S-19400 Datasheet, PDF (3/36 Pages) Seiko Instruments Inc – Watchdog operation voltage range

FOR AUTOMOTIVE 125°C OPERATION LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
Rev.2.1_00
S-19400/19401 Series
 AEC-Q100 Qualified
This IC supports AEC-Q100 for the operation temperature grade 1.
Contact our sales office for details of AEC-Q100 reliability specification.
 Product Name Structure
Users can select the product type, detection voltage, and package type for the S-19400/19401 Series. Refer to "1.
Product name" regarding the contents of product name, "2. Product type list" regarding the product types, "3.
Packages" regarding the package drawings.
1. Product name
S-1940 x x xx A - xxxx U 4
Environmental code
U:
Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications^*1
K8T2: TMSOP-8, Tape
A8T1: HSNT-8(2030), Tape
Operation temperature
A:
Ta = −40°C to +125°C
Detection voltage
20 to 50
(e.g., when the detection voltage is 2.0 V, it is expressed as 20.)
Product type 1^*2
A to L
Product type 2^*3
0, 1
*1. Refer to the tape drawing.
*2. Refer to "2. Product type list". _{___}
*3. 0: S-19_{_}4_{__}0_{__}0_{__}S_{_} eries (Product with W / T pin)
The WDO pin outputs the signals which are from the watchdog timer circuit and the voltage detection
circuit.
___
1: S-19_{_}4_{__}0_{_}1_{___}S_{_} eries (Product without W / T pin)
The WDO pin outputs the signals which are from the watchdog timer circuit and the voltage detection
circui_{_}t_{_}._{_____}
The RST pin outputs the signal which is from the voltage detection circuit.
The watchdog mode is fixed to the window mode.
3