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参数资料
| 型号： | MAX7326ATG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/20页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 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-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 管件 |
| 包括： | POR |
Detailed Description
MAX7319–MAX7329 Family Comparison
The MAX7324–MAX7327 family consists of four pin-
compatible, 16-port expanders that integrate the func-
tions of the MAX7320 and one of either the MAX7319,
MAX7321, MAX7322, or MAX7323.
Functional Overview
The MAX7326 is a general-purpose port expander
operating from a +1.71V to +5.5V supply that provides
12 push-pull output ports with 20mA sink, 10mA source
drive capability, and four CMOS input ports that are
overvoltage protected to +6V. The MAX7326 is rated to
sink a total of 100mA and source a total of 50mA from
all 12 combined outputs.
The MAX7326 is set to two of 32 I2C slave addresses
(see Tables 2 and 3) using address inputs AD0 and
AD2, and is accessed over an I2C serial interface up to
400kHz. Eight outputs use a different slave address
from the other four outputs and four inputs. Eight push-
pull outputs, O8–O15, use the 101xxxx addresses while
the four outputs O0, O1, O6, and O7 and inputs I2–I5
use addresses with 110xxxx. The RST input clears the
serial interface in case of a bus lockup, terminating any
serial transaction to or from the MAX7326.
MAX7326
I2C Port Expander with 12 Push-Pull Outputs
and 4 Inputs
_______________________________________________________________________________________
5
PART
I2C
SLAVE
ADDRESS
INPUTS
INPUT
INTERRUPT
MASK
OPEN-
DRAIN
OUTPUTS
PUSH-
PULL
OUTPUTS
CONFIGURATION
16-PORT EXPANDERS
MAX7324
8
Yes
—
8
8 inputs and 8 push-pull outputs version:
8 input ports with programmable latching transition
detection interrupt and selectable pullups.
8 push-pull outputs with selectable default logic
levels.
Offers maximum versatility for automatic input
monitoring. An interrupt mask selects which inputs
cause an interrupt on transitions, and transition flags
identify which inputs have changed (even if only for
a transient) since the ports were last read.
MAX7325
101xxxx
and
110xxxx
Up to 8
—
Up to 8
8
8 I/O and 8 push-pull outputs version:
8 open-drain I/O ports with latching transition
detection interrupt and selectable pullups.
8 push-pull outputs with selectable default logic
levels.
Open-drain outputs can level shift the logic-high
state to a higher or lower voltage than V+ using
external pullup resistors, but pullups draw current
when output is low. Any open-drain port can be used
as an input by setting the open-drain output to logic-
high. Transition flags identify which open-drain port
inputs have changed (even if only for a transient)
since the ports were last read.
Table 1. MAX7319–MAX7329 Family Comparison
相关PDF资料 |
PDF描述 |
|---|---|
| MAX7323AEE+ | IC I/O EXPANDER I2C 4B 16QSOP |
| MAX7320ATE+ | IC I/O EXPANDER I2C 8B 16TQFN-EP |
| DS4520E+ | IC I/O EXPANDER I2C 9B 16TSSOP |
| MAX7315AEE+ | IC I/O EXPANDER I2C 8B 16QSOP |
| MAX7315AUE+ | IC I/O EXPANDER I2C 8B 16TSSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX7326ATG+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-T | 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 |
| MAX7326EVCMAXQU+ | 功能描述:界面开发工具 MAX7326 Max7526 Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX7326EVKIT+ | 功能描述:界面开发工具 MAX7326 Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
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