82575EB Datasheet, PDF (51/62 Pages) Intel Corporation – Intel® 82575EB Gigabit Ethernet Controller Datasheet

FLASH Interface — Intel^® 82575EB Gigabit Ethernet Controller
6.4.2 FLASH Interface
Applicable over recommended operating range from Ta = -40C to +85C, VCC3P3 = 3.3 V, Cload = 1 TTL
Gate and 16 pF (unless otherwise noted)
Table 15.
FLASH Parameters
Symbol
t_SCK
t_RI
t_FI
t_WH
t_WL
t_CS
t_CSS
t_CSH
t_SU
t_H
t_V
t_HO
t_DIS
Parameter
SCK clock frequency
Input rise time
Input fall time
SCK high time
SCK low time
CS high time
CS setup time
CS hold time
Data-in setup time
Data-in hold time
Output valid
Output hold time
Output disable time
Min
0
20
20
25
25
25
5
5
0
Typ
15.625
2.5
2.5
32
32
Max
20
20
20
20
100
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
[1]
[2]
[2]
VIH
CS
VIL
tcss
VIH
Sck
VIL
VIH
SI
VIL
tWH
tWL
tSU tH
VALID IN
tv
VOH
SO
HI-Z
VOL
Figure 4.
FLASH Timing Diagram
tCS
tCSH
tHO
tDIS
HI-Z
317679-004
Revision: 2.11
January 2011
Intel^® 82575EB Gigabit Ethernet Controller
Datasheet
51