参数资料
| 型号： | CAT25320VI-G |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/19页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 32KBIT 10MHZ 8SOIC |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 32K (4K 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-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 808 (CN2011-ZH PDF) |
CAT25320
Byte Write
Once the WEL bit is set, the user may execute a write
sequence, by sending a WRITE instruction, a 16 ? bit address
and data as shown in Figure 5. Only 12 significant address
bits are used by the CAT25320. The rest are don’t care bits,
as shown in Table 13. Internal programming will start after
the low to high CS transition. During an internal write cycle,
all commands, except for RDSR (Read Status Register) will
be ignored. The RDY bit will indicate if the internal write
cycle is in progress (RDY high), or the device is ready to
accept commands (RDY low).
Table 13. BYTE ADDRESS
Page Write
After sending the first data byte to the CAT25320, the host
may continue sending data, up to a total of 32 bytes,
according to timing shown in Figure 6. After each data byte,
the lower order address bits are automatically incremented,
while the higher order address bits (page address) remain
unchanged. If during this process the end of page is
exceeded, then loading will “roll over” to the first byte in the
page, thus possibly overwriting previously loaded data.
Following completion of the write cycle, the CAT25320 is
automatically returned to the write disable state.
CAT25320
Device
Address Significant Bits
A11 ? A0
Address Don’t Care Bits
A15 ? A12
# Address Clock Pulses
16
CS
0
1
2
3
4
5
6
7
8
21
22 23
24
25
26 27
28
29
30 31
SCK
OPCODE
BYTE ADDRESS*
DATA IN
SI
0
0
0
0
0
0
1
0
A N
A 0 D7 D6 D5 D4 D3 D2 D1 D0
SO
HIGH IMPEDANCE
Dashed Line = mode (1, 1)
* Please check the Byte Address Table (Table 13)
Figure 5. Byte WRITE Timing
CS
0
1
2
3
4
5
6
7
8
21
22
23 24 ? 31 3 2 ? 39 24+(N ? 1)x8 ? 1 .. 24+(N ? 1)x8
SCK
24+Nx8 ? 1
OPCODE
BYTE ADDRESS*
DATA IN
Data Byte N
SI
0
0
0
0
0
0
1
0
A N
A 0
Data Data Data
Byte 1 Byte 2 Byte 3
7..1
0
SO
Dashed Line = mode (1, 1)
HIGH IMPEDANCE
* Please check the Byte Address Table (Table 13)
Figure 6. Page WRITE Timing
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT25320VI-GT3 | 功能描述:电可擦除可编程只读存储器 32K SPI Serial 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 |
| CAT25320VP2I-GT3 | 功能描述:电可擦除可编程只读存储器 (4Kx8) 32K 1.8-5.5V 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 |
| CAT25320YGI | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT25320YGI-26711 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT25320YI-G | 功能描述:电可擦除可编程只读存储器 (4Kx8) 32K 1.8-5.5V 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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