
4
AT93C46C
1122D–SEEPR–08/02
Note: 1. This parameter is characterized and is not 100% tested.
AC Characteristics
Applicable over recommended operating range from T
A
=-40°Cto+85°C, V
CC
=+2.5Vto+5.5V,
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
2.5V ≤ V
CC
≤ 5.5V
0
0
0
2
1
0.5
MHz
t
SKH
SK High Time 4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
250
250
500
ns
t
SKL
SK Low Time 4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
250
250
500
ns
t
CS
Minimum CS Low Time 4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
250
250
500
ns
t
CSS
CS Setup Time
Relative to SK
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
50
50
100
ns
t
DIS
DI Setup Time
Relative to SK
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
100
100
200
ns
t
CSH
CS Hold Time Relative to SK 0 ns
t
DIH
DI Hold Time
Relative to SK
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
100
100
200
ns
t
PD1
Output Delay to ‘1’
AC Test
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
250
250
500
ns
t
PD0
Output Delay to ‘0’
AC Test
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
250
250
500
ns
t
SV
CS to Status Valid
AC Test
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
250
250
500
ns
t
DF
CS to DO in High Impedance
AC Test
CS = V
IL
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.5V ≤ V
CC
≤ 5.5V
100
100
200
ns
t
WP
Write Cycle Time 10 ms
4.5V ≤ V
CC
≤ 5.5V 3 ms
Endurance
(1)
5.0V, 25°C, Page Mode
1M
Write
Cycle
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