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74HC4538PW PDF预览

74HC4538PW

更新时间: 2024-09-26 11:10:11
品牌 Logo 应用领域
安世 - NEXPERIA 时钟光电二极管逻辑集成电路
页数 文件大小 规格书
17页 289K
描述
Dual retriggerable precision monostable multivibratorProduction

74HC4538PW 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.56
其他特性:RETRIGGERABLE系列:HC/UH
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 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: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:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
传播延迟(tpd):80 ns座面最大高度:1.1 mm
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 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: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:4.4 mm
Base Number Matches:1

74HC4538PW 数据手册

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74HC4538  
Dual retriggerable precision monostable multivibrator  
Rev. 6 — 16 July 2021  
Product data sheet  
1. General description  
The 74HC4538 is a dual retriggerable-resettable monostable multivibrator. Each multivibrator has  
two trigger/retrigger inputs (nA and nB), a direct reset input (nCD), two complementary outputs (nQ  
and nQ), and two pins (nREXT/CEXT and nCEXT) for connecting the external timing components  
CEXT and REXT. Typical pulse width variation over temperature range is ± 0.2 %. The device  
may be triggered by either the positive or the negative edges of the input pulse. 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 0.7 × REXT × CEXT. The linear design techniques  
guarantee precise control of the output pulse width. A LOW level at nCD terminates the output  
pulse immediately. Schmitt-trigger action in the trigger inputs makes the circuit highly tolerant to  
slower rise and fall times. Inputs include clamp diodes. This enables the use of current limiting  
resistors to interface inputs to voltages in excess of VCC  
.
2. Features and benefits  
Wide supply voltage range from 2.0 to 6.0 V  
CMOS low power dissipation  
CMOS input levels  
High noise immunity  
Tolerant of slow trigger rise and fall times  
Separate reset inputs  
Triggering from falling or rising edge  
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B  
Complies with JEDEC standards  
JESD8C (2.7 V to 3.6 V)  
JESD7A (2.0 V to 6.0 V)  
ESD protection:  
HBM JESD22-A114F exceeds 2000 V  
MM JESD22-A115-A exceeds 200 V  
Specified from -40 °C to +85 °C and from -40 °C to +125 °C  
3. Ordering information  
Table 1. Ordering information  
Type number  
Package  
Temperature range Name  
Description  
Version  
74HC4538D  
-40 °C to +125 °C  
SO16  
plastic small outline package; 16 leads; body width 3.9 mm SOT109-1  
74HC4538PW -40 °C to +125 °C  
TSSOP16 plastic thin shrink small outline package; 16 leads;  
body width 4.4 mm  
SOT403-1  
 
 
 

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