參數(shù)資料
型號: S-35390A-T8T1
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: REAL TIME CLOCK, PDSO8
封裝: TSSOP-8
文件頁數(shù): 23/48頁
文件大小: 542K
代理商: S-35390A-T8T1
2-WIRE REAL-TIME CLOCK
Rev.1.2_00
S-35390A
Seiko Instruments Inc.
3
Description of Pins
Table 1
Pin No.
Symbol
Description
Configuration
1
INT1
Interrupt 1 signal output pin
Depending on the mode set by INT1 register_1
and the status register, it outputs low or a clock
when the time is reached. It is disabled by
rewriting the status register.
Nch open-drain output (no
protective diode on the side
of VDD)
2
XOUT
Crystal oscillator connect pin (32,768 Hz)
3
XIN
(Cd built in, Cg external)
4
VSS
Negative power supply pin (GND)
5
INT2
Interrrupt 2 signal output pin
Depending on the mode set by INT1 register_2
and the status register, it outputs low or clock
when time is reached. It is disabled by rewriting
the status register.
Nch open-drain output (no
protective diode on the side
of VDD)
6
SCL
Serial clock input pin
Since signal processing is done on the SCL
signal rising/falling edge, give great care to the
rising/falling time and comply strictly with the
specifications.
CMOS input (no protective
diode on the side of VDD)
7
SDA
Serial data I/O pin
Normally, it is pulled up to the VDD voltage by a
resistor and connected with another open-drain
output or open-collector output device via a
wired-OR connection.
Nch open-drain output (no
protective diode on the side
of VDD)
CMOS input
8
VDD
Positive power supply pin
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