HT46R47E/HT46C47E
EEPROM A.C. Characteristics
Ta=25°C
Standard Mode*
VCC=5V±10%
Symbol
fSK
Parameter
Remark
Unit
Min.
¾
Max.
100
¾
Min.
¾
Max.
400
¾
Clock Frequency
kHz
ns
¾
¾
¾
tHIGH
tLOW
tr
Clock High Time
4000
4700
¾
600
1200
¾
Clock Low Time
ns
¾
¾
SDA and SCL Rise Time
SDA and SCL Fall Time
Note
Note
1000
300
300
300
ns
tf
ns
¾
¾
After this period the
first clock pulse is
generated
tHD:STA
START Condition Hold Time
START Condition Setup Time
4000
4000
600
600
ns
ns
¾
¾
¾
¾
Only relevant for
repeated START
condition
tSU:STA
tHD:DAT
tSU:DAT
tSU:STO
tAA
Data Input Hold Time
0
0
ns
ns
ns
ns
¾
¾
¾
¾
¾
¾
¾
¾
Data Input Setup Time
STOP Condition Setup Time
Output Valid from Clock
200
4000
¾
100
600
¾
¾
¾
3500
900
Time in which the bus
must be free before a
new transmission can
start
tBUF
Bus Free Time
4700
1200
ns
¾
¾
Input Filter Time Constant
(SDA and SCL Pins)
Noise suppression
time
tSP
100
5
50
5
ns
¾
¾
¾
¾
tWR
Write Cycle Time
ms
¾
Note: These parameters are periodically sampled but not 100% tested
* The standard mode means VCC=2.2V to 5.5V
For relative timing, refer to timing diagrams
Rev. 1.30
6
July 13, 2005
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
