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参数资料
| 型号： | MAX7323AEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 4B 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接口： | I²C |
| 输入/输出数： | 4 |
| 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： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
| 包括： | POR |
General Description
The MAX7323 2-wire serial-interfaced peripheral features
eight I/O ports. Four ports are push-pull outputs and the
other four are open-drain I/O ports that are overvoltage
protected up to +6V independent of the supply voltage.
The four I/O ports configured as inputs are continu-
ously monitored for state changes (transition detec-
tion). State changes are indicated by the open-drain
INT output. The interrupt is latched, allowing detection
of transient changes. When the MAX7323 is subse-
quently accessed through the serial interface, any
pending interrupt is cleared.
The four push-pull and four open-drain outputs are
rated to sink 20mA and are capable of driving LEDs.
The RST input clears the serial interface, terminating
any I2C communication to or from the MAX7323.
The MAX7323 uses two address inputs with four-level
logic to allow 16 I2C slave addresses. The slave
address also determines the power-up logic state for
the I/O ports, and enables or disables internal 40k
Ω
pullups for the input ports in groups of two ports.
The MAX7323 is one device in a family of pin-compatible
port expanders with a choice of input ports, open-drain
I/O ports, and push-pull output ports (see Table 1).
The MAX7323 is available in 16-pin QSOP and 16-pin
TQFN packages, and is specified over the automotive
temperature range (-40°C to +125°C).
Features
400kHz I2C Serial Interface
+1.71V to +5.5V Operating Voltage
4 Push-Pull Output Ports Rated at 20mA Sink
Current
4 Open-Drain I/O Ports Rated to 20mA Sink Current
4 I/O Ports Are Overvoltage Protected to +6V
Transient Changes Are Latched, Allowing Detection
Between Read Operations
INT Output Alerts Change on Inputs
AD0 and AD2 Inputs Select from 16 Slave
Addresses
Low 0.6A (typ) Standby Current
-40°C to +125°C Operating Temperature Range
MAX7323
I2C Port Expander with 4 Push-Pull Outputs
and 4 Open-Drain I/Os
________________________________________________________________ Maxim Integrated Products
1
19-3806; Rev 1; 7/07
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
PART
TEMP
RANGE
PIN-
PACKAGE
TOP
MARK
PKG
CODE
MAX7323AEE+
-40°C to
+125°C
16 QSOP
—
E16-4
MAX7323ATE+
-40°C to
+125°C
16 TQFN-EP*
3mm x 3mm
ADE
T1633-4
Pin Configurations and Functional Diagram appear at end
of data sheet.
Selector Guide
PART
INPUTS
INTERRUPT
MASK
OPEN-
DRAIN
OUTPUTS
PUSH-PULL
OUTPUTS
MAX7319
8
Yes
—
MAX7320
—
8
MAX7321
Up to 8
—
Up to 8
—
MAX7322
4
Yes
—
4
MAX7323
Up to 4
—
Up to 4
4
MAX7328
Up to 8
—
Up to 8
—
MAX7329
Up to 8
—
Up to 8
—
+Denotes a lead-free package.
*EP = Exposed paddle.
Cell Phones
SAN/NAS
Servers
Notebooks
RAID
Automotive
Applications
MAX7323
P2
O7
O6
P5
P4
V+
0.047
μF
μC
SCL
SDA
SCL
AD0
O1
O0
SDA
P3
AD2
INT
OUTPUT
RST
INT
RST
I/O
OUTPUT
3.3V
GND
Typical Application Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7323ATE | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O 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 |
| MAX7323ATE+ | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O 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 |
| MAX7323ATE+T | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O 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 |
| MAX7323ATE-T | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O 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 |
| MAX7324 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs |
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