S-19400 Datasheet, PDF (1/36 Pages) Seiko Instruments Inc – Watchdog operation voltage range

S-19400/19401 Series
www.sii-ic.com
FOR AUTOMOTIVE 125°C OPERATION LOW CURRENT CONSUMPTION
WATCHDOG TIMER WITH RESET FUNCTION
© SII Semiconductor Corporation, 2014-2016
Rev.2.1_00
The S-19400/19401 Series is a watchdog timer developed using CMOS technology, which can operate with low current
consumption of 3.8 μA typ. The reset function and the low voltage detection function are available.
Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product in
the purpose, contact to SII Semiconductor Corporation is indispensable.
 Features
• Detection voltage:
• Detection voltage accuracy:
• Input voltage:
• Hysteresis width:
• Current consumption:
• Reset time-out period:
• Watchdog operation is switchable:
• Watchdog operation voltage range:
• Watchdog mode switching function^*1:
• Watchdog input edge is selectable:
• Product type is selectable:
• Operation temperature range:
• Lead-free (Sn 100%), halogen-free
• AEC-Q100 qualified^*2
2.0 V to 5.0 V, selectable in 0.1 V step
±2.0%
V_DD = 0.9 V to 6.0 V
5% typ.
3.8 μA typ.
14.5 ms typ. (C_POR = 2200 pF)
Enable, Disable
2.5 V to 6.0 V
Time-out mode, window mode
Rising edge, falling edge, both rising and falling edges
S-19400 Serie_{_}s_{__}
________
(Product with W / T pin (Output: WDO pin))
S-19401 Series _{___}
_______
________
(Product without W / T pin (Output: RST pin, WDO pin))
Ta = −40°C to +125°C
*1. The S-19401 Series is fixed to the window mode.
*2. Contact our sales office for details.
 Applications
• For automotive use (engine, transmission, suspension, ABS, related-devices for EV / HEV / PHEV, etc.)
 Packages
• TMSOP-8
• HSNT-8(2030)
1