74HC9115 데이터 시트보기 (PDF) - Philips Electronics

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74HC9115

Nine wide Schmitt trigger buffer; open drain outputs

Philips Electronics 

Philips Semiconductors

Nine wide Schmitt trigger buffer;

open drain outputs

Product specification

74HC/HCT9115

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)

SYMBOL PARAMETER

Tamb (°C)

TEST CONDITIONS

74HC

+25

−40 to +85

−40 to +125

UNIT

VCC

(V)

WAVEFORMS

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

VT+

positive-going threshold 0.70 1.13 1.50 0.70 1.50 0.70 1.50 V 2.0 Fig.6

1.75 2.37 3.15 1.75 3.15 1.75 3.15

4.5

2.30 3.11 4.20 2.30 4.20 2.30 4.20

6.0

VT−

negative-going threshold 0.30 0.70 1.10 0.30 1.10 0.30 1.10 V 2.0 Fig.6

1.35 1.80 2.40 1.35 2.40 1.35 2.40

4.5

1.80 2.43 3.30 1.80 3.30 1.80 3.30

6.0

VH

hysteresis (VT+ − VT−)

0.2 0.43 0.80 0.18 0.80 0.15 0.80 V

2.0 Fig.6

0.4 0.57 1.00 0.40 1.00 0.40 1.00

4.5

0.5 0.68 1.10 0.50 1.10 0.50 1.10

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

36 115

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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