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A6278EA-T PDF预览

A6278EA-T

更新时间: 2024-02-14 08:13:09
品牌 Logo 应用领域
急速微 - ALLEGRO 显示驱动器驱动程序和接口接口集成电路光电二极管信息通信管理
页数 文件大小 规格书
18页 621K
描述
Serial-Input Constant-Current Latched LED Drivers with Open LED Detection

A6278EA-T 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:LEAD FREE, MS-013AA, SOIC-16
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83数据输入模式:SERIAL
显示模式:DOT MATRIX接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:10.3 mm湿度敏感等级:3
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:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Display Drivers
最大供电电压:5.5 V最小供电电压:3 V
标称供电电压:5 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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:40宽度:7.5 mm
Base Number Matches:1

A6278EA-T 数据手册

 浏览型号A6278EA-T的Datasheet PDF文件第3页浏览型号A6278EA-T的Datasheet PDF文件第4页浏览型号A6278EA-T的Datasheet PDF文件第5页浏览型号A6278EA-T的Datasheet PDF文件第7页浏览型号A6278EA-T的Datasheet PDF文件第8页浏览型号A6278EA-T的Datasheet PDF文件第9页 
A6278 and  
A6279  
Serial-Input, Constant-Current Latched  
LED Drivers with Open LED Detection  
Normal Mode Timing Requirements  
0
1
n
CLOCK  
thigh  
t
low  
SERIAL  
SDI n  
tSU(D) tH(D)  
SDI n-1  
SDI 0  
DATA IN  
SERIAL  
SDO n  
Don't Care  
DATA OUT  
tp(DO)  
LATCH  
ENABLE  
A6278, n = 7  
A6279, n = 15  
tSU(LE) tH(LE)  
tW(OE)  
OUTPUT  
ENABLE  
tW(OE)  
tSU(OE)  
OUT0  
OUT1  
Don't Care  
Don't Care  
Don't Care  
tP(OE)  
tP(OE)  
Logic Levels: VDD and GND  
tD  
tD  
OUTn  
tD(Total)  
tD(Total)  
LED Open Circuit Detection (Test) Mode Timing Requirements  
(A) To enter LED OCD mode, a minimum of one CLOCK pulse is required after LATCH ENABLE is brought back low.  
CLOCK  
1
thigh tlow  
OUTPUT  
ENABLE  
tSU(OE1)  
tH(OE1)  
LATCH  
ENABLE  
tSU(LE1)  
tH(LE1)  
(B) To output the latched error code, OUTPUT ENABLE must be held low a minimum of 3 CLOCK cycles.  
3
2
CLOCK  
1
tW(OE1)  
OUTPUT  
ENABLE  
A6278, n = 7  
A6279, n = 15  
SERIAL  
SDO n  
SDO n-1 SDO n-2  
SDO 0  
Don't Care  
DATA OUT  
(C) When returning to Normal mode, a minimum of three CLOCK pulses is required after OUTPUT ENABLE is brought back high.  
1
2
3
CLOCK  
thigh tlow  
OUTPUT  
ENABLE  
tSU(OE1)  
tH(OE1)  
Logic Levels: VDD and GND  
LATCH  
ENABLE  
Allegro MicroSystems, Inc.  
6
115 Northeast Cutoff, Box 15036  
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  

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