s-35199a01 Seiko Instruments Inc., s-35199a01 Datasheet - Page 2

• Manufacturer Part Number: s-35199a01
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

2
3-WIRE REAL-TIME CLOCK
S-35199A01
Pin Configuration
Marking Specifications
List of Pin
Pin No.
A1
B1
C1
D1
A2
B2
C2
D2
A3
B3
C3
D3
Symbol
XOUT
VDDL
FOUT
CTRL
F32K
SCK
VDD
VSS
SIO
INT
XIN
CS
GND pin
Connection pin for
crystal oscillator
Power supply pin for FOUT
output
I/O pin for serial data
Control pin for F32K output
Output pin for interrupt signal
Output pin for clock pulse
signal
Input pin for chip select
Input pin for serial clock
Pin for positive power supply
Pin for 32.768 kHz output
Description
FOUT
VDDL
F32K
Seiko Instruments Inc.
D3
D2
D1
(1.84 × 1.97 × 0.6 max)
1
0 1 (1) (2)
XOUT
Bottom View
VDD
INT
C3
C2
C1
WLP-12A
Top View
9 9 A
Figure 1
Figure 2
Bi-directional
Table 1
Lot number
Output
Output
Output
Input
Input
Input
I/O
CTRL
SCK
−
−
−
−
XIN
B3
B2
B1
SIO
CS
A3
A2
A1
VSS
Nch open-drain output
(no protective diode at VDD)
CMOS input
CMOS input
(built-in pull-down resistor. no protective diode at
VDD)
Nch open-drain output
(no protective diode at VDD)
CMOS output
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)
Configuration
−
−
−
−
Rev.1.0
_00