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24AA256UID-I/ST PDF预览

24AA256UID-I/ST

更新时间: 2024-11-04 19:39:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟光电二极管内存集成电路
页数 文件大小 规格书
30页 435K
描述
I2C/2-WIRE SERIAL EEPROM

24AA256UID-I/ST 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TSSOP-8Reach Compliance Code:compliant
Factory Lead Time:6 weeks风险等级:1.99
最大时钟频率 (fCLK):0.4 MHzJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.4 mm
内存密度:262144 bit内存集成电路类型:EEPROM
内存宽度:8湿度敏感等级:1
功能数量:1端子数量:8
字数:32768 words字数代码:32000
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:32KX8
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
并行/串行:SERIAL峰值回流温度(摄氏度):260
筛选级别:TS 16949座面最大高度:1.2 mm
串行总线类型:I2C最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):1.7 V标称供电电压 (Vsup):2.5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn) - annealed
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:40
宽度:3 mm最长写入周期时间 (tWC):5 ms
Base Number Matches:1

24AA256UID-I/ST 数据手册

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24AA256UID  
256K I2C Serial EEPROM with EUI-48, EUI-64and  
Unique 32-Bit Serial Number  
Device Selection Table  
VCC  
Range  
Max. Clock  
Frequency  
Temp.  
Ranges  
Page  
Size  
Unique ID  
Length  
Part Number  
EUI-48™  
EUI-64™  
24AA256UID  
1.7V-5.5V  
400 kHz(1)  
I
64-byte  
Yes  
Yes  
32-bit  
Note 1: 100 kHz for VCC < 2.5V.  
Features  
Description  
• Pre-Programmed 32-Bit Serial Number:  
- Unique across all UID-family EEPROMs  
The Microchip Technology Inc. 24AA256UID is a  
32K x 8 (256 Kbit) Serial Electrically Erasable PROM  
with pre-programmed EUI-48 and EUI-64 node  
addresses and a 32-bit Unique ID, capable of operation  
across a broad voltage range (1.7V to 5.5V). This  
device also has a page write capability of up to 64 bytes  
of data. This device is available in the standard 8-pin  
plastic DIP, SOIC and TSSOP packages.  
- Scalable to 48-bit, 64-bit, 128-bit, 256-bit,  
and other lengths  
• Pre-Programmed Globally Unique, 48-bit or 64-bit  
Node Address:  
- Compatible with EUI-48and EUI-64™  
• Codes Stored in Permanently Write-Protected  
Upper 1/8th of EEPROM Array  
Block Diagram  
• Single Supply with Operation Down to 1.7V  
• Low-Power CMOS Technology:  
- Active current 400 µA, typical  
A0 A1A2  
HV Generator  
- Standby current 100 nA, typical  
• 2-Wire Serial Interface, I2C Compatible  
• Cascadable up to Eight Devices  
• Schmitt Trigger Inputs for Noise Suppression  
• Output Slope Control to Eliminate Ground Bounce  
• 100 kHz and 400 kHz Clock Compatibility  
• Page Write Time 5 ms Maximum  
• Self-Timed Erase/Write Cycle  
I/O  
Control  
Logic  
Memory  
Control  
Logic  
EEPROM  
Array  
XDEC  
Page Latches  
I/O  
SCL  
YDEC  
SDA  
VCC  
VSS  
• 64-Byte Page Write Buffer  
Sense Amp.  
R/W Control  
• ESD Protection >4000V  
• More than One Million Erase/Write Cycles  
• Data Retention >200 years  
Package Types  
• Packages Include 8-lead PDIP, SOIC and TSSOP  
• RoHS Compliant  
PDIP  
SOIC/TSSOP  
Temperature Ranges:  
A0  
1
8
VCC  
1
2
3
4
8
7
6
5
A0  
A1  
VCC  
NC  
- Industrial (I): -40°C to +85°C  
A1  
A2  
2
3
7
6
NC  
SCL  
A2  
SCL  
SDA  
VSS  
4
5
SDA  
VSS  
2013-2016 Microchip Technology Inc.  
DS20005215C-page 1  
 

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