Real Time Clock
RV8564C2
Tel:
+44 1460 256 100
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
11 Mar 2005
Features
Equivalent to Epson RX-8564CF
Compliant with I
2
C-Bus interface (400kHz)
Built in crystal for adjustment-free operation
Programmable alarm, timer and interrupt
Low power consumption, low ageing
ACTUAL SIZE
1.20
(max)
5.20
(max)
3.40
(max)
SOLDER PAD LAYOUT
TOP VIEW
2.20
0.60
1.00
0.90
0.40
1.00
PAD
1
2
3
4
5
CONNECTION
Supply (VDD)
Frequency output (CLKOUT)
Not connected
Serial clock input (SCL)
Data (SDA)
PAD
6
7
8
9
10
CONNECTION
Ground
Interrupt output (/INT)
Not connected
Not connected
FOUT output enable (CLKOE)
1
5
6
10
Scale 3:1
Option
Codes
RV8564C2
Product
Parameters
Product + option code
eg:
RV8564C2/B
20ppm
Option code X (eg RV8564C2/X) denotes a custom spec.
Ordering Information
Standard.
Optional - Please specify required code(s) when ordering
Specifications
Available on T&R - 1.5k or 3.5k pcs per reel.
Refer to our website for T&R and soldering details.
The I
2
C-Bus is a trademark of Philips Electronics NBV
Block Diagram
Control 2
Seconds
Minutes
Hours
Days
Weekdays
Month / Century
Years
Minutes Alarm
Hour Alarm
Day Alarm
Weekday Alarm
CLKOUT Frequency
Timer Control
Timer
ADDRESS
REGISTER
Control 1
SCL
CLKOE
/ INT
CLKOUT
00
0F
VOLTAGE
DETECTOR
I2C BUS
INTERFACE
CONTROL
LOGIC
OUTPUT
CONTROL
DIVIDER
OSC
PDR
SDA
32.768kHz
CRYSTAL
Frequencies (selectable):
32.768kHz, 1024Hz, 32Hz & 1Hz
Frequency tolerance:
10ppm
A
20ppm
B
Other
specify
Turnover temperature (T
0
):
+25C 5C
Frequency / temp coefficient:
-0.035ppm/C
2
10%
Operating temperature range:
-40 to +85C
Storage temperature range:
-55 to +125C
Supply voltage (V
DD
):
I
2
C bus active 1.8 ~ 5.5V
Data holding voltage (V
DD
):
1.2 ~ 5.5V
Supply current (during access):
200A max (fscl=100kHz)
800A max (fscl=400kHz)
Supply current (backup mode):
275nA typ (fscl=0Hz, V
DD
=3V)
250nA typ (fscl=0Hz, V
DD
=2V)
Start up time:
3s max
Ageing:
3ppm max first year
Shock and vibration resistance:
5ppm, 5,000g, 0.3ms, sine
5ppm, 20g, 10.0 ~ 2,000Hz
Soldering condition:
Reflow, 260C, 20 sec max
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