| Photo | Mfr. Part No. | Kywos Part No. | Manufacturer | Description | Package | Availability | Datasheet | Inquiry |
 | RTC-8564JE:B3:ROHS | KY-RTC-8564JE:B3:ROHS | EPSON | Real Time Clocks Alarm, Y2K Min 1.8V V Max 5.5V V | SOJ20 | 9257 In Stock |  | Inquiry |
 | RX-4045SA:AA3 | KY-RX-4045SA:AA3 | EPSON | Real Time Clocks Alarm, Leap Year Min 1.7V V Max 5.5V V | N/A | 4055 In Stock | | Inquiry |
 | RX8900CE:UA3 | KY-RX8900CE:UA3 | EPSON | Real Time Clocks Alarm | Tape & Reel (TR) | 11266 In Stock | | Inquiry |
 | RX-8581SA:B3:ROHS | KY-RX-8581SA:B3:ROHS | EPSON | Real Time Clocks Alarm, Leap Year Min 1.8V V Max 5.5V V | Cut Tape (CT) | 3344 In Stock | | Inquiry |
 | MCP7940N-I/MS | KY-MCP7940N-I/MS | Microchip Technology | 8 Terminations 2.5V 8 Pin MCP7940N Real Time Clocks Alarm, Leap Year, Square Wave Output, SRAM 0.032MHz Min 1.8 V V Max 5.5 V V | MSOP8 | 63285 In Stock | | Inquiry |
 | PCF85263ATL/AX | KY-PCF85263ATL/AX | NXP USA Inc. | 10 Terminations 3.3V 10 Pin Real Time Clocks Alarm, Leap Year, Watchdog Timer | DFN-EP-10 | 4344 In Stock | | Inquiry |
 | AB1814-T3 | KY-AB1814-T3 | Abracon LLC | 16 Terminations 1.8V 16 Pin Real Time Clocks Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer 0.032MHz | 16-VFQFNExposedPad | 8322 In Stock | | Inquiry |
 | M41T00CAPPC1 | KY-M41T00CAPPC1 | STMicroelectronics | 24 Terminations 24 Pin M41T00 Real Time Clocks Leap Year | 24-DIP(0.600",15.24mm) | 8816 In Stock | Inquiry | |
 | DS1687-5+ | KY-DS1687-5+ | Maxim Integrated | 24 Terminations 5V 24 Pin DS1687 Real Time Clocks Alarm, NVSRAM, Square Wave Output, Y2K 0.032MHz | 24-DIPModule(0.600",15.24mm) | 3139 In Stock | | Inquiry |
 | DS1742-100+ | KY-DS1742-100+ | Maxim Integrated | 24 Terminations 5V 24 Pin DS1742 Real Time Clocks Leap Year, NVSRAM, Y2K 0.032MHz | 24-DIPModule(0.600",15.24mm) | 7213 In Stock | | Inquiry |
 | DS1642-100+ | KY-DS1642-100+ | Maxim Integrated | 24 Terminations 5V 24 Pin DS1642 Real Time Clocks Leap Year, NVSRAM 0.032MHz | 24-DIPModule(0.600",15.24mm) | 3979 In Stock | | Inquiry |
 | DS12R885S-33+ | KY-DS12R885S-33+ | Maxim Integrated | 24 Terminations 3.3V 24 Pin DS12R885 Real Time Clocks Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 0.032MHz | 24-SOIC(0.295",7.50mmWidth) | 1892 In Stock | | Inquiry |
 | DS1685S-3+ | KY-DS1685S-3+ | Maxim Integrated | 24 Terminations 3V 24 Pin DS1685 Real Time Clocks Alarm, NVSRAM, Square Wave Output, Y2K 0.032MHz | 24-SOIC(0.295",7.50mmWidth) | 3252 In Stock | | Inquiry |
 | DS1685E-3 | KY-DS1685E-3 | Rochester Electronics, LLC | 24 Terminations 3V 24 Pin Real Time Clocks Alarm, NVSRAM, Square Wave Output, Y2K 0.032MHz | 24-TSSOP(0.173",4.40mmWidth) | 5517 In Stock | | Inquiry |
 | DS1501W | KY-DS1501W | Maxim Integrated | 28 Terminations 3.3V 28 Pin DS1501 Real Time Clocks Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 0.032MHz | 28-DIP(0.600",15.24mm) | 10628 In Stock | | Inquiry |
 | DS1744-70+ | KY-DS1744-70+ | Maxim Integrated | 28 Terminations 5V 28 Pin DS1744 Real Time Clocks Leap Year, NVSRAM, Y2K 0.032MHz | 28-DIPModule(0.600",15.24mm) | 8622 In Stock | | Inquiry |
 | DS12885Q+ | KY-DS12885Q+ | Maxim Integrated | 28 Terminations 5V 28 Pin DS12885 Real Time Clocks Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 0.032MHz | 28-LCC(J-Lead) | 3214 In Stock | | Inquiry |
 | M41ST85WMH6E | KY-M41ST85WMH6E | STMicroelectronics | 28 Terminations 3V 28 Pin M41ST Real Time Clocks Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 0.032MHz | 28-SOP(0.350",8.89mmWidth)withSNAPHATSockets | 1705 In Stock | | Inquiry |
 | M48T201Y-70MH1F | KY-M48T201Y-70MH1F | STMicroelectronics | 44 Terminations 5V 44 Pin M48T201 Real Time Clocks Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K | 44-BSOP(0.337",8.56mmWidth)requiresSNAPHAT | 9992 In Stock | | Inquiry |
 | X1227S8IZ | KY-X1227S8IZ | Intersil (Renesas Electronics America) | 8 Terminations 5V 8 Pin Real Time Clocks 0.032MHz | 8-SOIC(0.154",3.90mmWidth) | 9015 In Stock | | Inquiry |
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