S-35190A Datasheet, PDF (2/53 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

3-WIRE REAL-TIME CLOCK
S-35190A
Rev.2.4_00
„ Pin Configuration
8-Pin SOP (JEDEC)
Top view
INT ₁
XOUT 2
XIN ₃
VSS 4
8 VDD
7 SIO
6 SCK
5 CS
(1.84 × 1.97 × 0.6 max)
Figure 1 Pin Configuration (S-35190A-J8T1G)
INT
XOUT
XIN
VSS
8-Pin TSSOP
Top view
1
8
2
7
3
6
4
5
VDD
SIO
SCK
CS
Figure 2 Pin Configuration (S-35190A-T8T1G)
INT
XOUT
XIN
VSS
SNT-8A
Top view
1
8
2
7
3
6
4
5
VDD
SIO
SCK
CS
Figure 3 Pin Configuration (S-35190A-I8T1G)
„ List of Pin
Pin No.
1
2
3
4
5
6
7
8
Symbol
INT
XOUT
XIN
VSS
CS
SCK
Description
Output pin for
Interrupt signal
Connection pin for
crystal oscillator
GND pin
Input pin for chip
select
Input pin for serial
clock
SIO
I/O pin for serial
data
VDD
Pin for positive
power supply
Table 1
I/O
Output
Configuration
Nch open-drain output
(no protective diode at VDD)
−
−
−
−
Input
CMOS input
(built-in pull-down resistor. 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
−
−
2
Seiko Instruments Inc.