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74HCT423DB,118 PDF预览

74HCT423DB,118

更新时间: 2024-11-20 14:40:15
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
23页 139K
描述
74HC(T)423 - Dual retriggerable monostable multivibrator with reset SSOP1 16-Pin

74HCT423DB,118 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:SSOP1包装说明:SSOP, SSOP16,.3
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N其他特性:RETRIGGERABLE
系列:HCTJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:6.2 mm
负载电容(CL):50 pF逻辑集成电路类型:MONOSTABLE MULTIVIBRATOR
湿度敏感等级:1数据/时钟输入次数:2
功能数量:2端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
输出极性:COMPLEMENTARY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
峰值回流温度(摄氏度):260电源:5 V
传播延迟(tpd):77 ns认证状态:Not Qualified
座面最大高度:2 mm子类别:Prescaler/Multivibrators
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:AUTOMOTIVE
端子面层:NICKEL PALLADIUM GOLD端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:5.3 mm
Base Number Matches:1

74HCT423DB,118 数据手册

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74HC423; 74HCT423  
Dual retriggerable monostable multivibrator with reset  
Rev. 03 — 24 July 2008  
Product data sheet  
1. General description  
74HC423; 74HCT423 are high-speed Si-gate CMOS devices that are pin compatible with  
low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC  
standard no. 7A.  
The 74HC423; 74HCT423 dual retriggerable monostable multivibrator with reset has two  
methods of output pulse width control.  
1. The minimum pulse width is essentially determined by the selection of an external  
resistor (REXT) and capacitor (CEXT), see Section 12.1.  
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. When nRD is LOW, it forces the nQ output LOW, the nQ output  
HIGH and also inhibits the triggering. Figure 10 and Figure 11 illustrate pulse control  
by reset.  
The nA and nB inputs’ Schmitt trigger action makes them highly tolerant to slower input  
rise and fall times.  
The 74HC423; 74HCT423 are identical to the 74HC123; 74HCT123 except that they  
cannot be triggered via the reset input.  
2. Features  
I DC triggered from active HIGH or active LOW inputs  
I Retriggerable for very long pulses up to 100% duty factor  
I Direct reset terminates output pulse  
I Schmitt-trigger action on all inputs except for the reset input  
I Complies with JEDEC standard no. 7A  
I ESD protection:  
N HBM JESD22-A114E exceeds 2000 V  
N MM JESD22-A115-A exceeds 200 V  
I Specified from 40 °C to +85 °C and from 40 °C to +125 °C  
 
 

74HCT423DB,118 替代型号

型号 品牌 替代类型 描述 数据表
74HCT123DB,118 NXP

完全替代

74HC(T)123 - Dual retriggerable monostable multivibrator with reset SSOP1 16-Pin

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