Datasheet > 74LV123DB-T

74LV123DB-T

更新时间： 2024-01-19 03:26:52

品牌	Logo	应用领域
恩智浦 - NXP		时钟光电二极管逻辑集成电路
页数	文件大小	规格书
24页	282K
描述
IC LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, 5.30 MM, PLASTIC, MO-150, SOT-338-1, SSOP-16, Prescaler/Multivibrator

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74LV123DB-T 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	SSOP, SSOP16,.3	Reach Compliance Code：	unknown
风险等级：	5.73	JESD-30 代码：	R-PDSO-G16
逻辑集成电路类型：	MONOSTABLE MULTIVIBRATOR	湿度敏感等级：	1
端子数量：	16	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装等效代码：	SSOP16,.3
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
电源：	3.3 V	认证状态：	Not Qualified
子类别：	Prescaler/Multivibrators	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	AUTOMOTIVE	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
Base Number Matches：	1

74LV123DB-T 数据手册

74LV123

Dual retriggerable monostable multivibrator with reset

Rev. 7 — 12 December 2011

Product data sheet

1. General description

The 74LV123 is a low-voltage Si-gate CMOS device and is pin and function compatible

with the 74HC123; 74HCT123. It is a dual retriggerable monostable multivibrator which

uses three methods to control the output pulse width:

1. The basic pulse time is programmed by the selection of an external resistor (R_EXT

)

and capacitor (C_EXT). These are normally connected as shown in Figure 9.

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

gated active LOW-going edge input (nA) or the active HIGH-going edge input (nB). By

repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made

as long as desired (see Figure 12).

3. Alternatively, an output delay can be terminated at any time by a LOW-going edge on

input nRD, which also inhibits the triggering (see Figure 13).

Schmitt-trigger action in the nA and nB inputs makes the circuit highly tolerant of slower

input rise and fall times.

2. Features and benefits

 Optimized for low-voltage applications: 1.0 V to 5.5 V

 Accepts TTL input levels between V_CC= 2.7 V and V_CC= 3.6 V

 Typical output ground bounce: < 0.8 V at V_CC= 3.3 V and T_amb= 25 C

 Typical HIGH-level output voltage (V_OH) undershoot: > 2 V at V_CC= 3.3 V and

T_amb= 25 C

 DC triggered from active HIGH or active LOW inputs

 Retriggerable for very long pulses up to 100 % duty factor

 Direct reset terminates output pulses

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

12 3 4 5 6 7...24

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与74LV123DB-T相关器件

型号	品牌	获取价格	描述	数据表
74LV123D-Q100	NEXPERIA	获取价格	Dual retriggerable monostable multivibrator with resetProduction
74LV123D-T	NXP	获取价格	IC LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, 3.90 MM, PLASTIC, MS-012,
74LV123D-T	PHILIPS	获取价格	Monostable Multivibrator, CMOS, PDSO16,
74LV123N	NXP	获取价格	Dual retriggerable monostable multivibrator with reset
74LV123PW	NXP	获取价格	Dual retriggerable monostable multivibrator with reset
74LV123PW	NEXPERIA	获取价格	Dual retriggerable monostable multivibrator with resetProduction
74LV123PW,118	NXP	获取价格	74LV123 - Dual retriggerable monostable multivibrator with reset TSSOP 16-Pin
74LV123PWDH	NXP	获取价格	Dual retriggerable monostable multivibrator with reset
74LV123PWDH-T	NXP	获取价格	IC LV/LV-A/LVX/H SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16, PLASTIC, SOT-403, TSSOP1-1
74LV123PW-Q100	NEXPERIA	获取价格	Dual retriggerable monostable multivibrator with resetProduction

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