HT24LC02
A.C. Characteristics
Standard
Mode*
V
=3V±10%
V
=5V±10%
CC
CC
Symbol
Parameter
Remark
Unit
Min.
Max.
100
¾
Min.
¾
Max.
400
¾
Min.
¾
Max.
1000
¾
f
Clock Frequency
¾
¾
¾
¾
4000
4700
¾
kHz
ns
SK
t
t
t
t
Clock High Time
600
1200
¾
400
600
¾
HIGH
Clock Low Time
¾
¾
¾
ns
LOW
SDA and SCL Rise Time
SDA and SCL Fall Time
Note
Note
1000
300
300
300
300
100
ns
r
f
¾
¾
¾
ns
After this period the first
clock pulse is generated
t
t
START Condition Hold Time
START Condition Setup Time
4000
4000
¾
¾
600
600
¾
¾
250
250
¾
¾
ns
ns
HD:STA
SU:STA
Only relevant for repeated
START condition
t
t
t
t
Data Input Hold Time
¾
0
¾
¾
0
¾
¾
¾
¾
¾
ns
ns
ns
ns
HD:DAT
SU:DAT
SU:STO
AA
Data Input Setup Time
STOP Condition Setup Time
Output Valid from Clock
¾
200
4000
¾
100
600
¾
100
250
50
¾
¾
¾
¾
¾
3500
900
550
Time in which the bus must
t
Bus Free Time
be free before a new trans- 4700
mission can start
¾
1200
¾
500
¾
ns
BUF
Input Filter Time Constant
(SDA and SCL Pins)
t
t
Noise suppression time
¾
¾
100
5
¾
¾
50
5
¾
¾
50
5
ns
SP
Write Cycle Time
¾
ms
WR
Note: These parameters are periodically sampled but not 100% tested
* The standard mode means VCC= 2.2V to 5.5V at Ta= -40°C to +85°C
For relative timing, refer to timing diagrams
Rev. 1.70
3
May 6, 2010
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
