
AT24C1024
Table 4. AC Characteristics (1)
Applicable over recommended operating range from T A = –40 ° C to +85 ° C, V CC = +2.7V to +5.5V, C L = 100 pF (unless
otherwise noted)
Symbol
Parameter
Test Conditions
Min
Max
Units
f SCL
t LOW
t HIGH
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
0.4
1.3
0.4
0.6
1000
400
kHz
μs
μs
t AA
t BUF
t HD.STA
t SU.STA
Clock Low to Data Out Valid
Time the bus must be free before a new
transmission can start (2)
Start Hold Time
Start Setup Time
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
0.05
0.05
0.5
1.3
0.25
0.6
0.25
0.6
0.55
0.9
μs
μs
μs
μs
t HD.DAT
t SU.DAT
t R
Data In Hold Time
Data In Setup Time
Inputs Rise Time (2)
0
100
0.3
μs
ns
μs
t F
t SU.STO
t DH
t WR
Endurance (2)
Inputs Fall Time (2)
Stop Setup Time
Data Out Hold Time
Write Cycle Time
5.0V, 25 ° C, Page Mode
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
4.5V ≤ V CC ≤ 5.5V
2.7V ≤ V CC ≤ 5.5V
0.25
0.6
50
100K
100
300
10
ns
μs
ns
ms
Write Cycles
Notes: 1. AC measurement conditions:
R L (connects to V CC ): 1.3 k ? (2.7V, 5V)
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
2. This parameter is ensured by characterization only.
5
1471O–SEEPR–3/07