Datasheet > 74LVC1G123DP-Q100

74LVC1G123DP-Q100

更新时间： 2024-11-21 01:14:03

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
21页	286K
描述
Single retriggerable monostable multivibrator Schmitt trigger inputs

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74LVC1G123-Q100

Single retriggerable monostable multivibrator;

Schmitt trigger inputs

Rev. 3 — 2 November 2018

Product data sheet

1. General description

The 74LVC1G123-Q100 is a single retriggerable monostable multivibrator with Schmitt trigger

inputs. Output pulse width is controlled by three methods:

1. The basic pulse is programmed by selection of an external resistor (R_EXT) and capacitor (C_EXT).

2. Once triggered, the basic output pulse width may be extended by retriggering the gated active

LOW-going edge input (A) or the active HIGH-going edge input (B). By repeating this process,

the output pulse period (Q = HIGH) can be made as long as desired. Alternatively an output

delay can be terminated at any time by a LOW-going edge on input CLR, which also inhibits the

triggering.

3. An internal connection from CLR to the input gates makes it possible to trigger the circuit by a

HIGH-going signal at input CLR.

Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices

as translators in a mixed 3.3 V and 5 V environment. Schmitt trigger inputs, makes the circuit highly

tolerant to slower input rise and fall times.

This device is fully specified for partial power-down applications using I_OFF. The I_OFFcircuitry

disables the output, preventing the damaging backflow current through the device when it is

powered down.

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

•

Wide supply voltage range from 1.65 V to 5.5 V

High noise immunity

±24 mA output drive (V_CC= 3.0 V)

CMOS low power consumption

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 on all inputs

Complies with JEDEC standard:

•

JESD8-7 (1.65 V to 1.95 V)

JESD8-5 (2.3 V to 2.7 V)

JESD8-B/JESD36 (2.7 V to 3.6 V)

•

Power-on-reset on outputs

Latch-up performance exceeds 100 mA

Direct interface with TTL levels

Inputs accept voltages up to 5.5 V

ESD protection:

•

MIL-STD-883, method 3015 exceeds 2000 V

HBM JESD22-A114F exceeds 2000 V

MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)

12 3 4 5 6 7...21

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