S-35770E01A-K8T2U Datasheet, PDF (4/26 Pages) Seiko Instruments Inc – CONVENIENCE TIMER

FOR AUTOMOTIVE 125°C OPERATION 2-WIRE COUNTER CONVENIENCE TIMER
S-35770 Series
Rev.1.2_00
 Pin Configuration
1. TMSOP-8
Top view
1
8
2
7
3
6
4
5
Figure 2
Table 3 List of Pins
Pin No.
1
2
3
4
5
6
7
8
Symbol Description
I/O
_______
RST
Input pin for
reset signal
Input
NC^*1
CLKIN
VSS
LOOP
SDA
SCL
VDD
No connection
−
Input pin for
external clock
GND pin
Output pin for
counter loop flag
I/O pin for serial
data
Input pin for
serial clock
Pin for positive
power supply
Input
−
Output
Bi-directional
Input
−
Configuration
CMOS input
(With / without
pull-up resistor is selectable)
−
CMOS input
−
Nch open-drain output /
CMOS output is selectable
Nch open-drain output,
CMOS input
CMOS input
−
*1. The NC pin is electrically open.
Therefore, leave it open or connect it to VDD pin or VSS pin.
4