| Type | Description | 
|---|---|
| Series: | - | 
| Package: | Tube | 
| Part Status: | Obsolete | 
| Type: | Clock/Calendar | 
| Features: | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 
| Memory Size: | 256B | 
| Time Format: | HH:MM:SS (24 hr) | 
| Date Format: | YY-MM-DD-dd | 
| Interface: | Parallel | 
| Voltage - Supply: | 4.5V ~ 5.5V | 
| Voltage - Supply, Battery: | 2.5V ~ 3.7V | 
| Current - Timekeeping (Max): | 5mA @ 4.5V ~ 5.5V | 
| Operating Temperature: | 0°C ~ 70°C | 
| Mounting Type: | Through Hole | 
| Package / Case: | 28-DIP (0.600", 15.24mm) | 
| Supplier Device Package: | 28-PDIP | 
| Image | Part Number | Description | Stock / Unit Price | 
|---|---|---|---|
|  | DS1689SMaxim Integrated | IC RTC CLK/CALENDAR PAR 28-SOIC | In Stock: 0 $0.00000 | 
|  | X1288S16-4.5AT1Intersil (Renesas Electronics America) | IC RTC CLK/CALENDAR I2C 16-SOIC | In Stock: 0 $0.00000 | 
|  | M41ST87YMX6TRSTMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | In Stock: 0 $0.00000 | 
|  | DS1643-100+Maxim Integrated | IC RTC CLK/CALENDAR PAR 28-EDIP | In Stock: 0 $0.00000 | 
|  | MCP795B10-I/STRoving Networks / Microchip Technology | IC RTC CLK/CALENDAR SPI 14-TSSOP | In Stock: 0 $0.00000 | 
|  | X1288S16I-2.7AIntersil (Renesas Electronics America) | IC RTC CLK/CALENDAR I2C 16-SOIC | In Stock: 0 $0.00000 | 
|  | DS17485E-5Maxim Integrated | IC RTC CLK/CALENDAR PAR 28-TSOP | In Stock: 0 $0.00000 | 
|  | MAX6916EO50+Maxim Integrated | IC RTC SPI COMPAT 20-QSOP | In Stock: 0 $0.00000 | 
|  | X1226S8ZT1Intersil (Renesas Electronics America) | IC RTC CLK/CALENDAR I2C 8-SOIC | In Stock: 0 $0.00000 | 
|  | PT7C4372AWEXZetex Semiconductors (Diodes Inc.) | IC RTC CAL I2C/2-WIRE SER 8SOIC | In Stock: 0 $0.00000 |