ds4520etrl Maxim Integrated Products, Inc., ds4520etrl Datasheet - Page 5

• Manufacturer Part Number: ds4520etrl
• Description: Ds4520 9-bit I?c Nonvolatile I/o Expander Plus Memory
• Manufacturer: Maxim Integrated Products, Inc.

PIN
SDA
GND
SCL
10
11
12
13
14
15
16
V
1
2
3
4
5
6
7
8
9
A0
A1
A2
CC
NAME
I/O_0
I/O_1
I/O_2
I/O_3
I/O_4
I/O_5
I/O_6
I/O_7
I/O_8
V
GND
SDA
V
SCL
CC
A0
A1
A2
CC
Input/Output 0. Bidirectional I/O pin.
Input/Output 1. Bidirectional I/O pin.
Input/Output 2. Bidirectional I/O pin.
Input/Output 3. Bidirectional I/O pin.
Input/Output 4. Bidirectional I/O pin.
I
I
Power-Supply Voltage
I
I
I
Input/Output 5. Bidirectional I/O pin.
Input/Output 6. Bidirectional I/O pin.
Input/Output 7. Bidirectional I/O pin.
Input/Output 8. Bidirectional I/O pin.
Ground
USER MEMORY
2
2
2
2
2
[00h TO 3Fh]
C Address Input. Inputs A0, A1, and A2 determine the I
C Address Input. Inputs A0, A1, and A2 determine the I
C Serial Data Open-Drain Input/Output
C Serial Clock Input
C Address Input. Inputs A0, A1, and A2 determine the I
INTERFACE
64 BYTES
EEPROM
I
2
C
_____________________________________________________________________
PULLUP ENABLE (F0h-F1h)
I/O CONTROL (F2h-F3h)
I/O STATUS (F8h-F9h)
I/O CONTROL
REGISTERS
DS4520
I/O Expander Plus Memory
FUNCTION
9-Bit I
2
2
2
C slave address of the device.
C slave address of the device.
C slave address of the device.
2
I/O CELL (x9)
C Nonvolatile
R
PU
V
CC
Pin Description
Block Diagram
I/O_n
[n = 0 TO 8]
5