s5920 Applied Micro Circuits Corporation (AMCC), s5920 Datasheet - Page 160

• Manufacturer Part Number: s5920
• Description: Pci Product
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

S5920 – PCI Product: Electrical Characteristics
Table 66. Mailbox Timings
Functional Operation Range (V
Notes:
1. Applies only when external mailbox is in input mode (MDMODE = 1).
2. Applies only when external mailbox is in input/output mode (MDMODE = 0).
3. When the S5920 is driving MD[7:0] w/ Add-On incoming mailbox byte 3, the PCI can update this output synchronously to the PCI clock. As a
Figure 91. Mailbox Data
Figure 92. Mailbox Data
AMCC Confidential and Proprietary
t
t
t
t
t
t
60
61
62
63
64
65
result, once driving, this output is asynchronous to ADCLK.
Symbol
ADCLK
MD[7:0]
LOAD#
LOAD# Setup to ADCLK Rising Edge
LOAD# Hold from ADCLK Rising Edge
MD[7:0] Setup to ADCLK Rising Edge
MD[7:0] Hold from ADCLK Rising Edge
MD[7:0] Float from LOAD# Low
MD[7:0] Active from ADCLK Rising Edge
5920 Driving
MD[7:0]
ADCLK
LOAD#
CC
= 5.0 V ± 5%, 0°C to 70°C, 50 pF load on outputs)
t
64
t
60
Parameter
Add-On Driving
t
62
t
63
t
60
t
Min
62
t
t
63
1
1
61
t
65
t
61
Revision 1.02 – April 12, 2007
Max
14.9
2.6
17
4
5920 Driving
Units
Data Book
ns
ns
ns
ns
ns
ns
DS1596
Notes
2,3
1
1
2
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