MAX7300AAI+ Maxim Integrated Products, MAX7300AAI+ Datasheet - Page 15

• Manufacturer Part Number: MAX7300AAI+
• Description: IC I/O EXPANDER I2C 28B 28SSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX7300AAI+

• Interface: I²C
• Number Of I /o: 20
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Operating Supply Voltage: 2.5 V to 5.5 V
• Power Dissipation: 727 mW
• Operating Temperature Range: - 40 C to + 125 C
• Input Voltage: 1.65 V to 1.75 V
• Maximum Clock Frequency: 400 KHz
• Mounting Style: SMD/SMT
• Output Current: 10 mA
• Output Voltage: 1.8 V
• Bus Frequency: 400kHz
• No. Of I/o's: 28
• Supply Voltage Range: 2.5V To 5.5V
• Digital Ic Case Style: SSOP
• No. Of Pins: 28
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Ic Function: I/O Expander
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 6. Power-Up Configuration
X = unused bits; if read, zero results.
Port Register
Bits 4 to 31
Configuration
Register
Input Mask
Register
Port
Configuration
Port
Configuration
Port
Configuration
Port
Configuration
Port
Configuration
Port
Configuration
Port
Configuration
FUNCTION
REGISTER
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
P15, P14, P13, P12: GPIO Inputs without Pullup
P19, P18, P17, P16: GPIO Inputs without Pullup
P23, P22, P21, P20: GPIO Inputs without Pullup
P27, P26, P25, P24: GPIO Inputs without Pullup
P31, P30, P29, P28: GPIO Inputs without Pullup
P11, P10, P9, P8: GPIO Inputs without Pullup
______________________________________________________________________________________
P7, P6, P5, P4: GPIO Inputs without Pullup
Transition Detection Disabled
POWER-UP CONDITION
All Clear (Masked Off)
Shutdown Enabled
GPIO Output Low
ADDRESS
0x24 to
CODE
(HEX)
0x0C
0x0D
0x3F
0x04
0x06
0x09
0x0A
0x0B
0x0E
0x0F
28-Port I/O Expander
D7
X
X
0
1
1
1
1
1
1
1
D6
X
0
0
0
0
0
0
0
0
0
D5
X
X
0
1
1
1
1
1
1
1
REGISTER DATA
D4
X
X
0
0
0
0
0
0
0
0
D3
X
X
0
1
1
1
1
1
1
1
D2
X
X
0
0
0
0
0
0
0
0
D1
X
X
0
1
1
1
1
1
1
1
D0
0
0
0
0
0
0
0
0
0
0
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