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参数资料
| 型号： | AT45DB011B-XI |
| 厂商： | Atmel |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC FLASH 1MBIT 20MHZ 14TSSOP |
| 标准包装： | 96 |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | DataFLASH |
| 存储容量： | 1M（512 页 x 264 字节） |
| 速度： | 20MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 管件 |
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Features
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Single 2.7V - 3.6V Supply
Serial Peripheral Interface (SPI) Compatible
20 MHz Max Clock Frequency
Page Program Operation
– Single Cycle Reprogram (Erase and Program)
– 512 Pages (264 Bytes/Page) Main Memory
Supports Page and Block Erase Operations
One 264-byte SRAM Data Buffer
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Continuous Read Capability through Entire Array
– Ideal for Code Shadowing Applications
Fast Page Program Time – 7 ms Typical
120 μs Typical Page to Buffer Transfer Time
Low Power Dissipation
– 4 mA Active Read Current Typical
– 2 μA CMOS Standby Current Typical
Hardware Data Protection Feature
100% Compatible with AT45DB011
Commercial and Industrial Temperature Ranges
Green (Pb/Halide-free/RoHS Compliant) Packaging Options
1-megabit
2.7-volt Only
DataFlash ?
AT45DB011B
Description
The AT45DB011B is a 2.7-volt only, serial interface Flash memory ideally suited for
a wide variety of digital voice-, image-, program code- and data-storage applications.
Its 1,081,344 bits of memory are organized as 512 pages of 264 bytes each. In addi-
tion to the main memory, the AT45DB011B also contains one SRAM data buffer of 264
bytes. The buffer allows receiving of data while a page in the main memory is being
reprogrammed. EEPROM emulation (bit or byte alterability) is easily handled with a
self-contained three step Read-Modify-Write operation. Unlike conventional Flash
memories that are accessed randomly with multiple address lines and a parallel inter-
face, the DataFlash uses a SPI serial interface to sequentially access its data. SPI
mode 0 and mode 3 are supported. The simple serial interface facilitates hardware
Pin Configurations
CBGA Top View
through Package
Pin Name
CS
Function
Chip Select
1
2
3
AT45DB011B
SCK
Serial Clock
A
SCK
GND
VCC
Preliminary 16-
B
SI
Serial Input
C
CS RDY/BSY WP
Megabit 2.7-volt
SO
WP
Serial Output
Hardware Page
SO
SI
RESET
Only Serial
RESET
RDY/BUSY
Write Protect Pin
Chip Reset
Ready/Busy
TSSOP Top View
Type 1
DataFlash
RDY/BUSY
1
14
CS
SOIC
RESET
WP
2
3
13
12
NC
NC
SI
SCK
RESET
CS
1
2
3
4
8
7
6
5
SO
GND
VCC
WP
VCC
GND
SCK
SO
4
5
6
7
11
10
9
8
NC
NC
NC
SI
1984J–DFLASH–06/06
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45DB011B-XU | 功能描述:闪存 1M SERIAL 2.7V - IND TEMP RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
| AT45DB011D | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt Minimum DataFlash |
| AT45DB011D_07 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt DataFlash |
| AT45DB011D_08 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt Minimum DataFlash |
| AT45DB011D_09 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt Minimum DataFlash |
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