2003 May 1

7

Philips Semiconductors

Preliminary specification

Inverting Schmitt-triggers

74HC2G14; 74HCT2G14

TRANSFER CHARACTERISTICS

Type 74HC2G14

Over recommended operating conditions; voltage are referenced to GND (ground = 0 V).

Note

Type 74HCT2G14

Over recommended operating conditions; voltage are referenced to GND (ground = 0 V).

Note

SYMBOL

PARAMETER

TEST CONDITIONS

UNIT

WAVEFORMS

(V)

+25

−40 to +85 −40 to +125

MIN.

positive going

threshold

see Figs. 5 and 6

2.0

1.0

1.18

1.5

1.0

1.5

1.0

1.5

V

4.5

2.3

2.6

3.15

2.3

3.15

2.3

3.15

V

6.0

3.0

3.46

4.2

3.0

4.2

3.0

4.2

V

negative going

threshold

see Figs. 5 and 6

2.0

0.3

0.6

0.9

0.3

0.9

0.3

0.9

V

4.5

1.13

1.47

2.0

1.13

2.0

1.13

2.0

V

6.0

1.5

2.06

2.6

1.5

2.6

1.5

2.6

V

hysteresis

see Figs. 5 and 6

2.0

0.3

0.6

1.0

0.3

1.0

0.3

1.0

V

4.5

0.6

1.13

1.4

0.6

1.4

0.6

1.4

V

6.0

0.8

1.40

1.7

0.8

1.7

0.8

1.7

V

SYMBOL

PARAMETER

TEST CONDITIONS

UNIT

OTHER

(V)

+25

−40 to +85 −40 to +125

MIN.

positive going

threshold

see Figs. 5 and 6

4.5

1.2

1.58

1.9

1.2

1.9

1.2

1.9

V

5.5

1.4

1.78

2.1

1.4

2.1

1.4

2.1

V

negative going

threshold

see Figs. 5 and 6

4.5

0.5

0.87

1.2

0.5

1.2

0.5

1.2

V

5.5

0.6

1.11

1.4

0.6

1.4

0.6

1.4

V

hysteresis

see Figs. 5 and 6

4.5

0.4

0.71

−

0.4

−

0.4

−

V

5.5

0.4

0.67

−

0.4

−

0.4

−

V