MAX7310 Maxim, MAX7310 Datasheet - Page 12

• Manufacturer Part Number: MAX7310
• Description: The MAX7310 provides 8-bit parallel input/output port expansion for SMBus™-compatible and I²C-compatible applications
• Manufacturer: Maxim

2-Wire-Interfaced 8-Bit I/O Port Expander
with Reset
Figure 8. Simplified Schematic of I/O1–I/O7
12
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WRITE POLARITY
CONFIGURATION
SHIFT REGISTER
SHIFT REGISTER
SHIFT REGISTER
WRITE PULSE
READ PULSE
DATA FROM
DATA FROM
DATA FROM
PULSE
PULSE
WRITE
CONFIGURATION
REGISTER
D
C
K
FF
Q
Q
D
C
OUTPUT
PORT
REGISTER
K
FF
Q
Q
INPUT
PORT
REGISTER
POLARITY
INVERSION
REGISTER
D
C
D
C
K
K
FF
FF
Q
Q
Q
Q
ESD-PROTECTION DIODE
ESD-PROTECTION DIODE
OUTPUT PORT
REGISTER DATA
V+
I/O1 TO I/O7
GND
INPUT PORT
REGISTER DATA
POLARITY
REGISTER DATA