Datasheet > 74LVC1G123DP

74LVC1G123DP

更新时间： 2024-11-21 00:56:51

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
31页	1230K
描述
Single retriggerable monostable multivibrator

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74LVC1G123DP 数据手册

74LVC1G123

Single retriggerable monostable multivibrator; Schmitt trigger

inputs

Rev. 4 — 27 November 2013

Product data sheet

1. General description

The 74LVC1G123 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_OFF

circuitry disables the output, preventing the damaging backflow current through the device

when it is powered down.

2. Features and benefits

 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

12 3 4 5 6 7...31

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与74LVC1G123DP相关器件

型号	品牌	获取价格	描述	数据表
74LVC1G123DP-Q100	NEXPERIA	获取价格	Single retriggerable monostable multivibrator Schmitt trigger inputs
74LVC1G123GD	NXP	获取价格	Single retriggerable monostable multivibrator
74LVC1G123GF	NXP	获取价格	Single retriggerable monostable multivibrator
74LVC1G123GN	NXP	获取价格	Single retriggerable monostable multivibrator
74LVC1G123GN	NEXPERIA	获取价格	Single retriggerable monostable multivibrator; Schmitt trigger inputsProduction
74LVC1G123GS	NEXPERIA	获取价格	Single retriggerable monostable multivibrator; Schmitt trigger inputsProduction
74LVC1G123GS	NXP	获取价格	Single retriggerable monostable multivibrator
74LVC1G123GT	NXP	获取价格	Single retriggerable monostable multivibrator
74LVC1G123GT	NEXPERIA	获取价格	Single retriggerable monostable multivibrator; Schmitt trigger inputsProduction
74LVC1G123-Q100	NEXPERIA	获取价格	Single retriggerable monostable multivibrator Schmitt trigger inputs

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