AC Characteristics
Applicable over recommended operating range from T
A
= -40°C to + 85°C, V
CC
= As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol
Parameter
Test Condition
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
≤
≤
≤
≤
≤
≤
≤
≤
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
Min
0
0
0
0
250
250
500
1000
250
250
500
1000
250
250
500
1000
50
50
100
200
100
100
200
400
0
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
4.5V
≤
V
CC
2.7V
≤
V
CC
2.5V
≤
V
CC
1.8V
≤
V
CC
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
≤
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
5.5V
0.1
t
WP
Endurance
(1)
Write Cycle Time
5.0V, 25°C, Page Mode
4.5V
≤
V
CC
≤
5.5V
1M
1
100
100
200
400
250
250
500
1000
250
250
500
1000
250
250
500
1000
100
100
200
400
10
Typ
Max
2
1
0.5
0.25
Units
f
SK
SK Clock Frequency
MHz
t
SKH
SK High Time
ns
t
SKL
SK Low Time
ns
t
CS
Minimum CS
Low Time
ns
t
CSS
CS Setup Time
Relative to SK
ns
t
DIS
DI Setup Time
Relative to SK
ns
t
CSH
CS Hold Time
Relative to SK
ns
t
DIH
DI Hold Time
Relative to SK
ns
t
PD1
Output Delay to ‘1’
AC Test
ns
t
PD0
Output Delay to ‘0’
AC Test
ns
t
SV
CS to Status Valid
AC Test
ns
t
DF
CS to DO in High
Impedance
AC Test
CS = V
IL
ns
ms
ms
Write Cycles
Note:
1. This parameter is characterized and is not 100% tested.
4
AT93C46/56/57/66
ATMEL [ ATMEL CORPORATION ]
