| Part Number | Description | Package/Pins | Oper. Temp. (°C) |
| DS3232M | ±5ppm, I²C Real-Time Clock with Internal MEMs Resonator and user SRAM | SOIC(N)/8 | -40 to +85 |
| DS1308 | Low Current I2C RTC with 56-Byte NV RAM | µMAX/8 | -40 to +85 |
| DS1343 | Low-Current SPI RTC for 6pF High-ESR Crystals | TDFN-EP/14 ,TSSOP/20 | -40 to +85 |
| DS1344 | Low-Current SPI RTC for 12.5pF High-ESR Crystals | TDFN-EP/14 ,TSSOP/20 | -40 to +85 |
| DS3234 | Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM | SOIC(W)/20 | -40 to +85 ,0 to +70 |
| DS3232 | Extremely Accurate I2C-Integrated RTC/TCXO/Crystal and SRAM | SOIC(W)/20 | -40 to +85 ,0 to +70 |
| DS12CR887 | Real Time Clock | EDIP/24 | -40 to +85 |
| DS12R885 | RTC with Constant Voltage Trickle Charger | SOIC(W)/24 | -40 to +85 |
| DS12R887 | RTC with Constant Voltage Trickle Charger | BGA/48 | -40 to +85 |
| DS1338 | I2C-Compatible RTC with 56-Byte NV RAM | µMAX/8 ,SOIC(N)/8 ,SOIC(W)/16 | -40 to +85 |
| DS1338C | I2C-Compatible RTC with 56-Byte NV RAM | µMAX/8 ,SOIC(N)/8 ,SOIC(W)/16 | -40 to +85 |
| DS12885 | Real Time Clock | PDIP(W)/24 ,PLCC/28 ,SOIC(W)/24 ,TQFP/32 | -40 to +85 |
| DS1243 | 64K NV SRAM with Phantom Clock | EDIP/28 | 0 to +70 |
| DS1244 | 256K NV SRAM with Phantom Clock | EDIP/28 ,PCAP/34 | 0 to +70 |
| DS1248 | 1024K NV SRAM with Phantom Clock | EDIP/32 ,PCAP/34 | -40 to +85 |
| DS1251 | 4096K NV SRAM with Phantom Clock | EDIP/32 ,PCAP/34 | -40 to +85 |
| DS1254 | 2M x 8 NV SRAM with Phantom Clock | See Data Sheet | 0 to +70 |
| DS12887 | Real Time Clock | EDIP/24 | 0 to +70 |
| DS12887A | Real Time Clock | EDIP/24 | 0 to +70 |
| DS12C887 | Real Time Clock | EDIP/24 | 0 to +70 |
| DS12C887A | Real Time Clock | EDIP/24 | 0 to +70 |
| DS1302 | Trickle Charge Timekeeping Chip | PDIP(N)/8 ,SOIC/8 ,SOIC(N)/8 ,SOIC(W)/16 | -40 to +85 |
| DS1305 | Serial Alarm Real Time Clock (RTC) | PDIP(N)/16 ,TSSOP/20 | -40 to +85 |
| DS1306 | Serial Alarm Real Time Clock (RTC) | PDIP(N)/16 ,TSSOP/20 | -40 to +85 |
| DS1307 | 64 x 8 I2C-Compatible Real Time Clock | PDIP(N)/8 ,SOIC(N)/8 | -40 to +85 |
| DS1500 | Y2KC Watchdog RTC with NV Control | TSOP/32 | -40 to +85 |
| DS1501 | Y2KC Watchdog Real Time Clock | PDIP(W)/28 ,SOIC(W)/28 ,TSOP/28 | -40 to +85 |
| DS1511 | Y2KC Watchdog Real Time Clock | EDIP/28 | 0 to +70 |
| DS1553 | 64K NV Y2KC Timekeeping RAM | EDIP/28 ,PCAP/34 | 0 to +70 |
| DS1554 | 256K NV Y2KC Timekeeping RAM | EDIP/32 ,PCAP/34 | -40 to +85 |
| DS1556 | 1MEG NV Y2KC Timekeeping RAM | EDIP/32 ,PCAP/34 | -40 to +85 |
| DS1557 | 4MEG NV Y2KC Timekeeping RAM | PCAP/34 | -40 to +85 |
| DS1642 | Nonvolatile Timekeeping RAM | EDIP/24 | 0 to +70 |
| DS1643 | Nonvolatile Timekeeping RAM | EDIP/28 ,PCAP/34 | 0 to +70 |
| DS1685 | 3V/5V Real Time Clock | PDIP(W)/24 ,PLCC/28 ,SOIC(W)/24 ,TSSOP/24 | -40 to +85 |
| DS1687 | 3V/5V Real Time Clock | EDIP/24 | -40 to +85 |
| DS17285 | 3V/5V Real Time Clock | PDIP(W)/24 ,SOIC(W)/24 ,TSOP/28 | -40 to +85 |
| DS17287 | 3V/5V Real Time Clock | EDIP/24 | -40 to +85 |
| DS1742 | Y2KC Nonvolatile Timekeeping RAM | EDIP/24 | 0 to +70 |
| DS1743 | Y2KC Nonvolatile Timekeeping RAM | EDIP/28 ,PCAP/34 | 0 to +70 |
| DS1744 | Y2KC Nonvolatile Timekeeping RAM | EDIP/28 ,PCAP/34 | 0 to +70 |
| DS1746 | Y2KC Nonvolatile Timekeeping RAM | EDIP/32 ,PCAP/34 | 0 to +70 |
| DS1747 | Y2KC Nonvolatile Timekeeping RAM | EDIP/32 ,PCAP/34 | 0 to +70 |
| DS17485 | 3V/5V Real Time Clock | PDIP(W)/24 ,SOIC(W)/24 ,TSOP/28 | -40 to +85 |
| DS17487 | 3V/5V Real Time Clock | EDIP/24 | -40 to +85 |
| DS17885 | 3V/5V Real Time Clock | PDIP(W)/24 ,SOIC(W)/24 ,TSOP/28 | -40 to +85 |
| DS17887 | 3V/5V Real Time Clock | EDIP/24 | -40 to +85 |
| DS1678 | Real-Time Event Recorder | PDIP(N)/8 ,SOIC/8 | -40 to +85 |
