HT1382_1105 HOLTEK [Holtek Semiconductor Inc], HT1382_1105 Datasheet - Page 6

• Manufacturer Part Number: HT1382_1105
• Description: I2C/3-Wire Real Time Clock
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Note: These parameters are periodically sampled but not 100% tested
Rev. 1.40
f
t
t
t
t
t
t
t
t
t
t
t
t
f
t
t
t
t
t
t
t
Symbol
Symbol
SCL
HIGH
LOW
r
f
HD:STA
SU:STA
HD:DAT
SU:DAT
SU:STO
AA
BUF
SP
SCLK
DC
CDH
CDD
CL
CH
r
f
I
3-wire Interface
2
C Interface
Clock frequency
Clock High Time
Clock Low Time
SDA and SCL Rise Time
SDA and SCL Fall Time
START Condition Hold Time
START Condition Setup Time
Data Input Hold Time
Data Input Setup Time
STOP Condition Setup Time
Output Valid from Clock
Bus Free Time
Input Filter Time Constant
(SDA and SCL Pins)
Serial Clock
Data to Clock Setup
Clock to Data Hold
Clock to Data Delay
Clock Low Time
Clock High Time
Clock Rise and Fall time
Parameter
Parameter
After this period, the first clock pulse
is generated.
Only relevant for repeated START
condition.
Time in which the bus must be free
before a new transmission can start
Noise suppression time
V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
3V
5V
DD
Test Conditions
6
Remark
Note
Note
Conditions
I
2
C/3-Wire Real Time Clock
1300
1300
Min.
Min.
600
600
600
100
600
100
140
500
250
500
250
50
70
0
Typ.
Typ.
Ta= 40 C~85 C
Max.
Max.
1000
400
300
300
900
400
200
500
50
HT1382
1
2
May 27, 2011
MHz
MHz
Unit
Unit
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns