| Part Number | Description | Package/Pins | Oper. Temp. (°C) |
| DS1339B | Low-Current, I2C, Serial Real-Time Clock for High-ESR Crystals | µMAX/8 | -40 to +85 |
| DS1339A | Low-Current, I²C, Serial Real-Time Clock | µMAX/8 | -40 to +85 |
| DS1683 | Total-Elapsed-Time and Event Recorder with Alarm | SOIC(N)/8 | -40 to +85 |
| 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 |
| DS1347 | Low-Current, SPI-Compatible Real-Time Clock | TDFN-EP/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 |
| DS3231M | ±5ppm, I²C Real-Time Clock with Internal MEMs Resonator | SOIC(N)/8 ,SOIC(W)/16 | -45 to +85 |
| DS1341 | Low-Current I2C RTC for High-ESR Crystals | µMAX/8 ,TDFN-EP/8 | -40 to +85 |
| DS1342 | Low-Current I2C RTC for High-ESR Crystals | µMAX/8 ,TDFN-EP/8 | -40 to +85 |
| DS1394 | Low-Voltage SPI RTC with Trickle Charger | µMAX/10 | -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 |
| DS1388 | I2C RTC/Supervisor with Trickle Charger and 512 Bytes EEPROM | SOIC(N)/8 | -40 to +85 |
| DS3231 | Extremely Accurate I2C-Integrated RTC/TCXO/Crystal | SOIC(W)/16 | -40 to +85 ,0 to +70 |
| DS1390 | Low-Voltage SPI RTC with Trickle Charger | µMAX/10 | -40 to +85 |
| DS1391 | Low-Voltage SPI RTC with Trickle Charger | µMAX/10 | -40 to +85 |
| DS1392 | Low-Voltage 3-Wire RTC with Trickle Charger | µMAX/10 | -40 to +85 |
| DS1393 | Low-Voltage 3-Wire RTC with Trickle Charger | µMAX/10 | -40 to +85 |
| 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 |
| DS1318 | Parallel-Interface Elapsed Time Counter | TSSOP/24 | -40 to +85 |
| DS1340 | I2C-Compatible RTC with Trickle Charger | µMAX/8 ,SOIC(N)/8 ,SOIC(W)/16 | -40 to +85 |
| DS1340C | I2C-Compatible RTC with Trickle Charger | µMAX/8 ,SOIC(N)/8 ,SOIC(W)/16 | -40 to +85 |
| DS1375 | I2C-Compatible Digital Input RTC with Alarm | TDFN-EP/6 | -40 to +85 |
| DS1374C | I2C-Compatible 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output | µMAX/10 ,SOIC(W)/16 | -40 to +85 |
| DS1374U | I2C-Compatible 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output | µMAX/10 ,SOIC(W)/16 | -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 |
| DS1371 | I2C-Compatible 32-bit Binary Counter Watchdog RTC | µMAX/8 | -40 to +85 |
| DS1372 | I2C-Compatible 32-bit Binary Counter Watchdog RTC | µMAX/8 | -40 to +85 |
| DS1558 | Watchdog Clock with NV RAM Control | TQFP/48 | -40 to +85 |
| DS1339 | I2C-Compatible Real-Time Clock | µMAX/8 ,SOIC(W)/16 | -40 to +85 |
| DS1339C | I2C-Compatible Real-Time Clock | µMAX/8 ,SOIC(W)/16 | -40 to +85 |
| DS1337 | I2C-Compatible Real-Time Clock | µMAX/8 ,PDIP(N)/8 ,SOIC(N)/8 ,SOIC(W)/16 | - |
| DS1337C | I2C-Compatible Real-Time Clock with Integrated XTAL | µMAX/8 ,PDIP(N)/8 ,SOIC(N)/8 ,SOIC(W)/16 | - |
| DS12885 | Real Time Clock | PDIP(W)/24 ,PLCC/28 ,SOIC(W)/24 ,TQFP/32 | -40 to +85 |
| DS1216B | SmartWatch/RAM | See Data Sheet | 0 to +70 |
| DS1216C | SmartWatch/RAM | See Data Sheet | 0 to +70 |
| DS1216D | SmartWatch/RAM | See Data Sheet | 0 to +70 |
| DS1216E | SmartWatch/ROM 64K | See Data Sheet | 0 to +70 |
| DS1216F | SmartWatch/ROM 64K | See Data Sheet | 0 to +70 |
| DS1216H | SmartWatch/RAM | See Data Sheet | 0 to +70 |
| 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 |
| DS1315 | Phantom Time Chip | PDIP(N)/16 ,SOIC(W)/16 ,TSSOP/20 | -40 to +85 ,0 to +70 |
| 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 |
| DS1670 | Portable System Controller | SOIC(W)/20 ,TSSOP/20 | 0 to +70 |
| DS1672 | Low Voltage I2C-CompatibleTime Keeping Chip | µMAX/8 ,PDIP(N)/8 ,SOIC(N)/8 | -40 to +85 |
| DS1673 | Portable System Controller | SOIC(W)/20 ,TSSOP/20 | 0 to +70 |
| DS1677 | Portable System Controller | TSSOP/20 | 0 to +70 |
| DS1682 | I2C-Compatible Total Elapsed Time Recorder with Alarm | SOIC(N)/8 | -40 to +85 |
| 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 |
| DS3800 | Advanced NV SRAM Battery Cap for DS1254 | PCAP/4 | 0 to +70 |
| DS9034PCX | Clip-On Cap for Power-Cap Devices | PCAP/4 | -40 to +85 |
| DS2417 | 1-Wire® Time Chip With Interrupt | FCHIP/6 ,TSOC/6 | -40 to +85 |
| DS1678 | Real-Time Event Recorder | PDIP(N)/8 ,SOIC/8 | -40 to +85 |
