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参数资料
| 型号： | 24AA32AT-I/SN |
| 厂商： | Microchip Technology |
| 文件页数： | 5/44页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 32KBIT 400KHZ 8SOIC |
| 产品培训模块： | I2C Serial EEPROM |
| 标准包装： | 3,300 |
| 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： | 1.7 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-SOICN |
| 包装： | 带卷 (TR) |
| 其它名称： | 24AA32ATI/SN |
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24AA32A/24LC32A
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Name PDIP SOIC SOIJ TSSOP
Rotated
TSSOP
DFN (1) TDFN (1) MSOP SOT-23 CS
Description
A0
A1
A2
V SS
SDA
SCL
WP
V CC
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
3
4
5
6
7
8
1
2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
—
—
—
2
3
1
5
4
—
—
—
2
5
4
3
1
Chip Address Input
Chip Address Input
Chip Address Input
Ground
Serial Address/Data I/O
Serial Clock
Write-Protect Input
+1.7V to 5.5V Power Supply
Note 1: The exposed pad on the DFN/TDFN packages can be connected to V SS or left floating.
2.1
A0, A1, A2 Chip Address Inputs
2.3
Serial Clock (SCL)
The A0, A1 and A2 inputs are used by the 24XX32A for
multiple device operation. The levels on these inputs
are compared with the corresponding bits in the slave
The SCL input is used to synchronize the data transfer
to and from the device.
address. The chip is selected if the comparison is true.
2.4
Write-Protect (WP)
Up to eight devices may be connected to the same bus
by using different Chip Select bit combinations. These
inputs must be connected to either V CC or V SS .
In most applications, the chip address inputs A0, A1
and A2 are hard-wired to logic ‘ 0 ’ or logic ‘ 1 ’. For
applications in which these pins are controlled by a
microcontroller or other programmable device, the chip
address pins must be driven to logic ‘ 0 ’ or logic ‘ 1 ’
before normal device operation can proceed. Address
pins are not available in the SOT-23 and chip scale
packages.
This pin must be connected to either V SS or V CC . If tied
to V SS , write operations are enabled. If tied to V CC ,
write operations are inhibited but read operations are
not affected.
2.2
Serial Data (SDA)
SDA is a bidirectional pin used to transfer addresses
and data into and out of the device. It is an open-drain
terminal, therefore, the SDA bus requires a pull-up
resistor to V CC (typical 10 k ? for 100 kHz, 2 k ?? for
400 kHz)
For normal data transfer, SDA is allowed to change
only during SCL low. Changes during SCL high are
reserved for indicating Start and Stop conditions.
? 2002-2012 Microchip Technology Inc.
DS21713M-page 5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 24AA32AX-I/ST | 功能描述:电可擦除可编程只读存储器 4kx8 Rot Pin 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 |
| 24AA32AXT-I/ST | 功能描述:电可擦除可编程只读存储器 4kx8 Rot Pin 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 |
| 24AA512/S16K | 制造商:Microchip Technology Inc 功能描述:512K, 64K X 8, 1.8V SER EE,DIE - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA512/W16K | 制造商:Microchip Technology Inc 功能描述:512K, 64K X 8, 1.8V SER EE,WAFER - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA512/WF16K | 制造商:Microchip Technology Inc 功能描述:512K, 64K X 8, 1.8V SER EE,WAF - Gel-pak, waffle pack, wafer, diced wafer on film |
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