Chearf Electronics Co.,Ltd - Your Trusted Partner in Electronic Components
[email protected]
[email protected]
- Service Hotline 0755 8277 2185
Real Time Clocks
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Grade | Qualification | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL12028IB27Z-TIC RTC CLK/CALENDAR I2C 14SOIC |
2,614 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOIC |
|
DS1685E-5IC RTC CLK/CALENDAR PAR 24TSSOP |
8,254 |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, NVSRAM, Square Wave Output, Y2K | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 24-TSSOP |
|
X1228S14I-4.5AIC RTC CLK/CALENDAR I2C 14SOIC |
9,980 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOIC |
|
DS17285-5IC RTC CLK/CALENDAR PAR 24DIP |
4,504 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
|
DS17285E-3+IC RTC CLK/CALENDAR PAR 28-TSOP |
8,384 |
|
Datasheet |
* | - | Tray | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
CDP6818DXIC RTC CLK/CALENDAR 24CERDIP |
7,196 |
|
Datasheet |
- | 24-CDIP (0.300", 7.62mm) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | 50B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 3V ~ 6V | - | 50µA ~ 3mA @ 3V ~ 5V | 0°C ~ 70°C (TA) | Through Hole | - | - | 24-CERDIP |
|
DS1315-33IC RTC PHANTOM CHIP PAR 16DIP |
3,752 |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | 2.5V ~ 3.7V | 1.1mA @ 3.3V | 0°C ~ 70°C | Through Hole | - | - | 16-PDIP |
|
DS12885TN+IC RTC CLK/CALENDAR PAR 32TQFP |
3,252 |
|
Datasheet |
- | 32-TQFP | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 15mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 32-TQFP (7x7) |
|
V3022SO28A+IC RTC CLOCK/CALENDAR 28SOIC |
4,230 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Last Time Buy | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 8B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | - | 2V ~ 5.5V | - | 15µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 28-SOIC |
|
|
DS17885-3+IC RTC CLK/CALENDAR PAR 24DIP |
3,006 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 8KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 3.7V | 2.5V ~ 3.7V | 2mA @ 2.7V ~ 3.7V | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
|
|
CDP6818DIC RTC CLK/CALENDAR 24CERDIP |
7,598 |
|
Datasheet |
- | 24-CDIP (0.300", 7.62mm) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | 50B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 3V ~ 6V | - | 50µA ~ 3mA @ 3V ~ 5V | 0°C ~ 70°C (TA) | Through Hole | - | - | 24-CERDIP |
|
|
BQ4802YDWIC RTC CLK/CALENDAR PAR 28SOIC |
6,248 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.4V ~ 4V | 1.5mA (Typ) @ 4.5 V ~ 5.5 V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOIC |
|
DS1553W-150IC RTC CLK/CALENDAR PAR 28EDIP |
3,274 |
|
Datasheet |
- | 28-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 8KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 2mA @ 3.3V | 0°C ~ 70°C | Through Hole | - | - | 28-EDIP |
|
DS1554W-120+IC RTC CLK/CALENDAR PAR 32-EDIP |
5,350 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 32KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | - | 4mA @ 3.3V | 0°C ~ 70°C | Through Hole | - | - | 32-EDIP |
|
DS1244WP-120IND+IC RTC PHANTOM CHIP PAR 34PCM |
6,932 |
|
Datasheet |
- | 34-PowerCap™ Module | Bulk | Obsolete | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 32KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 7mA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 34-PowerCap Module |
|
|
DS1556W-120IC RTC CLK/CALENDAR PAR 32EDIP |
8,612 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 128KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | - | 4mA @ 3.3V | 0°C ~ 70°C | Through Hole | - | - | 32-EDIP |
|
DP8570AVIC RTC TIMER PERIPH PAR 28PLCC |
6,236 |
|
Datasheet |
- | 28-LCC (J-Lead) | Bulk | Active | Not Verified | Timer Clock Peripheral (TCP) | Alarm, Leap Year | 44B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.2V ~ 5.1V | 1µA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 28-PLCC (11.51x11.51) |
|
|
DS1251W-120+IC RTC PHANTOM PAR 32-DIP |
9,682 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Bulk | Obsolete | Not Verified | Phantom Time Chip | Leap Year, NVSRAM | 512KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | - | 7mA @ 3.3V | 0°C ~ 70°C | Through Hole | - | - | 32-EDIP |
|
DS1315SN-33+IC RTC PHANTOM CHIP PAR 16SOIC |
9,944 |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | 2.5V ~ 3.7V | 1.1mA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
|
DS1315EN-33+IC RTC PHANTOM CHIP PAR 20TSSOP |
3,734 |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 3V ~ 3.6V | 2.5V ~ 3.7V | 1.1mA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 20-TSSOP |
