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| PartNumber | CY14B256KA-SP45XI | CY14B256KA-SP25XIT | CY14B256KA-SP25XI |
| Description | Real Time Clock 256Kb 3V 45ns 32K x 8 nvSRAM | Real Time Clock 256Kb 3V 25ns 32K x 8 nvSRAM | Real Time Clock 256Kb 3V 25ns 32K x 8 nvSRAM |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-48 | SSOP-48 | SSOP-48 |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | DW:DM:M:Y |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| RTC Memory Size | 1 Mbit | 1 Mbit | 1 Mbit |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Reel | Tube |
| Function | Alarm, Clock, Timer Interrupt, Watchdog | Alarm, Clock, Timer Interrupt, Watchdog | Alarm, Clock, Timer Interrupt, Watchdog |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | CY14B256KA | CY14B256KA | CY14B256KA |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Current | 52 mA | 70 mA | 70 mA |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 60 | 1000 | 60 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.021175 oz | 0.021175 oz | 0.021175 oz |