- DS1511W
- Dallas Semiconductor
- Y2KC Watchdog Real Time Clock
- DS1511WE
- Dallas Semiconductor
- 3.3 V, 2K-compliant watchdog real-time clock
- DS1511WEN
- Dallas Semiconductor
- 3.3 V, 2K-compliant watchdog real-time clock
- DS1511WN
- Dallas Semiconductor
- 3.3 V, 2K-compliant watchdog real-time clock
- DS1511WS
- Dallas Semiconductor
- 3.3 V, 2K-compliant watchdog real-time clock
- DS1511WSN
- Dallas Semiconductor
- 3.3 V, 2K-compliant watchdog real-time clock
- DS1511W
- Maxim Integrated
- IC RTC CLK/CALENDAR PAR 28-EDIP
- DS1511W+
- Maxim Integrated
- Real Time Clock Y2K-Compliant Watchdog