参数资料
型号: AT28HC256F-12PC
厂商: ATMEL CORP
元件分类: DRAM
英文描述: 256 32K x 8 High Speed Parallel EEPROMs
中文描述: 32K X 8 EEPROM 5V, 120 ns, PDIP28
封装: 0.600 INCH, PLASTIC, MS-011AB, DIP-28
文件页数: 8/16页
文件大小: 445K
代理商: AT28HC256F-12PC
AT28HC256
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.
Write Protect state will be activated at end of
write even if no other data is loaded.
3.
Write Protect state will be deactivated at end of
write period even if no other data is loaded.
4.
1 to 64 bytes of data are loaded.
Software Data Protection
Disable Algorithm
(1)
Software Protected Write Cycle Waveforms
(1)(2)
Notes:
1. A6 through A14 must specify the same page address during each high to low transition of WE (or CE) after the software
code has been entered.
2. OE must be high only when WE and CE are both low.
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA A0
TO
ADDRESS 5555
LOAD DATA XX
TO
ANY ADDRESS
(4)
LOAD LAST BYTE
TO
LAST ADDRESS
ENTER DATA
PROTECT STATE
WRITES ENABLED
(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 20
TO
ADDRESS 5555
LOAD DATA XX
TO
ANY ADDRESS
(4)
LOAD LAST BYTE
TO
LAST ADDRESS
LOAD DATA 55
TO
ADDRESS 2AAA
EXIT DATA
PROTECT STATE
(3)
相关PDF资料
PDF描述
AT28HC256F-12PI 256 32K x 8 High Speed Parallel EEPROMs
AT28HC256F-12SC High Speed CMOS Logic BCD-to-7 Segment Latch/Decoder/Driver 16-SOIC -55 to 125
AT28HC256F-12SI High Speed CMOS Logic BCD-to-7 Segment Latch/Decoder/Driver 16-TSSOP -55 to 125
AT28HC256F-12TC 256 32K x 8 High Speed Parallel EEPROMs
AT28HC256F-12TI High Speed CMOS Logic BCD-to-7 Segment Latch/Decoder/Driver 16-TSSOP -55 to 125
相关代理商/技术参数
参数描述
AT28HC256F-12PI 功能描述:电可擦除可编程只读存储器 256K FAST PROG SDP-120NS IND TEMP RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
AT28HC256F-12SA 功能描述:IC EEPROM 256KBIT 120NS 28SOIC 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
AT28HC256F-12SC 功能描述:电可擦除可编程只读存储器 256K FAST PROG SDP-120NS COM TEMP RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
AT28HC256F-12SI 功能描述:电可擦除可编程只读存储器 256K FAST PROG SDP-120NS IND TEMP RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
AT28HC256F-12TA 功能描述:IC EEPROM 256KBIT 120NS 28TSOP 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