参数资料
| 型号： | CAV24C32WE-GT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/10页 |
| 文件大小： | 0K |
| 描述： | EEPROM I2C SER 32KB I2C 8SOIC |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 32K (4K x 8) |
| 速度： | 100kHz，400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 标准包装 |
| 其它名称： | CAV24C32WE-GT3OSDKR |
CAV24C32
READ OPERATIONS
Immediate Read
To read data from memory, the Master creates a START
condition on the bus and then broadcasts a Slave address
with the R/W bit set to ‘1’. The Slave responds with ACK
and starts shifting out data residing at the current address.
After receiving the data, the Master responds with NoACK
and terminates the session by creating a STOP condition on
the bus (Figure 10). The Slave then returns to Standby mode.
Selective Read
To read data residing at a speci ? c address, the selected
address must ? rst be loaded into the internal address register.
This is done by starting a Byte Write sequence, whereby the
Master creates a START condition, then broadcasts a Slave
address with the R/W bit set to ‘0’ and then sends two
address bytes to the Slave. Rather than completing the Byte
Write sequence by sending data, the Master then creates a
START condition and broadcasts a Slave address with the
R/W bit set to ‘1’. The Slave responds with ACK after every
byte sent by the Master and then sends out data residing at
the selected address. After receiving the data, the Master
responds with NoACK and then terminates the session by
creating a STOP condition on the bus (Figure 11).
Sequential Read
If, after receiving data sent by the Slave, the Master
responds with ACK, then the Slave will continue
transmitting until the Master responds with NoACK
followed by STOP (Figure 12). During Sequential Read the
internal byte address is automatically incremented up to the
end of memory, where it then wraps around to the beginning
of memory.
SCL
BUS ACTIVITY
MASTER
SLAVE
8
S
T
A
R
T
S
SLAVE
ADDRESS
A
C
K
9
DATA
BYTE
N
O
S
A T
C O
K P
P
SDA
8th Bit
DATA OUT
NO ACK
STOP
Figure 10. Immediate Read Sequence and Timing
BUS ACTIVITY: S
T
A
MASTER R
T
SLAVE
ADDRESS
ADDRESS
BYTE
ADDRESS
BYTE
S
T
A
R
T
SLAVE
ADDRESS
N
O
A
C
K
S
T
O
P
S
S
P
SLAVE
A
C
K
A
C
K
A
C
K
A
C
K
DATA
BYTE
Figure 11. Selective Read Sequence
BUS ACTIVITY:
MASTER
SLAVE
ADDRESS
A
C
K
A
C
K
A
C
K
N
O
A
C
K
S
T
O
P
P
SLAVE
A
C
K
DATA
BYTE
n
DATA
BYTE
n+1
DATA
BYTE
n+2
DATA
BYTE
n+x
Figure 12. Sequential Read Sequence
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAV24C32YE-GT3 | 功能描述:电可擦除可编程只读存储器 32KB I2C SER 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 |
| CAV24C512HU5EGT3 | 功能描述:IC EEPROM 512KBIT I2C 制造商:on semiconductor 系列:汽车级，AEC-Q100 零件状态:在售 存储器类型:非易失 存储器格式:EEPROM 技术:EEPROM 存储容量:512Kb （64K x 8） 时钟频率:1MHz 写周期时间 - 字，页:5ms 访问时间:400ns 存储器接口:I2C 电压 - 电源:2.5 V ~ 5.5 V 工作温度:-40°C ~ 125°C（TA） 标准包装:3,000 |
| CAV24C512WE-GT3 | 功能描述:电可擦除可编程只读存储器 512KB I2C SER 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 |
| CAV24C512YE-GT3 | 功能描述:电可擦除可编程只读存储器 512KB I2C SER 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 |
| CAV24C64 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:64-Kb I2C CMOS Serial EEPROM |
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