em3027 EM Microelectronic, em3027 Datasheet - Page 6
em3027
Manufacturer Part Number
em3027
Description
Real-time Clock With I2c Or Spi Interface, Crystal Temperature Compensation, Battery Switchover And Trickle Charger
Manufacturer
EM Microelectronic
Datasheet
1.EM3027.pdf
(27 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
em3027IDS
Manufacturer:
EM
Quantity:
20 000
Part Number:
em3027IDSSO8B+
Manufacturer:
EMMICRO
Quantity:
20 000
4.1
4.2
Copyright © 2008, EM Microelectronic-Marin SA
07/08 – rev B
4
SCL/SCK
CLKOE
SDA/SO
V
V
V
EM 3027 Block Diagram and Application Schematic
Block Diagram
Application Schematic
Back
X1
X2
CS
cc
ss
SI
32.768 kHz
R
Oscillator
Stages
Inputs
Xtal
Switch over
V
High
SDA/SO
Prescaler
Regulator
Voltage
Buffers
Control
Output
INT
I2C
SPI
CLKOUT
6
Crystal Layout Example
Thermometer
Monitoring
EEPROM
Voltage
RAM
RTC
www.emmicroelectronic.com
EM3027
X1
X2
V
V
REG
SS
= 0V