Datasheet

MCP23017/MCP23S17
DS20001952C-page 4  2005-2016 Microchip Technology Inc.
1.1 DC Characteristics
TABLE 1-1: DC CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, 1.8V V
DD
 5.5V at -40C  T
A
 +125C
Param.
No.
Characteristic Sym. Min. Typ.
(1)
Max. Units Conditions
D001 Supply Voltage V
DD
1.8 — 5.5 V
D002 V
DD
Start Voltage to
ensure Power-on Reset
V
POR
—V
SS
—V
D003 V
DD
Rise Rate to ensure
Power-on Reset
SV
DD
0.05 — — V/ms Design guidance only.
Not tested.
D004 Supply Current I
DD
— — 1 mA SCL/SCK = 1 MHz
D005 Standby current I
DDS8
——1µA-40°C  T
A
 +85°C
——3µA4.5V V
DD
5.5V
+85°C  T
A
+125C
(Note 1)
Input Low Voltage
D030 A0, A1, A2 (TTL buffer) V
IL
V
SS
—0.15V
DD
V
D031 CS, GPIO, SCL/SCK,
SDA, RESET
(Schmitt Trigger)
V
IL
V
SS
—0.2V
DD
V
Input High Voltage
D040 A0, A1, A2 (TTL buffer) V
IH
0.25 VDD + 0.8 — V
DD
V
D041 CS, GPIO, SCL/SCK,
SDA, RESET
(Schmitt Trigger)
V
IH
0.8 VDD —V
DD
V For entire V
DD
range
Input Leakage Current
D060 I/O port pins I
IL
——±1µAV
SS
V
PIN
V
DD
Output Leakage Current
D065 I/O port pins I
LO
——±1µAV
SS
V
PIN
V
DD
D070 GPIO weak pull-up
current
I
PU
40 75 115 µA V
DD
= 5V
GP pins = V
SS
Output Low-Voltage
D080 GPIO V
OL
——0.6VI
OL
= 8.0 mA
V
DD
= 4.5V
INT V
OL
——0.6VI
OL
= 1.6 mA
V
DD
= 4.5V
SO, SDA V
OL
——0.6VI
OL
= 3.0 mA
V
DD
= 1.8V
SDA V
OL
——0.8VI
OL
= 3.0 mA
V
DD
= 4.5V
Output High-Voltage
D090 GPIO, INT, SO V
OH
V
DD
– 0.7 — — V I
OH
= -3.0 mA
V
DD
= 4.5V
V
DD
– 0.7 — — I
OH
= -400 µA
V
DD
= 1.8V
Capacitive Loading Specs on Output Pins
D101 GPIO, SO, INT C
IO
——50pF
D102 SDA C
B
— — 400 pF
Note 1: This parameter is characterized, not 100% tested.