EP80579 Datasheet, PDF (1877/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 49-61. IICH Clock (CLK14) AC Specifications (Sheet 2 of 2)
Parameters
Min
Typical
Max
Units
Low Time
20
-
-
ns
Rising Edge Rate
1.0
-
4.0 V/ns
Falling Edge Rate
1.0
-
4.0 V/ns
Notes:
1.
CLK14 edge rates in a system as measured from 0.8 V to 2.0 V.
Figure
49-32
49-32
49-32
Note
1
1
Figure 49-32.IICH Clock (CLK14) Timing Diagram
High Time
2.0V
0.8V
Fall Time
Period
Low Time
Rise Time
49.5.12 Real Time Clock (RTC)
This section describes the electrical characteristics of the Real Time Clock interface.
49.5.12.1 RTC Signal List
For Real Time Clock pin description refer to Table 48-10, “Real Time Clock Interface
Signals” on page 1744.
49.5.12.2 RTC DC Characteristics
Table 49-62. RTC DC Input Characteristics (RTEST#)
Symbol
Parameter
Conditions
Min Typical Max
Units
Notes
V_IH
Input voltage high
-
2.0
-
-
V
-
V_IL
Input voltage low
-
-
-
0.8
V
-
Ι_leak
Input Leakage
Current
0<V_IN<Vcc3_3
-
-
6
µA
-
C_IN
Input-pin
capacitance
-
-
-
10
pf
1
Notes:
1.
Guaranteed by design. These values are typical values seen for this process, but not measured during
production testing.
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
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