GD82541PI Datasheet, PDF (32/46 Pages) Intel Corporation – 82541 Family of Gigabit Ethernet Controllers

82541(PI/GI/EI) — Networking Silicon
Table 21. EEPROM Link Interface Clock Requirements
Symbol
Parameter^a
Min
Typ
Max
Unit
Microwire EESK pulse width
T_PERIOD x
64
ns
TPW
SPI EESK pulse width
T_PERIOD x
32
ns
a. The EEPROM clock is derived from a 125 MHz internal clock.
Table 22. EEPROM 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 clock cycle time but is referenced to O_EESK.
32