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HEF4538BT,653 PDF预览

HEF4538BT,653

更新时间: 2024-11-04 14:50:51
品牌 Logo 应用领域
恩智浦 - NXP 时钟PC光电二极管逻辑集成电路
页数 文件大小 规格书
17页 90K
描述
HEF4538B - Dual precision monostable multivibrator SOP 16-Pin

HEF4538BT,653 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOP包装说明:PLASTIC, SOT-108, SO-14
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:7.18
系列:4000/14000/40000JESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:9.9 mm
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:85 °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:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:5/15 V传播延迟(tpd):460 ns
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Prescaler/Multivibrators最大供电电压 (Vsup):15 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

HEF4538BT,653 数据手册

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HEF4538B  
Dual precision monostable multivibrator  
Rev. 06 — 2 November 2009  
Product data sheet  
1. General description  
The HEF4538B is a dual retriggerable-resettable monostable multivibrator. Each  
multivibrator has an active LOW trigger/retrigger input (nA), an active HIGH  
trigger/retrigger input (nB), an overriding active LOW direct reset input (nCD), an output  
(nQ) and its complement (nQ), and two pins (nREXT/CEXT, and nCEXT, always  
connected to ground) for connecting the external timing components CEXT and REXT  
.
Typical pulse width variation over the specified temperature range is ±0.2 %.  
The multivibrator may be triggered by either the positive or the negative edges of the input  
pulse and will produce an accurate output pulse with a pulse width range of 10 µs to  
infinity. The duration and accuracy of the output pulse are determined by the external  
timing components CEXT and REXT. The output pulse width (tW) is equal to REXT × CEXT  
.
The linear design techniques in LOCMOS (Local Oxide CMOS) guarantee precise control  
of the output pulse width. A LOW level at nCD terminates the output pulse immediately.  
The trigger inputs’ Schmitt trigger action makes the circuit highly tolerant of slower rise  
and fall times.  
It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS  
(usually ground). Unused inputs must be connected to VDD, VSS, or another input. It is  
also suitable for use over the industrial (40 °C to +85 °C) and automotive (40 °C to  
+125 °C) temperature ranges.  
2. Features  
I Tolerant of slow trigger rise and fall times  
I Fully static operation  
I 5 V, 10 V, and 15 V parametric ratings  
I Standardized symmetrical output characteristics  
I Operates across the automotive temperature range 40 °C to +125 °C  
I Complies with JEDEC standard JESD 13-B  
3. Applications  
I Automotive and industrial  
 
 
 

HEF4538BT,653 替代型号

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HEF4538BT NXP

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