参数资料
型号: AT29C040A
厂商: Atmel Corp.
英文描述: 512K x 8 5-volt Only 256-Byte Sector Flash Memory(512K x 8 5V 256字节扇区闪速存储器)
中文描述: 为512k × 8 5伏只有256字节的扇区闪存(为512k × 8 5V的256字节扇区闪速存储器)
文件页数: 8/16页
文件大小: 152K
代理商: AT29C040A
AT29C040A
8
Software Data Protection
Enable Algorithm
(1)
Notes for software program code:
1.
Data Format: I/O7 - I/O0 (Hex);
Address Format: A14 - A0 (Hex).
2.
Data Protect state will be activated at end of pro-
gram cycle.
3.
Data Protect state will be deactivated at end of pro-
gram period.
4.
256 bytes of data
MUST BE
loaded.
Software Data Protection
Disable Algorithm
(1)
Software Protected Program Cycle Waveform
(1)(2)(3)
Notes:
1.
A8 through A18 must specify the sector address during each high to low transition of WE (or CE) after the software code
has been entered.
OE must be high when WE and CE are both low.
All bytes that are not loaded within the sector being programmed will be indeterminate.
2.
3.
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA A0
TO
ADDRESS 5555
LOAD DATA
TO
PAGE (256 BYTES)
(4)
WRITES ENABLED
ENTER DATA
PROTECT STATE
(2)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 80
TO
ADDRESS 5555
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 20
TO
ADDRESS 5555
LOAD DATA
TO
PAGE (256 BYTES)
(4)
EXIT DATA
PROTECT STATE
(3)
相关PDF资料
PDF描述
AT29C1024-70 1 Megabit 64K x 16 5-volt Only CMOS Flash Memory
AT29C1024 1 Megabit 64K x 16 5-volt Only CMOS Flash Memory
AT29C1024-12 1 Megabit 64K x 16 5-volt Only CMOS Flash Memory
AT29C1024-12JC 1 Megabit 64K x 16 5-volt Only CMOS Flash Memory
AT29C1024-12JI 1 Megabit 64K x 16 5-volt Only CMOS Flash Memory
相关代理商/技术参数
参数描述
AT29C040A_08 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-megabit (512K x 8) 5-volt Only 256-byte Sector Flash Memory
AT29C040A-10 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 5-volt Only 256-Byte Sector CMOS Flash Memory
AT29C040A-10PC 功能描述:IC FLASH 4MBIT 100NS 32DIP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:32 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (128K x 8) 速度:120ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:32-LCC(J 形引线) 供应商设备封装:32-PLCC 包装:管件 其它名称:AT49BV00112JC
AT29C040A-10PI 功能描述:IC FLASH 4MBIT 100NS 32DIP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:32 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (128K x 8) 速度:120ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:32-LCC(J 形引线) 供应商设备封装:32-PLCC 包装:管件 其它名称:AT49BV00112JC
AT29C040A-10TC 功能描述:闪存 4M 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