82544EI Datasheet, PDF (35/52 Pages) Intel Corporation – Gigabit Ethernet Controller

82544EI Gigabit Ethernet Controller Networking Silicon Datasheet
Table 19. Targeted Flash Write Operation Timing
Symbol
Parameter
T_WE
Flash Write Pulse Width (WE#)
T_AH
Flash Address Hold Time
T_DS
Flash Data Setup Time
4.5.4
EEPROM Interface
Table 20. EEPROM Interface Clock Timing
Symbol
Parameter
T_PW
EE_SK Pulse width^a
a. The EE_SK EEPROM clock output is derived from GTX_CLK.
Min
Typ
Max
Units
160
ns
0
ns
160
ns
Min
Typ
Max
T_PERIOD*128
Units
ns
Table 21. EEPROM Interface Clock Data Timing
Symbol
Parameter^a
Min
Typ
Max
Units
T_DOS
T_DOH
EE_DO Setup Time
EE_DO Hold Time
T_CYC*2
ns
0
ns
a. The EE_DO setup and hold time is a function of the CLK cycle time as indicated, but is referenced to O_EE_SK.
Datasheet
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