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HEF4794BT PDF预览

HEF4794BT

更新时间: 2024-11-07 11:13:43
品牌 Logo 应用领域
安世 - NEXPERIA 光电二极管
页数 文件大小 规格书
14页 246K
描述
8-stage shift-and-store register LED driverProduction

HEF4794BT 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
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.58数据输入模式:SERIAL
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:9.9 mm
湿度敏感等级:1复用显示功能:NO
功能数量:1区段数:8
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:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE筛选级别:AEC-Q100
座面最大高度:1.75 mm最大供电电压:15 V
最小供电电压:3 V标称供电电压:5 V
表面贴装:YES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 mm最小 fmax:14 MHz
Base Number Matches:1

HEF4794BT 数据手册

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HEF4794B  
8-stage shift-and-store register LED driver  
Rev. 10 — 6 January 2022  
Product data sheet  
1. General description  
The HEF4794B is an 8-stage serial shift register. It has a storage latch associated with each  
stage for strobing data from the serial input (D) to the parallel LED driver outputs (QP0 to QP7).  
Data is shifted on the positive-going clock (CP) transitions. The data in each shift register stage  
is transferred to the storage register when the strobe input (STR) is HIGH. Data in the storage  
register appears at the outputs whenever the output enable input (OE) signal is HIGH.  
Two serial outputs (QS1 and QS2) are available for cascading a number of HEF4794B devices.  
Serial data is available at QS1 on positive-going clock edges to allow high-speed operation in  
cascaded systems with a fast clock rise time. The same serial data is available at QS2 on the next  
negative going clock edge. This is used for cascading HEF4794B devices when the clock has a  
slow rise time.  
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  
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-A exceeds 200 V  
Specified from -40 °C to +85 °C and -40 °C to +125 °C  
 
 

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