Datasheet
4
5193F–SEEPR–1/08
AT93C46D
Note: 1. This parameter is ensured by characterization.
Table 1-3. AC Characteristics
Applicable over recommended operating range from T
AI
= −40°C to + 85°C, V
CC
= +2.7V to +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
1.8V ≤ V
CC
≤ 5.5V
0
0
0
2
1
0.25
MHz
t
SKH
SK High Time
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
250
250
1000
ns
t
SKL
SK Low Time
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
250
250
1000
ns
t
CS
Minimum CS
Low Time
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
250
250
1000
ns
t
CSS
CS Setup Time Relative to SK
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
50
50
200
ns
t
DIS
DI Setup Time Relative to SK
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
100
100
400
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
1.8V ≤ V
CC
≤ 5.5V
100
100
400
ns
t
PD1
Output Delay to “1” AC Test
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
250
250
1000
ns
t
PD0
Output Delay to “0” AC Test
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
250
250
1000
ns
t
SV
CS to Status Valid AC Test
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1.8V ≤ V
CC
≤ 5.5V
250
250
1000
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
1.8V ≤ V
CC
≤ 5.5V
100
150
400
ns
t
WP
Write Cycle Time
1.8V ≤ V
CC
≤ 5.5V 0.1 3 5 ms
Endurance
(1)
5.0V, 25°C 1M Write Cycles