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ACE5372 Datasheet(PDF) 26 Page - ACE Technology Co., LTD.

Part # ACE5372
Description  Low Power Real-Time Clock (RTC)
Download  31 Pages
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Manufacturer  ACE [ACE Technology Co., LTD.]
Direct Link  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE5372 Datasheet(HTML) 26 Page - ACE Technology Co., LTD.

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ACE5372
Low Power Real-Time Clock (RTC)
VER 1.3
26
DC Characteristics
TOPT=-40℃ to +85℃, GND=0V, VDD=3.6V, fOSC=32,768Hz or 32,000Hz
Symbol
Item
Pin name
Conditions
Min.
Typ.
Max.
Unit
VIH
“H” Input Voltage
SCL, SDA
0.8VDD
6.0
V
VIL
“L” Input Voltage
SCL, SDA
-0.3
0.3VDD
V
IOL1
“L” Output Current
INTRA,
INTRB
VOL1=0.4V
1
mA
IOL2
SDA
VOL2=0.6V
7
mA
IILK
Input Leakage Current
SCL
VI=6VorGND
VDD=6V
-1
1
uA
VDD
Operating Voltage
VDD
GND
1.8
5.5
V
Counting Voltage
1.2
5.5
V
IOZ
Output Off State Leakage
Current
SDA, INTRA,
INTRB
VO=6VorGND
VDD=6V
-1
1
uA
IDD
Standby Current
VDD
VDD=5V,
TOPT=25℃
SCL,SDA=5V
0.4
uA
AC Characteristics
Characteristics Parameter
TA= -40℃ to +85℃,VDD =4.5V to 5.5V
Symbol
Item
Conditions
Min.
Max.
Unit
fSCL
SCL Clock Frequency
0
100
KHz
tLOW
SCL Clock “L” Time
4.7
us
tHIGH
SCL Clock “H” Time
5
us
tBUF
Bus release Time
before next data is transmitted
4.7
us
tSU:STA
Start Condition Setup Time
4.7
us
tSU:STO
Stop Condition Setup Time
4.7
us
tHD:STA
Start Condition Hold Time
4
us
tHD:STO
Stop Condition Hold Time
4
us
tSU:DAT
Data Setup Time
250
ns
tHD:DAT
Data input Hold Time
0
ns
THD
Data output Hold Time
SCL negedge to SDA data
changes
0
ns
tAA
clock output
SCL negedge to SDA data
availed
0.3
3.5
us
tR
Rising Time of SCL and SDA (Input)
1
us
tF
Falling Time of SCL and SDA (Input)
300
ns
tI
Spike width that can be removed with
100
ns


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