2-WIRE REAL-TIME CLOCK
S-35390A
Pin Configuration
8-Pin SOP (JEDEC)
Top view
INT1
XOUT
XIN
VSS
Rev.2.4
_00
1
2
3
4
8
7
6
5
VDD
SDA
SCL
INT2
Figure 1
Pin Configuration (S-35390A-J8T1G)
8-Pin TSSOP
Top view
INT1
XOUT
XIN
VSS
1
2
3
4
8
7
6
5
VDD
SDA
SCL
INT2
Figure 2
Pin Configuration (S-35390A-T8T1G)
SNT-8A
Top view
INT1
XOUT
XIN
VSS
Figure 3
1
2
3
4
8
7
6
5
VDD
SDA
SCL
INT2
Pin Configuration (S-35390A-I8T1G)
List of Pin
Table 1
Pin No.
1
Symbol
Description
Output pin for
interrupt signal 1
Connection pin for
crystal oscillator
I/O
Configuration
Nch open-drain output
(no protective diode at VDD)
INT1
XOUT
XIN
VSS
INT2
Output
−
−
Output
2
3
4
5
6
7
8
−
−
SCL
SDA
VDD
GND pin
Output pin for
interrupt signal 2
Input pin for serial
clock
I/O pin for serial data
Pin for positive power
supply
Nch open-drain output
(no protective diode at VDD)
CMOS input
Input
(no protective diode at VDD)
Nch open-drain output
Bi-directional (no protective diode at VDD)
CMOS input
−
−
2
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
