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参数资料
| 型号： | 24LC16B-I/ST |
| 厂商： | Microchip Technology |
| 文件页数： | 7/40页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 16KBIT 400KHZ 8TSSOP |
| 产品培训模块： | I2C Serial EEPROM |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 16K (2K x 8) |
| 速度： | 400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 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： | 管件 |
| 产品目录页面： | 1446 (CN2011-ZH PDF) |
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24AA16/24LC16B
5.0 DEVICE ADDRESSING
A control byte is the first byte received following the
Start condition from the master device (Figure 5-1).
The control byte consists of a four-bit control code.
For the 24XX16, this is set as ‘ 1010 ’ binary for read
Operation
Read
Write
Control
Code
1010
1010
Block Select
Block Address
Block Address
R/W
1
0
and write operations. The next three bits of the control
byte are the block-select bits (B2, B1, B0). They are
used by the master device to select which of the eight
256 word-blocks of memory are to be accessed.
FIGURE 5-1:
CONTROL BYTE
ALLOCATION
These bits are in effect the three Most Significant bits
(MSb) of the word address. It should be noted that the
protocol limits the size of the memory to eight blocks
of 256 words, therefore, the protocol can support only
one 24XX16 per system.
Control Code
Read/Write Bit
Block
Select
Bits
The last bit of the control byte defines the operation to
be performed. When set to ‘ 1 ’, a read operation is
selected. When set to ‘ 0 ’, a write operation is selected.
Following the Start condition, the 24XX16 monitors the
S
1
0
1 0 B2 B1 B0 R/W ACK
Slave Address
SDA bus, checking the device type identifier being
transmitted and, upon receiving a ‘ 1010 ’ code, the
slave device outputs an Acknowledge signal on the
SDA line. Depending on the state of the R/W bit, the
24XX16 will select a read or write operation.
Start Bit
Acknowledge Bit
FIGURE 5-2:
ADDRESS SEQUENCE BIT ASSIGNMENTS
Control Byte
Address Low Byte
0 R/W
1
0
1
0
B
2
B
1
B
A
7
?
?
?
?
?
?
A
0
Control
Code
? 2002-2012 Microchip Technology Inc.
Block
Select
bits
DS21703K-page 7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 24LC16B-M/SN | 功能描述:电可擦除可编程只读存储器 16K 2K X 8 2.5V SERIAL EE MIL 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 |
| 24LC16B-MT | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:8K/16K I 2 C ⑩ Serial EEPROMs in ISO Micromodules |
| 24LC16B-P | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16K 2.5V I 2 C O Serial EEPROM |
| 24LC16B-SL | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16K 2.5V I 2 C O Serial EEPROM |
| 24LC16B-SN | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16K 2.5V I 2 C O Serial EEPROM |
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