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QUAD Clock HH: MM: SS (24hr) CMOS Real Time Clock (RTC) IC 2009 SECONDS -40C~85C 0.032MHz

DUAL Clock HH: MM: SS CMOS Real Time Clock (RTC) IC 2010 SECONDS 512B 85C

Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 3V Vcc 28-SOIC 0 to 70

DS1556 Series 5.5V Parallel Through Hole Real Time Clock - DIP-32

IC RTC CLK/CALENDAR SPI 20-TSSOP / Real Time Clock (RTC) IC Clock/Calendar 96B SPI 20-TSSOP (0.173", 4.40mm Width)

IC RTC CLK/CALENDAR PAR 48-LQFP / Watchdog Clock with NV RAM Control

Ultra low power system timer (35 nA) for power gating in duty cycled applications 6-SOT-23-THIN -40 to 105

DUAL HH: MM: SS (12/24hr) CMOS Active Real Time Clock (RTC) IC 2000 SECONDS 2KB 0C~70C

Real Time Clock Serial 8byte Clock/Calendar/Alarm/Battery Backup 8-Pin MSOP Tube

Real Time Clock Multiplexed 242Byte 24-Pin SOIC W