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参数资料
| 型号： | MAX7326AEG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 接口： | I²C |
| 输入/输出数： | 16 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 1.71 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 管件 |
| 包括： | POR |
MAX7326
I2C Port Expander with 12 Push-Pull Outputs
and 4 Inputs
14
______________________________________________________________________________________
SCL
SDA
START CONDITION
ACKNOWLEDGE
FROM SLAVE
SLAVE ADDRESS
S0
123
4
5
6
7
8
AA
A
tPV
DATA 1
DATA 2
DATA 2 VALID
DATA 1 VALID
WRITE
TO PORT
DATA OUT
FROM PORT
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
tPV
DATA TO PORT
R/W
Figure 10. Writing to the Group B Ports of the MAX7326
Writing to the MAX7326
A write to the group A ports of the MAX7326 starts with
the master transmitting the group’s slave address with
the R/W bit set low. The MAX7326 acknowledges the
slave address and samples the ports during the
acknowledge. INT goes high (high impedance if an
external pullup resistor is not fitted) during the slave
address acknowledge. The master can then issue a
STOP condition after the acknowledge (Figure 6), but
typically the master proceeds to transmit one or more
bytes of data. The MAX7326 acknowledges these sub-
sequent bytes of data and updates the four output
ports and the 4-bit interrupt mask register with each
new byte until the master issues a STOP condition
(Figure 9).
A write to the group B ports of the MAX7326 starts with
the master transmitting the group’s slave address with
the R/W bit set low. The MAX7326 acknowledges the
slave address and samples the ports during the
acknowledge bit. The master can now transmit one or
more bytes of data. The MAX7326 acknowledges these
subsequent bytes of data and updates the correspond-
ing group’s ports with each new byte until the master
issues a STOP condition (Figure 10).
SCL
SDA
START CONDITION
R/W
SLAVE ADDRESS
S0
123
4
5
6
7
8
AA
A
tPV
DATA 1
DATA 2
tPV
DATA TO INTERRUPT MASK
Figure 9. Writing to the Group A Ports of the MAX7326
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7326AEG+ | 功能描述:接口-I/O扩展器 I2C Port Expander w/12 P-P Out & 4 In RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7326AEG+T | 功能描述:接口-I/O扩展器 I2C Port Expander w/12 P-P Out & 4 In RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7326AEG-T | 功能描述:接口-I/O扩展器 I2C Port Expander w/12 P-P Out & 4 In RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7326ATG | 功能描述:接口-I/O扩展器 RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7326ATG+ | 功能描述:接口-I/O扩展器 I2C Port Expander w/12 P-P Out & 4 In RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
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