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A6279ELW-T PDF预览

A6279ELW-T

更新时间: 2024-01-17 23:13:27
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

A6279ELW-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:SOP, SOP24,.4
针数:24Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82Is Samacsys:N
数据输入模式:SERIAL显示模式:DOT MATRIX
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:15.4 mm
湿度敏感等级:3复用显示功能:NO
功能数量:1区段数:16
端子数量:24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:SOP24,.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 mmBase Number Matches:1

A6279ELW-T 数据手册

 浏览型号A6279ELW-T的Datasheet PDF文件第3页浏览型号A6279ELW-T的Datasheet PDF文件第4页浏览型号A6279ELW-T的Datasheet PDF文件第5页浏览型号A6279ELW-T的Datasheet PDF文件第7页浏览型号A6279ELW-T的Datasheet PDF文件第8页浏览型号A6279ELW-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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