AT24C128N-10SJ Просмотр технического описания (PDF) - Atmel Corporation
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AT24C128N-10SJ Datasheet PDF : 20 Pages
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AT24C128/256
AC Characteristics
Applicable over recommended operating range from TAI = -40°C to +85°C, VCC = +1.8V to +5.5V, CL = 100 pF (unless oth-
erwise noted). Test conditions are listed in Note 2.
1.8-volt
2.5-volt
5.0-volt
Symbol
Parameter
Min Max Min Max Min Max Units
fSCL
tLOW
tHIGH
tAA
tBUF
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Clock Low to Data Out Valid
Time the bus must be free before a new
transmission can start(1)
100
400
1000 kHz
4.7
1.3
0.4
µs
4.0
0.6
0.4
µs
0.1 4.5 0.05 0.9 0.05 0.55
µs
4.7
1.3
0.5
µs
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR
Endurance(1)
Start Hold Time
Start Set-up Time
Data In Hold Time
Data In Set-up Time
Inputs Rise Time(1)
Inputs Fall Time(1)
Stop Set-up Time
Data Out Hold Time
Write Cycle Time
5.0V, 25°C, Page Mode
4.0
0.6
0.25
µs
4.7
0.6
0.25
µs
0
0
0
µs
200
100
100
ns
1.0
0.3
0.3
µs
300
300
100
ns
4.7
0.6
0.25
µs
100
50
50
ns
20
10
10
ms
1,000,000(3)
Write
Cycles
Notes:
1. This parameter is characterized and is not 100% tested.
2. AC measurement conditions:
RL (connects to VCC): 1.3 kΩ (2.5V, 5V), 10 kΩ (1.8V)
Input pulse voltages: 0.3 VCC to 0.7 VCC
Input rise and fall times: ≤50 ns
Input and output timing reference voltages: 0.5 VCC
3. The AT24C128/256 bearing the process letter “B” in the package marking (lower right corner on the top side of the package),
guarantees 1 million write cycle endurance (1.8 - 3.6V).
5
0670K–SEEPR–7/03
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