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AT93C46 Datasheet(PDF) 4 Page - ATMEL Corporation

Part # AT93C46
Description  Three-wire Serial EEPROM
PDF  18 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT93C46 Datasheet(HTML) 4 Page - ATMEL Corporation

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4
AT93C46
5140B–SEEPR–2/07
Note:
1. This parameter is characterized and is not 100% tested.
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
Max
Units
fSK
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
tSKH
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
tSKL
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
tCS
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
tCSS
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
tDIS
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
tCSH
CS Hold Time
Relative to SK
0
ns
tDIH
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
tPD1
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
tPD0
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
tSV
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
tDF
CS to DO in High
Impedance
AC Test
CS = VIL
4.5V
≤ V
CC ≤ 5.5V
2.7V
≤ V
CC ≤ 5.5V
1.8V
≤ V
CC ≤ 5.5V
100
100
400
ns
tWP
Write Cycle Time
10
ms
4.5V
≤ V
CC ≤ 5.5V
0.1
3
ms
Endurance(1)
5.0V, 25°C
1M
Write Cycles



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