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| 型号： | MAX7300AAX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 28B 36SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 接口： | I²C，2 线串口 |
| 输入/输出数： | 28 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
General Description
The MAX7300 compact, serial-interfaced, I/O expan-
sion peripheral provides microprocessors with up to 28
ports. Each port is individually user configurable to
either a logic input or logic output.
Each port can be configured as either a push-pull logic
output capable of sinking 10mA and sourcing 4.5mA, or a
Schmitt logic input with optional internal pullup. Seven
ports feature configurable transition detection logic, which
generates an interrupt upon change of port logic level.
The MAX7300 is controlled through an I
2C-compatible 2-
wire serial interface, and uses four-level logic to allow 16
I
2C addresses from only two select pins.
The MAX7300AAX and MAX7300ATL have 28 ports and
are available in 36-pin SSOP and 40-pin TQFN pack-
ages, respectively. The MAX7300AAI and MAX7300ATI
have 20 ports and are available in 28-pin SSOP and
TQFN packages. For an SPI-interfaced version, refer to
the MAX7301 data sheet. For a pin-compatible port
expander with additional 24mA constant-current LED
drive capability, refer to the MAX6956 data sheet.
Applications
White Goods
Industrial Controllers
Automotive
System Monitoring
Features
o 400kbps I2C-Compatible Serial Interface
o 2.5V to 5.5V Operation
o -40°C to +125°C Temperature Range
o 20 or 28 I/O Ports, Each Configurable as
Push-Pull Logic Output
Schmitt Logic Input
Schmitt Logic Input with Internal Pullup
o 11A (max) Shutdown Current
o Logic Transition Detection for Seven I/O Ports
MAX7300
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port I/O Expander
________________________________________________________________
Maxim Integrated Products
1
19-2413; Rev 7; 9/11
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
MAX7300AAI
-40
°C to +125°C
28 SSOP
MAX7300ATI
-40
°C to +125°C
28 TQFN-EP*
MAX7300AAX
-40
°C to +125°C
36 SSOP
MAX7300ATL
-40
°C to +125°C
40 TQFN-EP*
P5
P4
P7
P8
P6
P10
P9
P12
P13
P11
P15
P14
P17
P18
P16
P20
P19
I/O 5
I/O 4
I/O 7
I/O 8
I/O 6
I/O 10
I/O 9
I/O 12
I/O 13
I/O 11
I/O 15
I/O 14
I/O 17
I/O 18
I/O 16
I/O 20
I/O 19
I/O 21
I/O 22
I/O 23
P22
P23
P21
36
2
3
4
33
35
34
29
27
31
24
25
22
21
23
V+
GND
AD0
AD1
SCL
P30
P29
P31
P27
P28
P25
P24
P26
32
30
26
5
7
9
28
6
8
11
10
12
14
15
13
17
16
19
20
18
SDA
MAX7300AAX
3V
DATA
CLOCK
I/O 24
I/O 25
I/O 27
I/O 26
I/O 29
I/O 30
I/O 28
I/O 31
47nF
39k
1
ISET
Typical Operating Circuit
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V+
AD1
SCL
SDA
P31
P30
P22
P29
P28
P27
P26
P25
P24
P23
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
AD0
GND
ISET
28 SSOP
TOP VIEW
MAX7300
Pin Configurations
Pin Configurations continued at end of data sheet.
*
EP = Exposed pad.
Devices are also available in a lead(Pb)-free/RoHS-compliant pack-
age. Specify lead-free by adding "+" to the part number when order-
ing. Devices are also available in tape-and-reel packaging. Specify
tape and reel by adding "T" to the part number when ordering.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7300AGL | 功能描述:接口-I/O扩展器 2.5-5.5V 20/28 Port I/O Expander 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 |
| MAX7300AGL+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 |
| MAX7300AGL-T | 功能描述:接口-I/O扩展器 2.5-5.5V 20/28 Port I/O Expander 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 |
| MAX7300AGL-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX7300ANI | 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 |
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