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