S-35192A Datasheet, PDF (2/41 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

3-WIRE REAL-TIME CLOCK
S-35192A
Rev.1.2_00
„ Pin Configuration
32KO
XOUT
XIN
VSS
SNT-8A
Top view
1
8
2
7
3
6
4
5
VDD
SIO
SCK
CS
Figure 1 Pin Configuration (S-35192A-I8T1G)
„ List of Pin
Table 1
Pin No.
1
2
3
4
5
6
7
8
Symbol
32KO
XOUT
XIN
VSS
Description
Pin for constant output of
32.768 kHz
Connection pin for crystal
oscillator
GND pin
CS Input pin for chip select
SCK Input pin for serial clock
SIO I/O pin for serial data
VDD Pin for positive power supply
I/O
Output
Configuration
Nch open-drain output
(no protective diode at VDD)
−
−
−
Input
Input
Bi-directional
−
−
CMOS input
(built-in pull-down resistor. no protective diode
at VDD)
CMOS input
(no protective diode at VDD)
Nch open-drain output
(no protective diode at VDD)
CMOS input
−
2
Seiko Instruments Inc.