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DM562AP
V.90 Integrated Data/ Fax/Voice/Speakerphone
Modem Device Single Chip with Memory Built in
Preliminary
39
Version: DM562AP-DS-P02
March 05, 2004
DM6588A PCI AC Electrical Characteristics & Timing Waveforms
(VDD = 3.3V, GND = 0V; Tc = 0℃ to 85℃)
PCI Clock Specifications Timing
tHIGH
2.0V
0.8V
tR
tF
tLOW
tCYCLE
Symbol
Parameter
Min.
Typ.
Max.
Unit Conditions
tR
PCI_CLK rising time
4
-
-
ns
-
tF
PCI_CLK falling time
4
-
-
ns
-
tCYCLE
Cycle time
30
-
-
ns
-
tHIGH
PCI_CLK High Time
12
-
-
ns
-
tLOW
PCI_CLK Low Time
12
-
-
ns
-
Other PCI Signals Timing Diagram
tOFF
tH
tSU
Input
tON
Output
cLK
2.5V
tVAL(max)
tVAL(min)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
tVAL
Clk-To-Signal Valid Delay
2
-
12
ns
Cload = 50 pF
tON
Float-To-Active Delay From Clk
2
-
-
ns
-
tOFF
Active-To-Float Delay From Clk
-
-
28
ns
-
tSU
Input Signal Valid Setup Time Before Clk
7
-
-
ns
-
tH
Input Signal Hold Time From Clk
5
-
-
ns
-
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