s-35399a02 Seiko Instruments Inc., s-35399a02 Datasheet - Page 2

• Manufacturer Part Number: s-35399a02
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

2
2-WIRE REAL-TIME CLOCK
S-35399A02
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
INT
INT
SDA
VDD
VSS
SCL
XIN
2
1
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
Output pin for interrupt signal
2
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)
3
0 2 (1) (2)
XOUT
Bottom View
VDD
INT1
C3
C2
C1
WLP-12A
Top View
9 9 A
Figure 1
Figure 2
Bi-directional
Table 1
Lot number
Output
Output
Output
Output
Input
Input
I/O
CTRL
−
−
−
−
SCL
XIN
B3
B2
B1
INT2
SDA
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
Nch open-drain output
(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