8 Mbit Firmware Hub
A Microchip Technology Company
T high
T cyc
SST49LF008A
Data Sheet
0.5 V DD
0.4 V DD
0.6 V DD
T low
0.4 V DD p-to-p
(minimum)
0.3 V DD
0.2 V DD
1161 F11.0
Figure 8: CLK Waveform
AC Characteristics (FWH Mode)
Table 17: Read/Write Cycle Timing Parameters, V DD =3.0-3.6V (FWH Mode)
Symbol
T CYC
T SU
T DH
T VAL1
Parameter
Clock Cycle Time
Data Set Up Time to Clock Rising
Clock Rising to Data Hold Time
Clock Rising to Data Valid
Min
30
7
0
2
Max
11
Units
ns
ns
ns
ns
T BP
T SE
T BE
T SCE
T ON
T OFF
Byte Programming Time
Sector-Erase Time
Block-Erase Time
Chip-Erase Time
Clock Rising to Active (Float to Active Delay)
Clock Rising to Inactive (Active to Float Delay)
2
20
25
25
100
28
μs
ms
ms
ms
ns
ns
T17.3 25085
1. Minimum and maximum times have different loads. See PCI spec.
?2011 Silicon Storage Technology, Inc.
25
DS25085A
10/11
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