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AT24C256C_09 Datasheet, PDF (5/21 Pages) ATMEL Corporation – Two-wire Serial EEPROM
AT24C256C [Preliminary]
Table 4. AC Characteristics (Industrial Temperature)
Applicable over recommended operating range from:
T
AI
=
−
40°C
to
+85°C,
V
CC
=
+1.7V
to
+5.5V,
CL
=
100
pF
(unless
otherwise
noted).
Test
conditions
are
listed
in
Note
2.
Symbol
Parameter
1.7-volt
Min Max
2.5, 5.0-volt
Min Max
Units
fSCL
tLOW
tHIGH
tI
tAA
tBUF
tHD.STA
tSU.STA
tHD.DAT
tSU.DAT
tR
tF
tSU.STO
tDH
tWR
Endurance(1)
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Noise Suppression Time(1)
Clock Low to Data Out Valid
Time the bus must be free before a new transmission can start(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
25°C, Page Mode, 3.3V
1.3
0.6
0.05
1.3
0.6
0.6
0
100
0.6
50
400
0.4
0.4
100
0.9
0.05
0.5
0.25
0.25
0
100
0.3
300
0.25
50
5
1,000,000
1000
50
0.55
0.3
100
5
kHz
μs
μs
ns
μs
μs
μs
μs
μs
ns
μs
ns
μs
ns
ms
Write
Cycles
Note:
1. This parameter is ensured by characterization and is not 100% tested.
2. AC measurement conditions:
R (connects to V ): 1.3 kΩ (2.5V, 5.5V), 10 kΩ (1.7V)
L
CC
Input pulse voltages: 0.3 V to 0.7 V
Input
rise
and
fall
times:
≤
CC
50
ns
CC
Input and output timing reference voltages: 0.5 V
CC
5
8568A–SEEPR–9/09