8 Mbit LPC Flash
A Microchip Technology Company
SST49LF080A
Data Sheet
AC Characteristics
Table 20: Read/Write Cycle Timing Parameters, V DD =3.0-3.6V (LPC Mode)
Symbol
T CYC
T SU
T DH
Parameter
Clock Cycle Time
Data Set Up Time to Clock Rising
Clock Rising to Data Hold Time
Min
30
7
0
Max
Units
ns
ns
ns
T VAL
1
Clock Rising to Data Valid
2
11
ns
T BP
T SE
T BE
T ON
T OFF
Byte Programming Time
Sector-Erase Time
Block-Erase Time
Clock Rising to Active (Float to Active Delay)
Clock Rising to Inactive (Active to Float Delay)
2
20
25
25
28
μs
ms
ms
ns
ns
T20.0 25026
1. Minimum and maximum times have different loads. See PCI spec.
Table 21: AC Input/Output Specifications (LPC Mode)
Symbol
I OH (AC)
Parameter
Switching Current
High
Min
-12 V DD
-17.1(V DD -V OUT )
Max
Units
mA
mA
Conditions
0 < V OUT ?? 0.3 V DD
0.3 V DD < V OUT < 0.9 V DD
Equation
C 1
0.7 V DD < V OUT < V DD
(Test Point)
-32 V DD
mA
V OUT = 0.7 V DD
I OL (AC)
Switching Current
Low
16 V DD
26.7 V OUT
Equation
D 1
mA
mA
V DD >V OUT ? 0.6 V DD
0.6 V DD > V OUT > 0.1 V DD
0.18 V DD > V OUT > 0
(Test Point)
38 V DD
mA
V OUT = 0.18 V DD
I CL
I CH
Low Clamp Current
High Clamp Current
-25+(V IN +1)/0.015
25+(V IN -V DD -1)/0.015
mA
mA
-3 < V IN ? -1
V DD +4 > V IN ? V DD +1
slewr 2
Output Rise Slew
1
4
V/ns
0.2 V DD -0.6 V DD load
Rate
slewf 2
Output Fall Slew
1
4
V/ns
0.6 V DD -0.2 V DD load
Rate
T21.0 25026
1. See PCI spec.
2. PCI specification output load is used.
?2011 Silicon Storage Technology, Inc.
31
DS25086A
11/11
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