User Manual

5
AT24C1024
1471D–07/01
AC Characteristics
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)
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
A
= -40°C to +85°C, V
CC
= +2.7V to +5.5V, C
L
= 100 pF (unless
otherwise noted). Test conditions are listed in Note 2.
Symbol Parameter Test Conditions Min Max Units
f
SCL
Clock Frequency, SCL
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
1000
400
kHz
t
LOW
Clock Pulse Width Low
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.6
1.3
µs
t
HIGH
Clock Pulse Width High
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.4
1.0
µs
t
AA
Clock Low to Data Out Valid
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.05
0.05
0.55
0.9
µs
t
BUF
Time the bus must be free before a new
transmission can start
(1)
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.5
1.3
µs
t
HD.STA
Start Hold Time
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.25
0.6
µs
t
SU.STA
Start Setup Time
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.25
0.6
µs
t
HD.DAT
Data In Hold Time 0 µs
t
SU.DAT
Data In Setup Time 100 ns
t
R
Inputs Rise Time
(1)
0.3 µs
t
F
Inputs Fall Time
(1)
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
100
300
ns
t
SU.STO
Stop Setup Time
4.5V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
0.25
0.6
µs
t
DH
Data Out Hold Time 50 ns
t
WR
Write Cycle Time 10 ms
Endurance
(1)
5.0V, 25°C, Page Mode 100K Write Cycles