74HCT9114 datasheet(5/7 Pages) PHILIPS

Part #	74HCT9114

Description	Nine wide Schmitt trigger buffer; open drain outputs; inverting

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 7 page

December 1990

5

Philips Semiconductors

Product speciﬁcation

Nine wide Schmitt trigger buffer;

open drain outputs; inverting

74HC/HCT9114

DC CHARACTERISTICS FOR 74HC

For the DC characteristics see

“74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Transfer characteristics are given below.

Output capability: standard

ICC category: MSI

TRANSFER CHARACTERISTICS FOR 74HC

Voltages are referred to GND (ground = 0 V)

AC CHARACTERISTICS FOR 74HC

GND = 0 V; tr =tf = 6 ns; CL = 50 pF

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HC

VCC

(V)

WAVEFORMS

+25

−40 to +85

−40 to +125

min.

typ.

max.

min

.

max.

min.

max.

VT+

positive-going

threshold

0.70

1.75

2.30

1.13

2.37

3.11

1.50

3.15

4.20

0.70

1.75

2.30

1.50

3.15

4.20

0.70

1.75

2.30

1.50

3.15

4.20

V

2.0

4.5

6.0

Fig.6

VT−

negative-going

threshold

0.30

1.35

1.80

0.70

1.80

2.43

1.10

2.40

3.30

0.30

1.35

1.80

1.10

2.40

3.30

0.30

1.35

1.80

1.10

2.40

3.30

V

2.0

4.5

6.0

Fig.6

VH

hysteresis (VT+ − VT−) 0.2

0.4

0.5

0.43

0.57

0.68

0.80

1.00

1.10

0.18

0.40

0.50

0.80

1.00

1.10

0.15

0.40

0.50

0.80

1.00

1.10

V

2.0

4.5

6.0

Fig.6

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HC

VCC

(V)

WAVEFORMS

+25

−40 to +85 −40 to +125

min.

typ.

max.

min.

max.

min.

max.

tPHL/ tPLZ

propagation delay

An to Yn

36

13

10

110

22

19

140

28

24

165

33

28

ns

2.0

4.5

6.0

Fig.7

tTHL

output transition time

19

7

6

75

15

13

95

19

16

110

22

19

ns

2.0

4.5

6.0

Fig.7

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