Shanghai Belling Corp., Ltd
AC Electrical Characteristics
BL24C32/64
Applicable over recommended operating range from T
A
= –40
C to +85
C, VCC = +1.8V to +5.5V, CL
= 1 TTL Gate and 100 pF (unless otherwise noted)
Parameter
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
Inputs Fall Time
Stop Setup Time
Data Out Hold Time
Write Cycle Time
5.0V, 25
C, Byte Mode
Symbol
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
Enduran
ce
1.8, 2.7, 5.0-volt
Min.
-
1.2
0.6
-
0.1
1.2
0.6
0.6
0
100
-
-
0.6
50
-
1M
Typ.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max.
400
-
-
50
0.9
-
-
-
-
-
0.3
300
-
-
5
-
Units
kHz
µs
µs
ns
µs
µs
µs
µs
µs
ns
µs
ns
µs
ns
ms
Write
Cycles
Bus Timing
Figure 10.
SCL: Serial Clock, SDA: Serial Data I/O
9
BELLING [ SHANGHAI BELLING CO., LTD. ]
