AT93C46-10PU-1.8 Просмотр технического описания (PDF) - Atmel Corporation
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AT93C46-10PU-1.8 Datasheet PDF : 21 Pages
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Table 4. AC Characteristics
Applicable over recommended operating range from TAI = −40°C to + 85°C, VCC = As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
Parameter
Test Condition
Min
Typ
fSK
SK Clock
Frequency
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
0
0
0
4.5V ≤ VCC ≤ 5.5V
tSKH
SK High Time
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
250
250
1000
4.5V ≤ VCC ≤ 5.5V
tSKL
SK Low Time
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
250
250
1000
tCS
Minimum CS
Low Time
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
250
250
1000
4.5V ≤ VCC ≤ 5.5V
50
tCSS
CS Setup Time Relative to SK
2.7V ≤ VCC ≤ 5.5V
50
1.8V ≤ VCC ≤ 5.5V
200
4.5V ≤ VCC ≤ 5.5V
100
tDIS
DI Setup Time
Relative to SK
2.7V ≤ VCC ≤ 5.5V
100
1.8V ≤ VCC ≤ 5.5V
400
tCSH
CS Hold Time
Relative to SK
0
4.5V ≤ VCC ≤ 5.5V
100
tDIH
DI Hold Time
Relative to SK
2.7V ≤ VCC ≤ 5.5V
100
1.8V ≤ VCC ≤ 5.5V
400
tPD1
Output Delay to
“1”
AC Test
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
tPD0
Output Delay to
“0”
AC Test
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
tSV
CS to Status
Valid
AC Test
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
tDF
CS to DO in High AC Test
Impedance
CS = VIL
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
tWP
Endurance(1)
Write Cycle Time
5.0V, 25°C
4.5V ≤ VCC ≤ 5.5V
0.1
3
1M
Note: 1. This parameter is characterized and is not 100% tested.
Max
2
1
0.25
250
250
1000
250
250
1000
250
250
1000
100
100
400
10
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
Write Cycles
4 AT93C46/56/66
0172Z–SEEPR–9/05
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