| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | RTC-62421A | Epson | RTC 4BIT SERIAL INTERFACE, DIP18 |
No Image | PCF85063BTL | NXP | 1 TIMER(S), REAL TIME CLOCK, PDSO10 |
 | DS1673S-5 | Maxim | IC RTC SYSTEM CTRLR SER 20-SOIC |
 | DS17285SN-3 | Maxim | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24, 0.300 INCH, SOP-24 |
 | DS1673E-5+ | Maxim | IC RTC SYSTEM CTRLR SER 20-TSSOP |
 | DS14285N | Maxim | IC RTC CLK/CALENDAR PAR 24-DIP |
 | DS1687-5IND | Maxim | IC RTC CLK/CALENDAR PAR 24-EDIP |
 | ISL12057IRUZ-T | Intersil | IC RTC/CALENDAR I2C 8-UTDFN |
 | DS1743-100IND+ | Maxim | IC RTC CLK/CALENDAR PAR 28-EDIP |
No Image | PT7C4372ALEX | Diodes | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO8, GREEN, TSSOP-8 |
 | DS1678S | Maxim | Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDSO8, 0.208 INCH, SOP-8 |
 | DS12885 | Maxim | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP24, 0.600 INCH, PLASTIC, DIP-24 |
 | DS1284Q+T&R | Maxim | IC RTC CLK/CALENDAR PAR 28-PLCC |
 | DS1284QN/T&R | Maxim | IC RTC CLK/CALENDAR PAR 28-PLCC |
 | DS1501YS+T&R | Maxim | IC RTC CLK/CALENDAR PAR 28-SOIC |
No Image | M4T28-BR12SH1TR | Stmicroelectronics | 1 TIMER(S), REAL TIME CLOCK, DSS4, LEAD FREE, SNAPSHOT, SOIC-4 |
 | DS17885-5 | Maxim | IC RTC CLK/CALENDAR PAR 24-DIP |
No Image | PT7C4339UEX | Diodes | LOW POWER CONSUMPTION I2C REAL T |
 | DS1677E | Maxim | Serial Clock IC, 3-WIRE, 5V, TSSOP-20, 0-70°C |
 | DS1687-3+C01 | Maxim | Real Time Clock IC, Parallel Interface, 0°C to 70°C, 2.7V to 3.7V |