2012 Microchip Technology Inc.
DS22299B-page 21
MCP2050
Low Level Input Voltage
(TXD, FAULT/TXE,
WWDTTRIG)
VIL
-0.3
—
0.8
V
High Level Input Current
(TXD, FAULT/TXE,
WWDTTRIG)
IIH
-2.5
—
0.4
A
Input voltage = 4.0V.
~800 k
internal adaptive
pull-up
Low Level Input Current
(TXD, FAULT/TXE,
WWDTTRIG)
IIL
-10
—
A
Input voltage = 0.5V.
~800 k
internal adaptive
pull-up
High Level Input Voltage
(CS/LWAKE)
VIH
2.0
—
VBB
V
Through a current-limiting
resistor
Low Level Input Voltage
(CS/LWAKE)
VIL
-0.3
—
0.8
V
High Level Input Current
(CS/LWAKE)
IIH
—
8.0
A
Input voltage = 0.8VREG
~1.3 M
internal pull-
down to VSS
Low Level Input Current
(CS/LWAKE)
IIL
—
5.0
A
Input voltage = 0.2VREG
~1.3 M
internal pull-
down to VSS
Low Level Output Voltage
(RXD)
VOLRXD
——
0.2VREG
VIOL = 2 mA
High Level Output Voltage
(RXD)
VOHRXD
0.8VREG
——
V
IOH = 2 mA
Low Level Output Voltage
(FAULT/TXE)
VOLOD
—1.0
V
IOL = 4 mA
Low Level Output Voltage
(RESET)
VOLRST
——
1.0
V
IOL = 4 mA
2.3
DC Specifications (Continued)
DC Specifications
Electrical Characteristics:
Unless otherwise indicated, all limits are specified for:
VBB = 6.0V to 18.0V
TA = -40°C to +125°C
Parameter
Sym.
Min.
Typ.
Max.
Units
Conditions