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AT49BV2048A-90TI PDF预览

AT49BV2048A-90TI

更新时间: 2024-09-30 22:15:35
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存电池存储内存集成电路光电二极管异步传输模式ATM
页数 文件大小 规格书
17页 253K
描述
2-megabit (256K x 8/128K x 16) Single 2.7-volt Battery-Voltage⑩ Flash Memory

AT49BV2048A-90TI 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:TSOP1包装说明:12 X 20 MM, PLASTIC, TSOP1-48
针数:48Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.92最长访问时间:90 ns
备用内存宽度:8启动块:BOTTOM
命令用户界面:YES数据轮询:YES
JESD-30 代码:R-PDSO-G48JESD-609代码:e0
长度:18.4 mm内存密度:2097152 bit
内存集成电路类型:FLASH内存宽度:16
功能数量:1部门数/规模:1,2,1
端子数量:48字数:131072 words
字数代码:128000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:128KX16封装主体材料:PLASTIC/EPOXY
封装代码:TSOP1封装等效代码:TSSOP48,.8,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
并行/串行:PARALLEL峰值回流温度(摄氏度):240
电源:3/3.3 V编程电压:2.7 V
认证状态:Not Qualified座面最大高度:1.2 mm
部门规模:8K,4K,112K最大待机电流:0.00005 A
子类别:Flash Memories最大压摆率:0.025 mA
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30切换位:YES
类型:NOR TYPE宽度:12 mm
Base Number Matches:1

AT49BV2048A-90TI 数据手册

 浏览型号AT49BV2048A-90TI的Datasheet PDF文件第2页浏览型号AT49BV2048A-90TI的Datasheet PDF文件第3页浏览型号AT49BV2048A-90TI的Datasheet PDF文件第4页浏览型号AT49BV2048A-90TI的Datasheet PDF文件第5页浏览型号AT49BV2048A-90TI的Datasheet PDF文件第6页浏览型号AT49BV2048A-90TI的Datasheet PDF文件第7页 
Features  
Single-voltage Read/Write Operation: 2.7V to 3.6V (BV), 3.0V to 3.6V (LV)  
Fast Read Access Time – 70 ns  
Internal Erase/Program Control  
Sector Architecture  
– One 8K Word (16K Bytes) Boot Block with Programming Lockout  
– Two 4K Word (8K Bytes) Parameter Blocks  
– One 112K Word (224K Bytes) Main Memory Array Block  
Fast Sector Erase Time – 10 Seconds  
Byte-by-byte or Word-by-word Programming – 30 µs Typical  
Hardware Data Protection  
Data Polling for End of Program Detection  
Low Power Dissipation  
– 25 mA Active Current  
– 50 µA CMOS Standby Current  
Typical 10,000 Write Cycles  
2-megabit  
(256K x 8/  
128K x 16)  
Single 2.7-volt  
Battery-Voltage™  
Flash Memory  
Description  
The AT49BV/LV2048A is a 3-volt, 2-megabit Flash memory organized as 262,144  
words of 8 bits each or 128K words of 16 bits each. Manufactured with Atmel’s  
advanced nonvolatile CMOS technology, the device offers access times to 70 ns with  
power dissipation of just 67 mW at 2.7V read. When deselected, the CMOS standby  
current is less than 50 µA.  
The device contains a user-enabled “boot block” protection feature. The  
AT49BV/LV2048A locates the boot block at lowest order addresses (“bottom boot”).  
AT49BV2048A  
AT49LV2048A  
To allow for simple in-system reprogrammability, the AT49BV/LV2048A does not  
require high input voltages for programming. Reading data out of the device is similar  
to reading from an EPROM; it has standard CE, OE and WE inputs to avoid bus con-  
tention. Reprogramming the AT49BV/LV2048A is performed by first erasing a block of  
data and then programming on a byte-by-byte or word-by-word basis.  
Pin Configurations  
Pin Name  
A0 - A16  
CE  
Function  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Reset  
OE  
WE  
RESET  
VPP  
VPP can be left unconnected or connected to VCC, GND, 5V or  
12V. The input has no effect on the operation of the device.  
I/O0 - I/O15  
I/O15(A-1)  
Data Inputs/Outputs  
I/O15 (Data Input/Output, Word Mode)  
A-1 (LSB Address Input, Byte Mode)  
BYTE  
NC  
Selects Byte or Word Mode  
No Connect  
Rev. 1914D–FLASH–03/02  

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