Manual

5
AT24C1024B [Preliminary]
5194D–SEEPR–5/07
Table 4. AC Characteristics (Industrial Temperature)
Notes: 1. This parameter is ensured by characterization only.
2. AC measurement conditions:
R
L
(connects to V
CC
): 1.3 kΩ (2.5V, 5V), 10 kΩ (1.8V)
Input pulse voltages: 0.3 V
CC
to 0.7 V
CC
Input rise and fall times: ≤ 50 ns
Input and output timing reference voltages: 0.5 V
CC
Applicable over recommended operating range from T
AI
= −40°C to +85°C, V
CC
= +1.8V to +3.6V, CL = 100 pF (unless oth-
erwise noted). Test conditions are listed in Note 2.
Symbol Parameter
1.8-volt 2.5, 5.0-volt
UnitsMin Max Min Max
f
SCL
Clock Frequency, SCL 400 1000 kHz
t
LOW
Clock Pulse Width Low 1.3 0.4 µs
t
HIGH
Clock Pulse Width High 0.6 0.4 µs
t
i
Noise Suppression Time
(1)
100 50 ns
t
AA
Clock Low to Data Out Valid 0.05 0.9 0.05 0.55 µs
t
BUF
Time the bus must be free before a
new transmission can start
(1)
1.3 0.5 µs
t
HD.STA
Start Hold Time 0.6 0.25 µs
t
SU.STA
Start Set-up Time 0.6 0.25 µs
t
HD.DAT
Data In Hold Time 0 0 µs
t
SU.DAT
Data In Set-up Time 100 100 ns
t
R
Inputs Rise Time
(1)
0.3 0.3 µs
t
F
Inputs Fall Time
(1)
300 100 ns
t
SU.STO
Stop Set-up Time 0.6 0.25 µs
t
DH
Data Out Hold Time 50 50 ns
t
WR
Write Cycle Time 5 5 ms
Endurance
(1)
25°C, Page Mode, 3.3V 1,000,000
Write
Cycles