Datasheet

MCP23018/MCP23S18
DS22103A-page 34 © 2008 Microchip Technology Inc.
2.1 DC CHARACTERISTICS
DC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V ≤ V
DD ≤ 5.5V at -40°C ≤ TA ≤ +125°C
Param
No.
Characteristic Sym Min Typ
(2)
Max Units Conditions
D001 Supply Voltage V
DD 1.8 — 5.5 V
D002 V
DD Start Voltage to
Ensure Power-on
Reset
VPOR —VSS —V
D003 VDD Rise Rate to
Ensure Power-on
Reset
SVDD 0.05 — — V/ms Design guidance only.
Not tested.
D004 Supply Current IDD — — 1 mA SCL/SCK = 1 MHz
D005 Standby (Idle) current IDDS — — 1 µA –40°C ≤ TA ≤ +85°C
——6µA+85°C ≤ T
A ≤ +125°C
Input Low-Voltage
D031 CS
, GPIO, SCL/SCK,
SDA, SI, RESET
VIL VSS —0.2VDD V
Input High-Voltage
D041 CS
, SCL/SCK, SDA,
SI, RESET
VIH 0.8 VDD —VDD V
GPIO V
IH 0.8 VDD —5.5 V
Input Leakage Current
D060 I/O port pins I
IL ——±1µAVSS ≤ VPIN ≤ VDD,
Output Leakage Current
D065 I/O port pins I
LO ——±1µAVSS ≤ VPIN ≤ VDD,
D070 GPIO internal pull-up
current
I
PU —220—µAVDD = 5V, GP Pins = VSS
Note 1
Output Low-Voltage
D080 GPIO V
OL ——0.6VIOL = 8.5 mA, VDD = 4.5V
(open-drain)
INT — — 0.6 V IOL = 1.6 mA, VDD = 4.5V
SO, SDA — — 0.6 V I
OL = 3.0 mA, VDD = 1.8V
SDA — — 0.8 V I
OL = 3.0 mA, VDD = 4.5V
Output High-Voltage
D090 INT, SO V
OH VDD – 0.7 — — V IOH = -3.0 mA, VDD = 4.5V
V
DD – 0.7 — — IOH = -400 µA, VDD = 1.8V
Capacitive Loading Specs on Output Pins
D101 GPIO, SO, INT C
IO — — 50 pF
D102 SDA C
B ——400pF
Note 1: This parameter is characterized, not 100% tested.
2: Data in the Typical (“Typ”) column is at 5V, +25°C unless otherwise stated.