24C32 / 24C64
AC Electrical Characteristics
¡
Applicable over recommended operating range from T
100 pF (unless otherwise noted)
Parameter
Symbol
A
= -40
。
to +85
。
V
CC
= +1.8V to +5.5V, CL = 1 TTL Gate and
C
C,
1.8-volt
5.0-volt
Max.
Min.
Typ.
Max.
Min.
Typ.
Units
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Noise Suppression Time
Clock Low to Data Out Valid
Time the bus must be free before
a new transmission can start
Start Hold Time
Start Setup Time
Data In Hold Time
Data In Setup Time
Inputs Rise Time(1)
Inputs Fall Time(1)
Stop Setup Time
Data Out Hold Time
Write Cycle Time
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
-
1.2
0.6
-
0.05
1.2
0.6
0.6
0
100
-
-
0.6
50
-
1M
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
400
-
-
50
0.9
-
-
-
-
-
0.3
300
-
-
5
-
-
0.6
0.4
-
0.05
0.5
0.25
0.25
0
100
-
-
0.25
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1000
-
-
40
0.55
-
-
-
-
-
0.3
100
-
-
5
-
kHz
s
s
s
s
s
s
s
s
ns
s
ns
s
ns
ms
Write Cycles
。
5.0V, 25 C, Byte Mode
Note
1. This parameter is characterized and is not 100% tested.
2. AC measurement conditions:
R
L
(connects
to V
CC
): 1.3 k
Input rise and fall time:
(2.5V, 5V), 10 k
(1.8V)
Input pulse voltages: 0.3 V
CC
to 0.7 V
CC
50 ns
Input and output timing reference voltages: 0.5 V
CC
The value of R
L
should be concerned according to the actual loading
on the user's system.
BEIJING ESTEK ELECTRONICS CO.,LTD
10
ESTEK [ Estek Electronics Co. Ltd ]
