RV8564C2 Datasheet, PDF (1/1 Pages) Golledge Electronics Ltd – Real Time clock

Real Time Clock
RV8564C2
5.20
(max)
3.40
(max)
ACTUAL SIZE
1.20
(max)
SOLDER PAD LAYOUT
0.90
10
6
2.20
1
5
1.00
0.40
0.60
1.00
TOP VIEW
PAD CONNECTION
PAD CONNECTION
1 Supply (VDD)
6 Ground
2 Frequency output (CLKOUT) 7 Interrupt output (/INT)
3 Not connected
8 Not connected
4 Serial clock input (SCL)
9 Not connected
5 Data (SDA)
10 FOUT output enable (CLKOE)
Scale 3:1
Features
« Equivalent to Epson RX-8564CF
« Compliant with I²C-Bus interface (400kHz)
« Built in crystal for adjustment-free operation
« Programmable alarm, timer and interrupt
« Low power consumption, low ageing
Block Diagram
32.768kHz
CRYSTAL
OSC
CLKOUT
CLKOE
/ INT
SCL
SDA
OUTPUT
CONTROL
I2C BUS
INTERFACE
PDR
VOLTAGE
DETECTOR
DIVIDER
CONTROL
LOGIC
ADDRESS
REGISTER
Control 1
00
Control 2
Seconds
Minutes
Hours
Days
Weekdays
Month / Century
Years
Minutes Alarm
Hour Alarm
Day Alarm
Weekday Alarm
CLKOUT Frequency
Timer Control
Timer
0F
Specifications
Parameters
Frequencies (selectable):
32.768kHz, 1024Hz, 32Hz & 1Hz
Product
RV8564C2
࡯
Frequency tolerance: ±10ppm
Ë¿
±20ppm
࡯
Other
Ë¿
Turnover temperature (T₀):
+25°C ±5°C
࡯
Frequency / temp coefficient:
-0.035ppm/°C² ±10%
࡯
Operating temperature range:
-40 to +85°C
࡯
Storage temperature range:
-55 to +125°C
࡯
Supply voltage (V_DD):
I²C bus active 1.8 ~ 5.5V
࡯
Data holding voltage (V_DD):
1.2 ~ 5.5V
࡯
Supply current (during access):
200µA max (fscl=100kHz)
࡯
800µA 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, ½ sine
࡯
±5ppm, 20g, 10.0 ~ 2,000Hz
࡯
Soldering condition:
Reflow, 260°C, 20 sec max
࡯
࡯ Standard. ˿ Optional - Please specify required code(s) when ordering
Option
Codes
A
B
specify
Ordering Information
Product + option code
eg: RV8564C2/B ±20ppm
Option code X (eg RV8564C2/X) denotes a custom spec.
Í· Available on T&R - 1.5k or 3.5k pcs per reel.
Í· Refer to our website for T&R and soldering details.
Í· The I²C-Bus is a trademark of Philips Electronics NBV
Tel: [phone]
11 Mar 2005
Fax: [phone]
E-mail: [e-mail]
Web: www.golledge.com