RTC-8564JE Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – I2C-BUS INTERFACE REAL TIME CLOCK MODULE

Real time clock module
I² C-BUS INTERFACE REAL TIME CLOCK MODULE
RTC-8564JE
• Built-in crystal unit allows adjustment-free efficient operation.
• Compliant with I²C high-speed bus specifications. (400 kHz)
• Equipped with alarm, timer, and frequency output (32.768 kHz,
1024 Hz,32 Hz,1 Hz) features.
• Inclusion of century bit to enable correct date even after year 2000
• Operating in wide voltage range from 1.8 to 5.5 V, and in wide
range of clock voltage from 1.2 to 5.5 V.
• Low power consumption at 275 nA/3.0 V. (Typ.)
Actual size
Specifications (characteristics)
Absolute Max. rating
Item
Supply voltage
Input voltage
Output voltage
Symbol Condition
Min.
Max. Unit
VDD Between VDD and GND -0.5
+6.5
V
IDD
VDD pin
-50
50
mA
Vi
Input pin
GND-0.5 VDD+0.5
V
Vo
INT pins
DC Input current
Ii
—
-10
10
mA
DC Output current
Io
Storage temperature Range _TSTG As single part -55
+125
˚C
Operating range
Item
Symbol Condition
Min.
Max.
Unit
Supply voltage range
I²C-BUS access at
400 kHz
1.8
VDD
Clock voltage range
VLOW
—
Operating temperature range TOPR
-40
5.5
V
+85
˚C
Frequency characteristics
Item
Symbol
Condition
Frequency precision ∆f/fo Ta=+25 ˚C, VDD=3.0 V
Frequency temperature
characteristics
Top
Ta=+25˚C,
-10 to +70 ˚C,VDD=3.0 V
Frequency voltage
characteristics
fv
Ta=+25 ˚C,
VDD=1.2 V to 5.5 V
Oscillation start-up time tSTA Ta=+25 ˚C, VDD=1.8 V
Aging
fa Ta=+25 ˚C, VDD=3.0 V
Max.
5±23
+10
-120
±2
3
±5
Unit
× 10^-6
× 10^-6/V
s
× 10^-6/year
DC characteristics
(VDD=1.8 to 5.5 V, Ta=-40 to +85˚C)
Item
Pin Symbol Condition Min. Typ. Max. Unit
Power current
(during access)
IDD0 ^{fSCL=400 kHz}
fSCL=100 kHz
— 800
200
fSCL=0 Hz, VDD=5.0 V
0.33 0.80
IDD fSCL=0 Hz, VDD=3.0 V
0.275 0.70
Power current
—
fSCL=0 Hz, VDD=2.0 V — 0.25 0.65 µA
(not during access)
fSCL=0 Hz, VDD=5.0 V
2.5 3.4
IDD32k fSCL=0 Hz, VDD=3.0 V
1.5 2.2
fSCL=0 Hz, VDD=2.0 V
1.1 1.6
“L” input voltage
“H” input voltage
VIL
GND -0.5
—
0.3xVDD _V
VIH
0.7xVDD
VDD+0.5
“L” output voltage SDA IOL(SDA)
-3
“L” output current
“H” output current
INT IOL(INT) VOL=0.4 V, VDD=5 V
-1
CLKOUT ^IOL(CLKOUT)
IOH(CLKOUT)
—
— — _mA
1
Leakage current
ILO VO=VDD or GND -1
1 µA
Low voltage detection
—
Ta=-40 °C to +85 °C
VLOW
—
0.9 1.1
V
Ta=-20 °C to +70 °C
0.9 1.0
69
The I ² C-Bus is a trademark of Philips Electronics N.V.
Terminal connection
2019 18 17 1615 14 13 12 11
1 2 3 4 5 6 7 8 9 10
No. Pin terminal
1
N.C
2
N.C
3 CLKOE
4
VDD
5 CLKOUT
6
SCL
7
SDA
8
(GND)
9
GND
10
INT
11
N.C
12
N.C
13
N.C
14
N.C
15
N.C
16
N.C
17
N.C
18
N.C
19
N.C
20
N.C
External dimensions
R8564
E 8476A
7.0±0.3
0.65
0.22
(Unit: mm)
6.0±0.2
(0.75)
(0.75)