Atmel AT24C256C
Table 3-3.
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.
1.7V
Symbol
f
SCL
t
LOW
t
HIGH
t
I
t
AA
t
BUF
t
HD.STA
t
SU.STA
t
HD.DAT
t
SU.DAT
t
R
t
F
t
SU.STO
t
DH
t
WR
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
0.6
50
5
1,000,000
0.05
1.3
0.6
0.6
0
100
0.3
300
0.25
50
5
1.3
0.6
100
0.9
0.05
0.5
0.25
0.25
0
100
0.3
100
Parameter
Min
Max
400
0.4
0.4
50
0.55
Min
Max
1000
kHz
µs
µs
ns
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
ms
Write Cycles
2.5, 5.0V
Units
Note:
1. This parameter is ensured by characterization and is not 100% tested
2. AC measurement conditions:
- R
L
(connects to V
CC
): 1.3kΩ (2.5V, 5.5V), 10kΩ (1.7V)
- Input pulse voltages: 0.3V
CC
to 0.7V
CC
- Input rise and fall times:
≤
50ns
- Input and output timing reference voltages: 0.5V
CC
5
8568C–SEEPR–5/10
ATMEL [ ATMEL CORPORATION ]
