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74HC9114N

Nine wide Schmitt trigger buffer; open drain outputs; inverting

Philips Electronics 

Philips Semiconductors

Nine wide Schmitt trigger buffer;

open drain outputs; inverting

Product specification

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)

Tamb (°C)

SYMBOL PARAMETER

74HC

+25

−40 to +85

min. typ. max. min. max.

VT+

positive-going

threshold

0.70 1.13 1.50 0.70 1.50

1.75 2.37 3.15 1.75 3.15

2.30 3.11 4.20 2.30 4.20

VT−

negative-going

threshold

0.30 0.70 1.10 0.30 1.10

1.35 1.80 2.40 1.35 2.40

1.80 2.43 3.30 1.80 3.30

VH

hysteresis (VT+ − VT−) 0.2 0.43 0.80 0.18 0.80

0.4 0.57 1.00 0.40 1.00

0.5 0.68 1.10 0.50 1.10

−40 to +125

min.

0.70

1.75

2.30

0.30

1.35

1.80

0.15

0.40

0.50

max.

1.50

3.15

4.20

1.10

2.40

3.30

0.80

1.00

1.10

TEST CONDITIONS

UNIT

VCC

(V)

WAVEFORMS

V 2.0 Fig.6

4.5

6.0

V 2.0 Fig.6

4.5

6.0

V 2.0 Fig.6

4.5

6.0

AC CHARACTERISTICS FOR 74HC

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

Tamb (°C)

TEST CONDITIONS

SYMBOL PARAMETER

74HC

+25

−40 to +85

−40 to +125

UNIT

VCC

(V)

WAVEFORMS

min. typ. max. min. max. min. max.

tPHL/ tPLZ propagation delay

An to Yn

tTHL

output transition time

36 110

140

165 ns 2.0 Fig.7

13 22

28

33

4.5

10 19

24

28

6.0

19 75

95

110 ns 2.0 Fig.7

7 15

19

22

4.5

6 13

16

19

6.0

December 1990

5

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