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25A512-I/ST PDF预览

25A512-I/ST

更新时间: 2024-09-17 19:18:23
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
34页 387K
描述
64K X 8 SPI BUS SERIAL EEPROM, PDSO8, 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-8

25A512-I/ST 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOIC包装说明:TSSOP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
Factory Lead Time:6 weeks风险等级:2.08
最大时钟频率 (fCLK):10 MHzJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.4 mm
内存密度:524288 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:65536 words字数代码:64000
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:64KX8
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
认证状态:Not Qualified座面最大高度:1.2 mm
串行总线类型:SPI最大供电电压 (Vsup):3 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

25A512-I/ST 数据手册

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25A512  
512 Kbit SPI Bus Serial EEPROM  
Device Selection Table  
Part Number  
VCC Range  
Page Size  
Temp. Ranges  
Packages  
25A512  
1.7-3.0V  
128 Byte  
I
SN, ST  
Features:  
Description:  
• 10 MHz max. Clock Speed  
• Byte and Page-level Write Operations  
- 128-byte page  
The Microchip Technology Inc. 25A512 is a 512 Kbit  
serial EEPROM memory with byte-level and page-level  
serial EEPROM functions. It also features Page, Sector  
and Chip erase functions typically associated with  
Flash-based products. These functions are not required  
for byte or page write operations. The memory is  
accessed via a simple Serial Peripheral Interface (SPI)  
compatible serial bus. The bus signals required are a  
clock input (SCK) plus separate data in (SI) and data  
out (SO) lines. Access to the device is controlled by a  
Chip Select (CS) input.  
- 5 ms max.  
- No page or sector erase required  
• Low-Power CMOS Technology  
- Max. Write Current: 5 mA at 3.0V, 10 MHz  
- Read Current: 10 mA at 3.0V, 10 MHz  
- Standby Current: 1A at 2.5V (Deep power-  
down)  
• Electronic Signature for Device ID  
• Self-Timed Erase and Write cycles  
- Page Erase (5 ms, typical)  
Communication to the device can be paused via the  
hold pin (HOLD). While the device is paused, transi-  
tions on its inputs will be ignored, with the exception of  
Chip Select, allowing the host to service higher priority  
interrupts.  
- Sector Erase (10 ms/sector, typical)  
- Bulk Erase (10 ms, typical)  
• Sector Write Protection (16K byte/sector)  
- Protect none, 1/4, 1/2 or all of array  
The 25A512 is available in standard packages includ-  
ing 8-lead SOIC and TSSOP packages. All packages  
are Pb-free and RoHS compliant.  
• Built-In Write Protection  
- Power-on/off data protection circuitry  
- Write enable latch  
- Write-protect pin  
• High Reliability  
Package Types (not to scale)  
- Endurance: 1 Million erase/write cycles  
- Data Retention: >200 years  
- ESD Protection: 4000V  
SOIC/TSSOP  
(SN, ST)  
Temperature Ranges Supported;  
- Industrial (I): -40°C to +85°C  
• Pb-free and RoHS Compliant  
CS  
SO  
WP  
VCC  
1
2
3
4
8
7
6
5
HOLD  
SCK  
SI  
VSS  
Pin Function Table  
Name  
Function  
CS  
SO  
Chip Select Input  
Serial Data Output  
WP  
VSS  
SI  
Write-Protect  
Ground  
Serial Data Input  
Serial Clock Input  
SCK  
HOLD  
VCC  
Hold Input  
Supply Voltage  
2010-2011 Microchip Technology Inc.  
Preliminary  
DS22237C-page 1  

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