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HEF4538BT PDF预览

HEF4538BT

更新时间: 2024-09-30 11:14:43
品牌 Logo 应用领域
安世 - NEXPERIA 时钟PC光电二极管逻辑集成电路
页数 文件大小 规格书
14页 242K
描述
Dual precision monostable multivibratorProduction

HEF4538BT 技术参数

是否Rohs认证:符合生命周期:Active
包装说明:SOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:1.6
Samacsys Confidence:Samacsys Status:Released
Samacsys PartID:601218Samacsys Pin Count:16
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Other
Samacsys Footprint Name:SOIC127P600X175-16NSamacsys Released Date:2017-01-12 09:39:31
Is Samacsys:N其他特性:RETRIGGERABLE
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:1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:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
传播延迟(tpd):460 ns座面最大高度:1.75 mm
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:AUTOMOTIVE
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
宽度:3.9 mmBase Number Matches:1

HEF4538BT 数据手册

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HEF4538B  
Dual precision monostable multivibrator  
Rev. 12 — 4 March 2022  
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.  
2. Features and benefits  
Tolerant of slow trigger rise and fall times  
Wide supply voltage range from 3.0 V to 15.0 V  
CMOS low power dissipation  
High noise immunity  
Fully static operation  
5 V, 10 V, and 15 V parametric ratings  
Standardized symmetrical output characteristics  
Complies with JEDEC standard JESD 13-B  
ESD protection:  
HBM JESD22-A114F exceeds 2000 V  
MM JESD22-A115-B exceeds 200 V  
Specified from -40 °C to +85 °C and -40 °C to +125 °C  
3. Ordering information  
Table 1. Ordering information  
Type number  
Package  
Temperature range Name  
Description  
Version  
HEF4538BT  
-40 °C to +125 °C  
SO16  
plastic small outline package; 16 leads;  
body width 3.9 mm  
SOT109-1  
 
 
 

HEF4538BT 替代型号

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