AT93C46D-PU 查看數據表（PDF） - Atmel Corporation
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AT93C46D-PU Datasheet PDF : 21 Pages
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Table 1-3. AC Characteristics
Applicable over recommended operating range from TAI = −40°C to + 85°C, VCC = +2.7V to +5.5V,
CL = 1 TTL Gate and 100 pF (unless otherwise noted)
Symbol
Parameter
Test Condition
Min
Typ
Max
fSK
SK Clock
Frequency
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
0
2
0
1
0
0.25
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
4.5V ≤ VCC ≤ 5.5V
tPD1
Output Delay to “1” AC Test
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
250
250
1000
4.5V ≤ VCC ≤ 5.5V
tPD0
Output Delay to “0” AC Test
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
250
250
1000
4.5V ≤ VCC ≤ 5.5V
tSV
CS to Status Valid AC Test
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
250
250
1000
tDF
CS to DO in High
Impedance
AC Test
CS = VIL
4.5V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
1.8V ≤ VCC ≤ 5.5V
100
150
400
tWP
Endurance(1)
Write Cycle Time
5.0V, 25°C
1.8V ≤ VCC ≤ 5.5V
0.1
3
5
1M
Note: 1. This parameter is ensured by characterization.
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Write Cycles
4 AT93C46D
5193F–SEEPR–1/08
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