DS4520 Datasheet, PDF (4/10 Pages) Maxim Integrated Products – 9-Bit I2C Nonvolatile I/O Expander Plus Memory

9-Bit I²C Nonvolatile
I/O Expander Plus Memory
(V_CC = +5.0V, T_A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
2.0
I/O0–I/O7 CONTROL BITS = 0
I/O0–I/O7 PULLUPS DISABLED
V_CC = SDA = SCL
1.5
1.0
0.5
0
3.0
3.5
4.0
4.5
5.0
SUPPLY VOLTAGE (V)
Typical Operating Characteristics
SUPPLY CURRENT vs. TEMPERATURE
2.5
I/O0–I/O7 CONTROL BITS = 0
I/O0–I/O7 PULLUPS DISABLED
2.0 VCC = SDA = SCL = 5V
1.5
1.0
0.5
0
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
SUPPLY CURRENT vs. SCL FREQUENCY
20
18 ^{VCC = SDA = 5V}
16
14
12
10
8
6
4
2
0
0
100
200
300
400
SCL FREQUENCY (kHz)
I/O OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
6
PULLUPS ENABLED
PULLDOWNS DISABLED
5
4
3
HIGH IMPEDANCE
2
EEPROM RECALL AT V_POR
1
0
0123456
SUPPLY VOLTAGE (V)
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