82595FX Datasheet, PDF (43/54 Pages) Intel Corporation – ISA BUS HIGH INTEGRATION ETHERNET CONTROLLER

82595FX
11 6 2 FLASH EPROM TIMINGS
 The 82595FX is designed to support a FLASH or
EPROM up to 200 ns access time
 Flash EPROM types supported are 16K 32K
64K 128K 256K 512K 1024K x 8
Parameter
T1w
T2w
T3w
T4w
T5w
T6w
T7w
T1r
T2r
T3r
T4r
T5r
T6r
T7r
T8r
Table 11-7 FLASH AC Characteristics
Description
Min Max
LADDR Setup Time to LWE Active
0
LADDR Hold Time from LWE Active
75
LWE Active Time
60
BOOTCS Setup Time before LWE Active
20
BOOTCS Hold Time from LWE Inactive
0
Data Setup Time before LWE Inactive
50
Data Hold Time from LWE Inactive
10
LADDR Setup Time to BOOTCS Active
0
LADDR Setup Time to LOE
0
BOOTCS Active Time
225
LOE Active Time
225
BOOTCS Active to Data Valid
200
LOE Active to Data Valid
200
Data Hold Time from BOOTCS Inactive
0
40
Data Hold Time from LOE Inactive
0
40
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Comments
Figure 11-10 FLASH Timings Write Cycle
281732 – 22
43