MCP23017 Datasheet, PDF (28/48 Pages) Microchip Technology – 16-Bit I/O Expander with Serial Interface

MCP23017/MCP23S17
2.1 DC Characteristics
DC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +85°C (I-Temp)
4.5V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C (E-Temp) (Note 1)
Param
No.
Characteristic
Sym
Min
Typ
(Note 1(
Max
Units
Conditions
D001 Supply Voltage
VDD
1.8
D002 VDD Start Voltage to
VPOR
—
Ensure Power-on
Reset
—
5.5
V
VSS
—
V
D003 VDD Rise Rate to
Ensure Power-on
Reset
SVDD
0.05
—
—
V/ms Design guidance only.
Not tested.
D004 Supply Current
D005 Standby current
IDD
—
IDDS
—
—
—
1
mA SCL/SCK = 1 MHz
—
1
µA
—
3
µA 4.5V-5.5V @ +125°C
(Note 1)
Input Low Voltage
D030 A0, A1 (TTL buffer)
D031 CS, GPIO, SCL/SCK,
SDA, A2, RESET
(Schmitt Trigger)
Input High Voltage
D040 A0, A1
(TTL buffer)
D041 CS, GPIO, SCL/SCK,
SDA, A2, RESET
(Schmitt Trigger)
VIL
VSS
VSS
— 0.15 VDD V
— 0.2 VDD V
VIH 0.25 VDD + 0.8 —
VDD
V
0.8 VDD
—
VDD
V For entire VDD range
Input Leakage Current
D060 I/O port pins
IIL
—
Output Leakage Current
D065 I/O port pins
ILO
—
D070 GPIO weak pull-up
IPU
40
current
Output Low-Voltage
—
±1
µA VSS ≤ VPIN ≤ VDD
—
±1
µA VSS ≤ VPIN ≤ VDD
75
115
µA VDD = 5V, GP Pins = VSS
–40°C ≤ TA ≤ +85°C
D080 GPIO
VOL
—
—
0.6
V IOL = 8.0 mA, VDD = 4.5V
INT
—
—
0.6
V IOL = 1.6 mA, VDD = 4.5V
SO, SDA
—
—
0.6
V IOL = 3.0 mA, VDD = 1.8V
SDA
—
—
0.8
V IOL = 3.0 mA, VDD = 4.5V
Output High-Voltage
D090 GPIO, INT, SO
VOH
VDD – 0.7
—
—
V IOH = -3.0 mA, VDD = 4.5V
VDD – 0.7
—
—
IOH = -400 µA, VDD = 1.8V
Capacitive Loading Specs on Output Pins
D101 GPIO, SO, INT
CIO
—
—
D102 SDA
CB
—
—
Note 1: This parameter is characterized, not 100% tested.
50
pF
400
pF
DS21952B-page 28
© 2007 Microchip Technology Inc.