S-35390A Datasheet, PDF (2/54 Pages) Seiko Instruments Inc – 2-WIRE REAL-TIME CLOCK

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