IZ1325 Datasheet PDF - Integral
| Part Number | IZ1325 | |
| Description | High-precision Real Time Clock circuit | |
| Manufacturers | Integral | |
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There is a preview and IZ1325 download ( pdf file ) link at the bottom of this page. Total 12 Pages | ||
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IZ1325
High-precision Real Time Clock circuit
with thermal compensation and built-in quartz resonator
(Functional analogue of RX8025SA by Company « Epson Toyocom »)
The IZ1325 high-precision real-time clock circuit with thermal compensation and built-in quartz
resonator, provides high accuracy counting the current time of the, generation of 6 system inter-
ruptions and two independent event signals. The device provides both 24/12-hour operation
modes and contains the built-in supply control circuit, frequency adjustment circuit for high ac-
curacy of the system generator. The IZ1325 support data and command exchange by means of
standard 2-wire interface (I2C-bus).
The IC is applied in the wide range of the industrial and household equipment and appli-
ances, where it is required to counting and processing of the system current time data.
Main functions:
• seconds, minites hours, weekday, date, month and year time counting;
• two operational modes12/24-hours;
• data and command exchange via 2-wire I2C-bus serial interface;
• 6 system interrupts generation;
• 2 independent alarms: day, hours, minutes and hours, minutes;
• supply voltage and system generator frequency monitoring.
Main features:
• Supply voltage, UDD, 1,7 … 5,5 V
• Oscilator operating supply voltage UCLK, 1,15 … 5,5 V
• Operating temperature range -40 to +85 °С
Table 1 – Contact pad description
Contact
pad num-
ber
01
02
03
04
05
06
07
08
09
10
11
Symbol
GND
INTA
X1
X2
FOE
VDD
TEST
FOUT
SCL
SDA
INTB
Description
Ground
Interrupt output A
Quartz resonator input
Quartz resonator output
Control input
Power supply
Test terminal
32.768 kHz clock output
I2C bus clock input
I2C bus input-output
Interrupt output B
Ver.1.0/02.11.2010
1 IZ1325-TSe
549888
www.bms.by
|
| |
 
START
Input/output
SDA
t SU:STA
Input
SCL
t RCV
Data
tSU:DAT
t HD:STA
Data
Data
t HD:DAT tHIGH
tLOW
t PL;DAT
tPZ;DAT
START condition hold time tHD:STA ≥ 0,6 μs.
SCL low time tLOW ≥ 1,3 μs.
SCL high time tHIGH ≥ 0,6 μs.
START condition set-up time tSU:STA ≥ 0,6 μs.
Data hold time tHD:DAT ≥ 0 ns.
Data set-up tSU:DAT ≥ 200 ns.
SCL fall to SDA low delay tPL DAT ≤ 900 ns.
SCL fall to SDA third state delay tPZ:DAT ≤ 900 ns.
STOP condition set-up time tSU:STO ≥ 0,6 μs.
STOP to START condition recovery time tRCV ≥ 62 μs.
Fig. 3 –Timing diagram of data transfer
IZ1325
STOP
t SU:STO
Ver.1.0/02.11.2010
5 IZ1325-TSe
549888
www.bms.by
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for IZ1325 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ IZ1325.PDF Datasheet ] | |
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