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参数资料
| 型号： | AT45DB321C-TU |
| 厂商： | Atmel |
| 文件页数： | 1/40页 |
| 文件大小： | 0K |
| 描述： | IC FLASH 32MBIT 40MHZ 28TSOP |
| 标准包装： | 234 |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | DataFLASH |
| 存储容量： | 32M（8192 页 x 528 字节） |
| 速度： | 40MHz |
| 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： | 28-TSSOP（0.465"，11.8mm 宽） |
| 供应商设备封装： | 28-TSOP |
| 包装： | 托盘 |
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Features
? Single 2.7 - 3.6V Supply
? RapidS ? Serial Interface: 40 MHz Maximum Clock Frequency
(SPI Modes 0 and 3 Compatible for Frequencies Up to 33 MHz)
? Page Program
– 8192 Pages (528 Bytes/Page)
? Automated Erase Operations
– Page Erase 528 Bytes
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– Block Erase 4,224 Bytes
Two 528-byte SRAM Data Buffers – Allows Receiving of Data
while Reprogramming the Flash Array
Continuous Read Capability through Entire Array
– Ideal for Code Shadowing Applications
Low-power Dissipation
– 10 mA Active Read Current Typical
– 6 μA Standby Current Typical
Hardware and Software Data Protection Features
– Individual Sector Locking
Security: 128-byte Security Register
– 64-byte User Programmable Space
– Unique 64-byte Device Identifier
JEDEC Standard Manufacturer and Device ID Read
100,000 Program/Erase Cycles per Page Minimum
Data Retention – 20 years
Commercial and Industrial Temperature Ranges
Green (Pb/Halide-free/RoHS Compliant) Packaging Options
32-megabit
2.7 volt
DataFlash ?
AT45DB321C
For New
Designs Use
AT45DB321D
1. Description
The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited
for a wide variety of digital voice-, image-, program code- and data-
storage applications. The AT45DB321C supports a 4-wire serial interface known as
RapidS for applications requiring very high speed operations.
Its 34,603,008 bits of memory are organized as 8192 pages of 528 bytes each. In
addition to the 33-megabit main memory, the AT45DB321C also contains two SRAM
buffers of 528 bytes each.
The buffers allow the receiving of data while a page in the main page Memory is being
reprogrammed, as well as writing a continuous data stream. 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 mul-
tiple address lines and a parallel interface, the DataFlash uses a RapidS serial
interface to sequentially access its data. The simple sequential access dramatically
reduces active pin count, facilitates hardware layout, increases system reliability, min-
imizes switching noise, and reduces package size. The device is optimized for use in
many commercial and industrial applications where high-density, low-pin count, low-
voltage and low-power are essential. The device operates at clock frequencies up to
40 MHz with a typical active read current consumption of 10 mA.
3387M–DFLASH–2/08
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45DB321D | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2.7V 32Mbit dataflash |
| AT45DB321D_07 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:32-megabit 2.7-volt DataFlash |
| AT45DB321D_08 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:32-megabit 2.7-volt DataFlash |
| AT45DB321D_09 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:32-megabit 2.7-volt DataFlash |
| AT45DB321D_12 | 制造商:AD 制造商全称:Analog Devices 功能描述:32Mb, 2.5V or 2.7V DataFlash |
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