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PDF RTC-8564JE Data sheet ( Hoja de datos )
| Número de pieza | RTC-8564JE | |
| Descripción | I2C-BUS INTERFACE REAL TIME CLOCK MODULE | |
| Fabricantes | ETC | |
| Logotipo |  |
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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
VDD
IDD
Vi
Vo
Condition
Between VDD and GND
VDD pin
Input pin
INT pins
Min.
-0.5
-50
GND-0.5
DC Input current
Ii
— -10
DC Output current
Io
Storage temperature Range TSTG As single part -55
Operating range
Item
Symbol Condition
Min.
Supply voltage range
Clock voltage range
Operating temperature range
VDD
TOPR
I2C-BUS access at
400 kHz
—
1.8
VLOW
-40
Max.
+6.5
50
VDD+0.5
10
+125
Max.
5.5
+85
Unit
V
mA
V
mA
˚C
Unit
V
˚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 I2 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)
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet RTC-8564JE.PDF ] | |
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