| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | BQ4802YPWRG4 | Texas Instruments | 1 TIMER(S), REAL TIME CLOCK, PDSO28, GREEN, PLASTIC, TSSOP-28 |
No Image | RX-8581NB | Seiko | Real Time Clock, 0 Timer(s), CMOS, PDSO22, ROHS COMPLIANT, SON-22 |
 | BQ4802YPWR | Texas Instruments | 1 TIMER(S), REAL TIME CLOCK, PDSO28, GREEN, PLASTIC, TSSOP-28 |
 | DS1284QN | Maxim | Real Time Clock, Volatile, 1 Timer(s), CMOS, PQCC28, 0.452 INCH, PLASTIC, LCC-28 |
 | AB0814-T3 | Abracon | Real Time Clock Interface SPI HH:MM:SS:hh 12/24 hr |
No Image | IS82C54-10Z96 | Renesas | CMOS Programmable Interval Timer |
No Image | ID82C54 | Renesas | CMOS Programmable Interval Timer |
No Image | ISL12020MIRZ-T | Renesas | Real Time Clock with Embedded Crystal, ±5ppm Accuracy |
No Image | DS1556WP-120IND+ | Maxim | RTC IC | 128KB RAM | Parallel Interface | 3.3V | Module |
 | CDP68HC68T1M | Intersil | IC RTC CLK/CALENDAR SPI 20-SOIC |
 | DS1743P-85+ | Maxim | IC RTC CLK/CALENDAR PAR 34-PCM |
 | DS1305N | Maxim | Real Time Clock, Volatile, 0 Timer(s), CMOS, PDIP16, 0.300 INCH, DIP-16 |
 | ISL12030IBZ | Intersil | IC RTC CLK/CALENDAR I2C 8-SOIC |
 | ISL12027IVAZ-T | Intersil | Real Time Clock/Calendar with EEPROM; SOIC8, TSSOP8; Temp Range: -40° to 85°C |
 | PCF8523TS/1 | NXP | 1 TIMER(S), REAL TIME CLOCK, PDSO14, 4.40 MM HEIGHT, PLASTIC, TSSOP-14 |
 | AB1801-T3 | Abracon | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, 3 X 3 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, QFN-16 |
 | DP8573AV | Texas Instruments | Real Time Clock (RTC) 28-PLCC -40 to 85 |
 | DS1244WP-120IND+ | Maxim | IC RTC PHANTOM PAR 34-PCM |
 | ISL12029IB27AZ-T | Intersil | Real Time Clock/Calendar with I<sup>2</sup>C Bus™ and EEPROM; SOIC14, TSSOP14; Temp Range: -40° to 85°C |
 | M41T256YMH7E | Stmicroelectronics | 0 TIMER(S), REAL TIME CLOCK, PDSO44, 0.330 INCH, LEAD FREE, PLASTIC, SOH-44 |