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参数资料
| 型号： | AT49F002NT-70TI |
| 厂商： | ATMEL CORP |
| 元件分类： | DRAM |
| 英文描述： | LM4852 Boomer ® Audio Power Amplifier Series Integrated Audio Amplifier System; Package: MICRO SMD; No of Pins: 18 |
| 中文描述： | 256K X 8 FLASH 5V PROM, 70 ns, PDSO32 |
| 封装： | 8 X 20 MM, PLASTIC, TSOP-32 |
| 文件页数： | 1/20页 |
| 文件大小： | 213K |
| 代理商： | AT49F002NT-70TI |
Features
Single-voltage Operation
– 5V Read
– 5V Reprogramming
Fast Read Access Time – 55 ns
Internal Program Control and Timer
Sector Architecture
– One 16K Bytes Boot Block with Programming Lockout
– Two 8K Bytes Parameter Blocks
– Four Main Memory Blocks (One 32K Bytes, Three 64K Bytes)
Fast Erase Cycle Time – 4 Seconds
Byte-by-Byte Programming – 20 μs/Byte Typical
Hardware Data Protection
DATA Polling for End of Program Detection
Low Power Dissipation
– 25 mA Active Current
– 100 μA CMOS Standby Current
Typical 10,000 Write Cycles
Green (Pb/Halide-free) Packaging Option
1.
The AT49F002A(N)(T) is a 5-volt only in-system reprogrammable Flash memory. Its
2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with
Atmel’s advanced nonvolatile CMOS technology, the device offers access times to
55 ns with power dissipation of just 137 mW over the industrial temperature range.
Description
When the device is deselected, the CMOS standby current is less than 100 μA. For
the AT49F002AN(T) pin 1 for the PLCC package and pin 9 for the TSOP package are
no connect pins.
To allow for simple in-system reprogrammability, the AT49F002A(N)(T) does not
require high input voltages for programming. Five-volt-only commands determine the
read and programming operation of the device. Reading data out of the device is sim-
ilar to reading from an EPROM; it has standard CE, OE, and WE inputs to avoid bus
contention. Reprogramming the AT49F002A(N)(T) is performed by erasing a block of
data and then programming on a byte-by-byte basis. The byte programming time is a
fast 20 μs. The end of a program cycle can be optionally detected by the DATA polling
feature. Once the end of a byte program cycle has been detected, a new access for a
read or program can begin. The typical number of program and erase cycles is in
excess of 10,000 cycles.
The device is erased by executing the erase command sequence; the device inter-
nally controls the erase operations. There are two 8K byte parameter block sections,
four main memory blocks, and one boot block.
The device has the capability to protect the data in the boot block; this feature is
enabled by a command sequence. The 16K-byte boot block section includes a repro-
gramming lock out feature to provide data integrity. The boot sector is designed to
contain user secure code, and when the feature is enabled, the boot sector is pro-
tected from being reprogrammed.
2-megabit
(256K x 8)
5-volt Only
Flash Memory
AT49F002A
AT49F002AN
AT49F002AT
AT49F002ANT
3354F–FLASH–2/05
相关PDF资料 |
PDF描述 |
|---|---|
| AT49F002NT-70VC | LM4852 Boomer ® Audio Power Amplifier Series Integrated Audio Amplifier System; Package: LLP; No of Pins: 24 |
| AT49F002NT-70VI | LM4852 Boomer ® Audio Power Amplifier Series Integrated Audio Amplifier System; Package: LLP; No of Pins: 24 |
| AT49F002NT-90JC | LM4853 Boomer ® Audio Power Amplifier Series Mono 1.5 W / Stereo 300mW Power Amplifier; Package: LLP; No of Pins: 14 |
| AT49F002NT-90JI | 2-Megabit 256K x 8 5-volt Only Flash Memory |
| AT49F002NT-90PC | LM4853 Boomer ® Audio Power Amplifier Series Mono 1.5 W / Stereo 300mW Power Amplifier; Package: MINI SOIC; No of Pins: 10 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT49F002NT-70VC | 功能描述:IC FLASH 2MBIT 70NS 32VSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘 |
| AT49F002NT-70VI | 功能描述:IC FLASH 2MBIT 70NS 32VSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘 |
| AT49F002NT-90JC | 功能描述:闪存 256K x 8 (2M bit) 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 |
| AT49F002NT-90JI | 功能描述:IC FLASH 2MBIT 90NS 32PLCC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘 |
| AT49F002NT-90PC | 功能描述:IC FLASH 2MBIT 90NS 32DIP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘 |
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