Table 4.
AC Characteristics
Applicable over recommended operating range from T
AI
=
−40°C
to + 85°C, V
CC
= As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
Parameter
Test Condition
Min
Typ
Max
Units
f
SK
SK Clock
Frequency
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
Relative to SK
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
2.7V
≤
V
CC
≤
5.5V
1.8V
≤
V
CC
≤
5.5V
4.5V
≤
V
CC
≤
5.5V
0
0
0
250
250
1000
250
250
1000
250
250
1000
50
50
200
100
100
400
0
100
100
400
2
1
0.25
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
ns
t
DIS
t
CSH
t
DIH
DI Setup Time
CS Hold Time
DI Hold Time
Relative to SK
Relative to SK
Relative to SK
ns
ns
ns
250
250
1000
250
250
1000
250
250
1000
100
100
400
10
t
PD1
Output Delay to
“1”
Output Delay to
“0”
CS to Status
Valid
CS to DO in High
Impedance
AC Test
ns
t
PD0
AC Test
ns
t
SV
AC Test
ns
t
DF
AC Test
CS = V
IL
ns
ms
ms
Write Cycles
t
WP
Endurance
Note:
Write Cycle Time
5.0V, 25°C
0.1
1M
3
1. This parameter is characterized and is not 100% tested.
4
AT93C46/56/66
0172Z–SEEPR–9/05
ATMEL [ ATMEL CORPORATION ]
