s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 2

• Manufacturer Part Number: s-35192a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

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