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AT24C128-10PI-27 Datasheet, PDF (5/18 Pages) ATMEL Corporation – Low-voltage and Standard-voltage Operation
AT24C128/256
AC Characteristics
Applicable over recommended operating range from TA = -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
0.6
µs
4.0
1.0
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
4.7
0.6
0.25
0
0
0
200
100
100
1.0
0.3
0.3
300
300
100
4.7
0.6
0.25
100
50
50
20
10
10
100K
100K
100K
µs
µs
µs
ns
µs
ns
µs
ns
ms
Write
Cycles
Notes:
1. This parameter is characterized and is not 100% tested.
2. AC measurement conditions:
RL (connects to VCC): 1.3KΩ (2.5V, 5V), 10KΩ (1.8V)
Input pulse voltages: 0.3VCC to 0.7VCC
Input rise and fall times: ≤50ns
Input and output timing reference voltages: 0.5VCC
5
0670E–07/01