EP80579 Datasheet, PDF (1876/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 49-59. IICH Interrupt Signal DC Output Characteristics (Sheet 2 of 2)
Symbol
Parameter
Conditions
Min Typical Max
Units
Notes
V_OL
Output voltage low
l_out=6mA
-
0.4
V
-
Ι_OH
Output current at
high voltage
V_OH=2.4
-
-
1.5
mA
-
Ι_OL
Output current at
low voltage
V_OL=0.8
-
-
-0.5
mA
-
Notes:
1.
VOH spec does not apply to signals that are open drain driver. Open drain signals must have an
external pull up resistor.
49.5.11.3 IICH Interrupt Signal AC Input, Output Characteristics
The AC electrical specifications of the IICH Interrupt Signal are compliant with the PCI
Local Bus Specification, rev. 3.0 (refer to AC Specifications for 3.3V Signaling for more
information).
49.5.11.4 IICH Interrupt Signal Timing Specification
Table 49-60. IICH Interrupt Signal Timing Specification
Parameter
SERIRQ Setup Time to PCICLK Rising
SERIRQ Hold Time from PCICLK Rising
Min
7
0
Typical
Max Units
Note
ns
49-31
ns
49-31
Figure 49-31.IICH Interrupt Signal Timing Diagram
PCICLK
Clock
1.5V
S_InE_pR_uIR_t Q
Setup Time Hold Time
VT
VT
49.5.11.5 IICH Clock AC Specifications
Table 49-61. IICH Clock (CLK14) AC Specifications (Sheet 1 of 2)
Parameters
Min
Typical
Max
Units
Operating Frequency
14.31818
MHz
Period
67
-
70
ns
High Time
20
-
-
ns
Notes:
1.
CLK14 edge rates in a system as measured from 0.8 V to 2.0 V.
Figure
-
49-32
Note
Intel^® EP80579 Integrated Processor Product Line Datasheet
1876
August 2009
Order Number: 320066-003US