LU82551IT INTEL [Intel Corporation], LU82551IT Datasheet - Page 90

• Manufacturer Part Number: LU82551IT
• Description: Fast Ethernet PCI Controller
• Manufacturer: INTEL [Intel Corporation]

82551IT — Networking Silicon
84
Table 59. Flash Timing Parameters
NOTES:
1. These timing specifications apply to Flash read cycles. The Flash timings referenced are 28F020-150
2. These timing specifications apply to Flash write cycles. The Flash timings referenced are 28F020-150
T35
T36
T37
T38
T39
T40
T41
T42
T43
T44
T45
T46
T47
T48
T49
timings.
timings.
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
flrwc
flacc
flce
floe
fldf
flas
flah
flcs
flch
flds
fldh
flwp
flwph
Symbol
Mioha
Miohi
Flash Read/Write Cycle Time
FLA to Read FLD Setup Time
FLCS# to Read FLD Setup Time
FLOE# Active to Read FLD Setup Time
FLOE# Inactive to FLD Driven Delay
Time
FLA Setup Time before FLWE#
FLA Hold Time after FLWE#
FLCS# Hold Time before FLWE#
FLCS# Hold Time after FLWE#
FLD Setup Time
FLD Hold Time
Write Pulse Width
Write Pulse Width High
IOCHRDY Hold Time after FLWE# or
FLOE# Active
IOCHRDY Hold Time after FLWE# or
FLOE# Inactive
Parameter
Min
150
150
150
120
200
150
120
50
30
30
10
25
5
0
Max
25
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2, Flash t
2, Flash t
2, Flash t
2, Flash t
2, Flash t
1, Flash t
2, Flash t
1, Flash t
1, Flash t
1, Flash t
2, Flash t
2, Flash t
1, Flash t
= 150 ns
= 150 ns
= 150 ns
= 55 ns
= 35 ns
= 60 ns
= 20 ns
= 50 ns
= 10 ns
= 60 ns
= 20 ns
Notes
= 0 ns
= 0 ns
WHWL
WHEH
DVWH
WHDX
WLWH
GHQZ
WLAX
AVQV
GLQV
AVWL
ELQV
ELWL
AVAV
Datasheet