All typical values are measured at Tamb = 25 °C.

16. Waveforms transfer characteristics

hysteresis

(VT+ − VT−)

see Figure 8, 9 and 10

VCC = 1.8 V

0.15

0.49

1.00

VCC = 2.3 V

0.25

0.60

1.10

VCC = 3.0 V

0.40

0.73

1.20

VCC = 4.5 V

0.60

0.92

1.50

VCC = 5.5 V

0.70

1.02

1.70

Tamb = −40 °C to +125 °C

VT+

positive-going

threshold

see Figure 8 and 9

VCC = 1.8 V

0.70

1.70

VCC = 2.3 V

1.00

2.00

VCC = 3.0 V

1.30

2.40

VCC = 4.5 V

1.90

3.30

VCC = 5.5 V

2.20

3.80

VT−

negative-going

threshold

see Figure 8 and 9

VCC = 1.8 V

0.25

1.10

VCC = 2.3 V

0.40

1.35

VCC = 3.0 V

0.60

1.70

VCC = 4.5 V

1.00

2.20

VCC = 5.5 V

1.20

2.50

hysteresis

(VT+ − VT−)

see Figure 8, 9 and 10

VCC = 1.8 V

0.15

1.20

VCC = 2.3 V

0.25

1.30

VCC = 3.0 V

0.40

1.40

VCC = 4.5 V

0.60

1.70

VCC = 5.5 V

0.70

1.90

Table 12:

Transfer characteristics …continued

Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VT+ and VT− limits at 70 % and 20 %.

Fig 8.

Transfer characteristic

Fig 9.

Deﬁnition of VT+, VT− and VH

mnb154

VT−

VT+

mnb155

VT+

VT−

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