Datasheet > 74HC423D-Q100

74HC423D-Q100

更新时间： 2024-09-24 17:01:35

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
16页	257K
描述
Dual retriggerable monostable multivibrator with resetProduction

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74HC423D-Q100 数据手册

74HC423-Q100

Dual retriggerable monostable multivibrator with reset

Rev. 1.1 — 13 March 2024

Product data sheet

1. General description

The 74HC423-Q100 is a dual retriggerable monostable multivibrator with output pulse width control

by two methods. The basic pulse time is programmed by selection of an external resistor (R_EXT

)

and capacitor (C_EXT). Once triggered, the basic output pulse width may be extended by retriggering

(nA) or (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be

made as long as desired. When nRD is LOW, it forces the nQ output LOW, the nQ output HIGH

and also inhibits the triggering. Schmitt-trigger action in the nA and nB inputs, makes the circuit

highly tolerant to slower input rise and fall times. The '423' is identical to the '123' but cannot be

triggered via the reset input. Inputs include clamp diodes. This enables the use of current limiting

resistors to interface inputs to voltages in excess of V_CC

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100

(Grade 1) and is suitable for use in automotive applications.

2. Features and benefits

•

Automotive product qualification in accordance with AEC-Q100 (Grade 1)

Specified from -40 °C to +85 °C and from -40 °C to +125 °C

•

DC triggered from active HIGH or active LOW inputs

Retriggerable for very long pulses up to 100 % duty factor

Direct reset terminates output pulse

Schmitt-trigger action on all inputs except for the reset input

Wide supply voltage range from 2.0 V to 6.0 V

CMOS low power dissipation

High noise immunity

Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

Complies with JEDEC standard no. 7A

CMOS input level

ESD protection:

•

HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

•

DHVQFN package with Side-Wettable Flanks enabling Automatic Optical Inspection (AOI) of

solder joints

3. Ordering information

Table 1. Ordering information

Type number

Package

Temperature range Name

Description

Version

74HC423D-Q100

-40 °C to +125 °C

SO16

plastic small outline package; 16 leads;

body width 3.9 mm

SOT109-1

12 3 4 5 6 7...16

中文翻译

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