- 您现在的位置：买卖IC网 > PDF目录4241 > 25AA256T-I/ST (Microchip Technology)IC EEPROM 256KBIT 10MHZ 8TSSOP PDF资料下载
参数资料
| 型号： | 25AA256T-I/ST |
| 厂商： | Microchip Technology |
| 文件页数： | 12/26页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 256KBIT 10MHZ 8TSSOP |
| 标准包装： | 2,500 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 256K (32K x 8) |
| 速度： | 10MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
25AA256/25LC256
2.7
Data Protection
2.8
Power-On State
The following protection has been implemented to
prevent inadvertent writes to the array:
? The write enable latch is reset on power-up
? A write enable instruction must be issued to set
the write enable latch
? After a byte write, page write or STATUS register
write, the write enable latch is reset
? CS must be set high after the proper number of
clock cycles to start an internal write cycle
? Access to the array during an internal write cycle
is ignored and programming is continued
The 25XX256 powers on in the following state:
? The device is in low-power Standby mode
(CS = 1 )
? The write enable latch is reset
? SO is in high-impedance state
? A high-to-low-level transition on CS is required to
enter active state
TABLE 2-1:
WRITE-PROTECT FUNCTIONALITY MATRIX
WEL
(SR bit 1)
0
1
1
1
WPEN
(SR bit 7)
x
0
1
1
WP pin
x
x
0 (low)
1 (high)
Protected Blocks
Protected
Protected
Protected
Protected
Unprotected Blocks
Protected
Writable
Writable
Writable
STATUS Register
Protected
Writable
Protected
Writable
x = don’t care
DS21822F-page 12
? 2007 Microchip Technology Inc.
相关PDF资料 |
PDF描述 |
|---|---|
| RCB105DHBS | CONN EDGECARD 210PS R/A .050 DIP |
| 4272-25P | COVER D-SUB 25-M COND (1000PCS) |
| XC2V500-5FGG256C | IC FPGA VIRTEX-II 500K 256-FBGA |
| RSC65DRTI-S93 | CONN EDGECARD 130PS DIP .100 SLD |
| 4272-15S | COVER D-SUB 15-F COND (1000PCS) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 25AA256T-ISTG | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256XEMF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256XEP | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256XESM | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256XESN | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
发布紧急采购，3分钟左右您将得到回复。