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25LC320I/ST PDF预览

25LC320I/ST

更新时间: 2024-11-05 22:08:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 内存集成电路光电二极管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
页数 文件大小 规格书
24页 369K
描述
32K SPI Bus Serial EEPROM

25LC320I/ST 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:TSSOP
包装说明:TSSOP,针数:8
Reach Compliance Code:compliant风险等级:5.51
Is Samacsys:N其他特性:DATA RETENTION >200 YEARS; ESD PROTECTION >4KV; 1000K ENDURANCE CYCLES
最大时钟频率 (fCLK):2 MHzJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.4 mm
内存密度:32768 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:4096 words字数代码:4000
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:4KX8
输出特性:3-STATE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:1.1 mm串行总线类型:SPI
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN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 msBase Number Matches:1

25LC320I/ST 数据手册

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25AA320/25LC320/25C320  
32K SPIBus Serial EEPROM  
Device Selection Table  
Description:  
The Microchip Technology Inc. 25AA320/25LC320/  
Part  
Number  
VCC  
Range  
Max. Clock  
Frequency  
Temp.  
Ranges  
25C320 (25XX320*) are 32 Kbit serial Electrically  
Erasable PROMs. 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 through a Chip  
Select (CS) input.  
25AA320  
25LC320  
25C320  
1.8-5.5V  
2.5-5.5V  
4.5-5.5V  
1 MHz  
2 MHz  
3 MHz  
I
I,E  
I,E  
Features:  
Communication to the device can be paused via the  
hold pin (HOLD). While the device is paused,  
transitions on its inputs will be ignored, with the  
exception of Chip Select, allowing the host to service  
higher priority interrupts.  
• Low-power CMOS technology:  
- Write current: 3 mA maximum  
- Read current: 500 µA typical  
- Standby current: 500 nA typical  
• 4096 x 8 bit organization  
• 32 byte page  
Block Diagram  
Status  
• Write cycle time: 5 ms maximum  
• Self-timed erase and write cycles  
• Block write protection:  
HV Generator  
Register  
- Protect none, 1/4, 1/2 or all of array  
• Built-in write protection:  
EEPROM  
Memory  
- Power on/off data protection circuitry  
- Write enable latch  
I/O Control  
Logic  
Array  
Control  
Logic  
XDEC  
- Write-protect pin  
Page  
Latches  
• Sequential read  
• High reliability:  
- Endurance: 1M E/W cycles  
- Data retention: > 200 years  
- ESD protection: > 4000V  
• 8-pin PDIP, SOIC and TSSOP packages  
• 14-lead TSSOP package  
Temperature ranges supported:  
SI  
Y Decoder  
SO  
CS  
SCK  
Sense Amp.  
R/W Control  
HOLD  
WP  
- Industrial (I):  
-40°C to +85°C  
VCC  
VSS  
- Automotive (E):  
-40°C to +125°C  
Package Types  
PDIP, SOIC  
TSSOP  
TSSOP  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
VCC  
CS  
SO  
CS  
1
8
VCC  
1
8
7
HOLD  
VCC  
SCK  
SI  
HOLD  
NC  
NC  
2
3
4
SO  
WP  
VSS  
2
3
4
7
6
5
HOLD  
SCK  
SI  
NC  
NC  
NC  
WP  
6
5
CS  
SO  
VSS  
WP  
NC  
SCK  
SI  
8
VSS  
*25XX320 is used in this document as a generic part number for the 25AA320/25LC320/25C320 devices.  
2004 Microchip Technology Inc.  
DS21227E-page 1  

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