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参数资料
| 型号： | PCA24S08AD,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 8KBIT 400KHZ 8SOIC |
| 标准包装： | 2,500 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 8K (1K x 8) |
| 速度： | 400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
NXP Semiconductors
PCA24S08A
1024 × 8-bit CMOS EEPROM with access protection
Bit 0 in the same byte emulates a TAMPER bit and is always equal to 0. TAMPER is a
read-only bit. Attempt to write a ‘1’ to this bit will be ignored.
Byte 11 through byte 14 are currently reserved and should not be used by the system.
Byte 14 may not be written by the device at any time.
Byte 11 to byte 13 are read/write bytes that are stored in the EEPROM.
Byte 14 is a read-only byte and the returned value during a read operation is FFh. A write
on it is acknowledged, but the write will be ignored.
1
0
1
1
1
0
0
0
0
0
0
P0 A3 A2 A1 A0
D7 D6 D5 D4 D3 D2 D1 D0
a. Write operations
P0 is used to distinguish between
the APP and RFID pages:
0 = APP pages
1 = RFID pages
002aae843
1
0
1
1
1
0
0
1
D7 D6 D5 D4 D3 D2 D1 D0
002aae844
b. Read operations
Fig 11. Device access examples
Byte 15 contains device revision information stored in the EEPROM. It is set at the wafer
production facility and cannot be changed in the field, so any write to this byte will be
ignored but acknowledged. The value of this byte is 10h.
The memory map for the Access Protection Page is shown in Table 5 “ APP memory map ” .
In this table, an ‘X’ means that the value is a ‘Don’t care’ upon writing, and that it is
undefined upon reading. The PB fields are all 2 bits wide, and the Device Revision field is
8 bits wide. All other fields are 1 bit wide.
With the exception of the 9 Sticky Bits (SB), the two coil detect bits (DE and DC), the
tamper bit (TAMPER), and bytes 14 and 15, all bits within the Access Protection Page are
stored in EEPROM memory. Their state does not change if power is removed or when the
PROT pin is held LOW.
The following page of memory (accessed with A4 = 1) emulate the ID field that would be
transmitted by the device from the RFID port. Bytes within it are accessed with the
address byte at B8h or B9h (write/read). Reading and writing to this page is permitted
when PBAP is 11.
PCA24S08A_1
? NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 — 19 January 2010
12 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA24S08ADP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:1024 x 8-bit CMOS EEPROM with access protection |
| PCA24S08ADP,118 | 功能描述:电可擦除可编程只读存储器 CMOS 电可擦除可编程只读存储器 W/ACCESS PROTECTION 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 |
| PCA24S08D | 功能描述:电可擦除可编程只读存储器 1024X8 CMOS 电可擦除可编程只读存储器 ACCESS PROT 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 |
| PCA24S08D,112 | 功能描述:电可擦除可编程只读存储器 1024X8 CMOS 电可擦除可编程只读存储器 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 |
| PCA24S08D,118 | 功能描述:电可擦除可编程只读存储器 1024X8 CMOS 电可擦除可编程只读存储器 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 |
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