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AT25320B-MEHL-T PDF预览

AT25320B-MEHL-T

更新时间: 2024-11-24 08:37:35
品牌 Logo 应用领域
爱特美尔 - ATMEL 存储可编程只读存储器
页数 文件大小 规格书
26页 1248K
描述
serial electrically-erasable programmable read-only memory

AT25320B-MEHL-T 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:VSON, SOLCC8,.08,16
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
Factory Lead Time:1 week风险等级:5.72
最大时钟频率 (fCLK):20 MHz数据保留时间-最小值:100
耐久性:1000000 Write/Erase CyclesJESD-30 代码:R-PDSO-N8
JESD-609代码:e4长度:2.2 mm
内存密度:32768 bit内存集成电路类型:EEPROM
内存宽度:8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封装主体材料:PLASTIC/EPOXY
封装代码:VSON封装等效代码:SOLCC8,.08,16
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE
并行/串行:SERIAL电源:2/5 V
认证状态:Not Qualified座面最大高度:0.4 mm
串行总线类型:SPI最大待机电流:0.000006 A
子类别:EEPROMs最大压摆率:0.01 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):1.8 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:NICKEL PALLADIUM GOLD端子形式:NO LEAD
端子节距:0.4 mm端子位置:DUAL
宽度:1.8 mm最长写入周期时间 (tWC):5 ms
写保护:HARDWARE/SOFTWAREBase Number Matches:1

AT25320B-MEHL-T 数据手册

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Features  
Serial Peripheral Interface (SPI) Compatible  
Supports SPI Modes 0 (0,0) and 3 (1,1)  
– Datasheet Describes Mode 0 Operation  
Low-voltage and Standard-voltage Operation  
– 1.8 (VCC = 1.8V to 5.5V)  
20MHz Clock Rate (5V)  
32-byte Page Mode  
Block Write Protection  
SPI Serial  
EEPROMs  
32K (4096 x 8)  
64K (8192 x 8)  
– Protect 1/4, 1/2, or Entire Array  
Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software  
Data Protection  
Self-timed Write Cycle (5ms max)  
High Reliability  
– Endurance: One Million Write Cycles  
– Data Retention: 100 Years  
Green (Pb/Halide-free/RoHS Compliant) Packaging Options  
Die Sales: Wafer Form, Tape and Reel, and Bumped Wafers  
Atmel  
Description  
AT25320B  
AT25640B  
The Atmel® AT25320B/640B provides 32768-/65536-bits of serial electrically-erasable  
programmable read-only memory (EEPROM) organized as 4096/8192 words of 8-bits  
each. The device is optimized for use in many industrial and commercial applications  
where low-power and low-voltage operation are essential. The AT25320B/640B is  
available in space-saving 8-lead JEDEC SOIC, 8-lead UDFN, 8-lead XDFN, 8-lead  
TSSOP, and 8-ball VFBGA packages.  
The AT25320B/640B is enabled through the Chip Select pin (CS) and accessed via a  
three-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and  
Serial Clock (SCK). All programming cycles are completely self-timed, and no sepa-  
rate erase cycle is required before write.  
Table 0-1.  
Pin Configuration  
8-lead SOIC  
8-lead TSSOP  
Pin Name Function  
CS  
SO  
VCC  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
1
2
3
4
8
7
6
5
HOLD  
SCK  
SI  
HOLD  
SCK  
SI  
CS  
Chip Select  
WP  
WP  
SCK  
SI  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
GND  
GND  
8-lead UDFN  
8-lead XDFN  
SO  
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
VCC  
CS  
SO  
VCC  
CS  
GND  
VCC  
WP  
HOLD  
SCK  
SI  
HOLD  
SCK  
SI  
SO  
Power Supply  
Write Protect  
WP  
WP  
GND  
GND  
Bottom View  
Bottom View  
HOLD  
Suspends Serial Input  
8-ball VFBGA  
VCC  
8
7
6
5
1
2
3
4
CS  
SO  
HOLD  
SCK  
SI  
WP  
GND  
8535F–SEEPR–6/10  
Bottom View  

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