MAX7310ATE+T Maxim Integrated Products, MAX7310ATE+T Datasheet - Page 7

• Manufacturer Part Number: MAX7310ATE+T
• Description: IC I/O EXPANDER I2C 8B 16TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX7310ATE+T

• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: No
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 5. Acknowledge
Figure 6. Slave Address
The first bits (MSBs) of the MAX7310 slave address are
always zero. Slave address bits AD2, AD1, and AD0
choose 1 of 56 slave ID addresses (Table 7).
The register address byte is the first byte to follow the
address byte during a read/write transmission. The reg-
Figure 4. Bit Transfer
BY TRANSMITTER
BY RECEIVER
SDA
SCL
SDA
SDA
SCL
START CONDITION
FIXED
MSB
2-Wire-Interfaced 8-Bit I/O Port Expander
0
S
_______________________________________________________________________________________
A5
SDA
SCL
1
DATA LINE STABLE; DATA VALID CHANGE OF DATA ALLOWED
A4
Registers
PROGRAMMABLE
A3
2
A2
ister address byte acts as a pointer to determine which
register is written or read.
The input port register is a read-only port. It reflects the
incoming logic levels of the I/O ports, regardless of
whether the pin is defined as an input or an output by
the configuration register. Writes to the input port regis-
ter are ignored.
A1
CLOCK PULSE FOR ACKNOWLEDGMENT
LSB
A0
8
R/W
with Reset
ACK
9
7