AC Characteristics
Applicable over recommended operating range from T
AI
=
−
40°C to + 85°C, T
AE
=
−
40°C to +125°C, V
CC
= As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol
f
SK
Parameter
SK Clock
Frequency
SK High Time
SK Low Time
Minimum CS
Low Time
CS Setup Time
DI Setup Time
CS Hold Time
DI Hold Time
Output Delay to “1”
Output Delay to “0”
CS to Status Valid
CS to DO in High
Impedance
Write Cycle Time
5.0V, 25°C, Page Mode
Test Condition
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
Relative to SK
Relative to SK
Relative to SK
Relative to SK
AC Test
AC Test
AC Test
AC Test
CS = V
IL
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
Min
0
0
0
250
1000
250
1000
250
1000
50
200
100
400
0
100
400
250
1000
250
1000
250
1000
150
400
10
t
WP
Endurance
(1)
4.5V
≤
V
CC
≤
5.5V
0.1
1M
3
Typ
Max
2
1
0.25
Units
MHz
t
SKH
t
SKL
t
CS
t
CSS
t
DIS
t
CSH
t
DIH
t
PD1
t
PD0
t
SV
t
DF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
Write Cycles
Note:
1. This parameter is characterized and is not 100% tested.
4
3378F–SEEPR–04/04
ATMEL [ ATMEL CORPORATION ]
