4.3 AC Characteristics
Applicable over recommended operating range from TAI = -40°C to + 85°C, VCC = as specified, CL = 1 TTL gate and 100pF
(unless otherwise noted).
Symbol
Parameter
Test Condition
4.5V VCC 5.5V
fSK
SK Clock Frequency
2.5V VCC 5.5V
1.7V VCC 5.5V
tSKH
SK High Time
2.5V VCC 5.5V
1.7V VCC 5.5V
tSKL
SK Low Time
2.5V VCC 5.5V
1.7V VCC 5.5V
2.5V VCC 5.5V
tCS
Minimum CS Low Time
1.7V VCC 5.5V
tCSS
CS Setup Time
Relative to SK
2.5V VCC 5.5V
1.7V VCC 5.5V
tDIS
DI Setup Time
Relative to SK
2.5V VCC 5.5V
1.7V VCC 5.5V
tCSH
CS Hold Time
tDIH
DI Hold Time
tPD1
Output Delay to 1
tPD0
Output Delay to 0
tSV
CS to Status Valid
CS to DO in
tDF
High-impedance
tWP
Endurance(1)
Write Cycle Time
5.0V, 25°C
Relative to SK
Relative to SK
AC Test
AC Test
AC Test
AC Test
CS = VIL
2.5V VCC 5.5V
1.7V VCC 5.5V
2.5V VCC 5.5V
1.7V VCC 5.5V
2.5V VCC 5.5V
1.7V VCC 5.5V
2.5V VCC 5.5V
1.7V VCC 5.5V
2.5V VCC 5.5V
1.7V VCC 5.5V
1.7V VCC 5.5V
Note: 1. This parameter is characterized, and is not 100% tested.
Min
Max
0
2
0
1
0
250
250
1000
250
1000
250
1000
50
200
100
400
0
100
400
250
1000
250
1000
250
1000
150
400
5
1,000,000
Units
MHz
MHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Write Cycles
AT93C56B/66B [DATASHEET]
5
Atmel-8735C-SEEPROM-AT93C56B-66B-Datasheet_012015