74HCT423 datasheet(7/23 Pages) NXP

Il numero della parte	74HCT423

Spiegazioni elettronici	Dual retriggerable monostable multivibrator with reset

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74HC_HCT423_3

Product data sheet

Rev. 03 — 24 July 2008

7 of 23

NXP Semiconductors

74HC423; 74HCT423

Dual retriggerable monostable multivibrator with reset

CI

input capacitance

-

3.5

-

pF

74HCT423

VIH

HIGH-level input

voltage

VCC = 4.5 V to 5.5 V

2.0

1.6

-

2.0

-

2.0

-

V

VIL

LOW-level input

voltage

VCC = 4.5 V to 5.5 V

-

1.2

0.8

-

0.8

-

0.8

V

VOH

HIGH-level

output voltage

VI =VIH or VIL; VCC = 4.5 V

IO = −20 µA

4.4

4.5

-

4.4

-

4.4

-

V

IO = −4.0 mA

3.98

4.32

-

3.84

-

3.7

-

V

VOL

LOW-level output

voltage

VI =VIH or VIL; VCC = 4.5 V

IO =20 µA

-

0

0.1

-

0.1

-

0.1

V

IO = 4.0 mA

-

0.15

0.26

-

0.33

-

0.4

V

II

input leakage

current

VI =VCC or GND; VCC = 5.5 V

-

±0.1

-

±1.0

-

±1.0 µA

ICC

supply current

VI =VCC or GND; VCC = 5.5 V;

IO =0A

-

8.0

-

80

-

160

µA

∆ICC

additional supply

current

per input pin; VI =VCC − 2.1 V;

other inputs at VCC or GND;

VCC = 4.5 V to 5.5 V; IO =0A

nA, nB inputs

-

35

126

-

158

-

172

µA

nRD input

-

50

180

-

225

-

245

µA

CI

input capacitance

-

3.5

-

pF

Table 6.

Static characteristics …continued

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

25

°C

−40 °C to

+85

°C

−40 °C to

+125

°C

Unit

Min

Typ

Max

Min

Max

Min

Max

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