5
AT24C512
1116K–SEEPR–1/04
Notes: 1. This parameter is characterized and is not 100% tested.
2. AC measurement conditions:
R
L
(connects to V
CC
): 1.3 kΩ (2.7V, 5V), 10 kΩ (1.8V)
Input pulse voltages: 0.3V
CC
to 0.7V
CC
Input rise and fall times: ≤50 ns
Input and output timing reference voltages: 0.5V
CC
3. The Write Cycle Time of 5 ms only applies to the AT24C512 devices bearing the process letter “A” on the package (the mark
is located in the lower right corner on the top side of the package).
AC Characteristics
Applicable over recommended operating range from T
A
= -40° C to +85° C, V
CC
= +1.8V to +5.5V, C
L
= 100 pF (unless oth-
erwise noted). Test conditions are listed in Note 2.
Symbol Parameter
1.8-volt 2.7-volt 5.0-volt
UnitsMin Max Min Max Min Max
f
SCL
Clock Frequency, SCL 100 400 1000 kHz
t
LOW
Clock Pulse Width Low 4.7 1.3 0.4 µs
t
HIGH
Clock Pulse Width High 4.0 1.0 0.4 µs
t
AA
Clock Low to Data Out Valid 0.1 4.5 0.05 0.9 0.05 0.55 µs
t
BUF
Time the bus must be free before a
new transmission can start
(1)
4.7 1.3 0.5 µs
t
HD.STA
Start Hold Time 4.0 0.6 0.25 µs
t
SU.STA
Start Set-up Time 4.7 0.6 0.25 µs
t
HD.DAT
Data In Hold Time 0 0 0 µs
t
SU.DAT
Data In Set-up Time 200 100 100 ns
t
R
Inputs Rise Time
(1)
1.0 0.3 0.3 µs
t
F
Inputs Fall Time
(1)
300 300 100 ns
t
SU.STO
Stop Set-up Time 4.7 0.6 0.25 µs
t
DH
Data Out Hold Time 100 50 50 ns
t
WR
Write Cycle Time 20 or 5
(3)
10 or 5
(3)
10 or 5
(3)
ms
Endurance
(1)
5.0V, 25° C, Page Mode 100K 100K 100K Write Cycles