82540EP Datasheet, PDF (31/46 Pages) Intel Corporation – 82540EP Gigabit Ethernet Controller

Networking Silicon — 82540EP
4.5.3
EEPROM Interface
Table 18. Link Interface Clock Requirements
Symbol
Parameter
TPW
EESK pulse width
Min
Typ
Max
TPERIOD*128
Unit
ns
a. The EEPROM clock is derived from a 125 MHz internal clock.
Table 19. Link Interface Clock Requirements
Symbol
Parameter^a
Min
Typ
Max
Unit
TDOS
EEDO setup time
TCYC*2
ns
TDOH
EEDO hold time
0
ns
a. The EEDO setup and hold time is a function of the PCI bus CLK cycle time but is referenced to EESK.
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