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| MEC1322 Datasheet, PDF (393/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC | |||
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MEC1322
TABLE 37-4: DC ELECTRICAL CHARACTERISTICS (CONTINUED)
Parameter
Symbol
MIN TYP MAX Units
Comments
All PCI_PIO Buffers
Pull-up current
IPU
PCI_CLK Type Buffer PCI_ICLK
PCI_IO Type Buffers
PCI_IO
PCI_O
PCI_I
PCI_PIO Type Buffer
0.6
1
1.5
mA
Internal PU is selected via the GPIO
Pin Control Register.
See PCI Local Bus Specification Rev.
2.1
PCI_OD Type Buffer PCI_OD
VREF Buffer
PECI Bus Voltage
Input current
Input Low Current
PECI_I Buffer
Input voltage range
Low Input Level
High Input Level
PECI_IO
Input voltage range
Hysteresis
Low Input Level
High Input Level
Low Output Level
High Output Level
Tolerance
VBUS
IDC
ILEAK
VIn
VIL
VIH
VIn
VHYS
VIL
VIH
VOL
VOH
PECI Type Buffer
0.95
1.26
V
100
µA
-10
+10
µA
-0.3
0.725Ã
VREF
VREF +
V
0.3
0.275Ã
V
VREF
V
-0.3
VREF +
V
0.3
0.1 Ã 0.2Ã
V
VREF VREF
0.275Ã
V
VREF
0.725Ã
V
VREF
0.25Ã
V
VREF
0.75 Ã
V
VREF
3.63
V
These buffers are not not 5V tolerant
buffers and they are not backdrive pro-
tected.
Connects to CPU Voltage pin
(Processor dependent)
This buffer is not 5V tolerant
This buffer is not backdrive protected.
All input and output voltages are a
function of VREF buffer input.
This buffer is not 5V tolerant
This buffer is not backdrive protected.
All input and output voltages are a
function of VREF buffer input.
See PECI Specification.
0.5mA < IOL < 1mA
IOH = -6mA
This buffer is not 5V tolerant
This buffer is not backdrive protected.
ï£ 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 393
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