| Part Number | Features | Interface | Vsupply (V) | Time Keeping Current (typ) (nA) | Cl (pF) | Memory Type | Memory Size (Bytes) | Time of Day Alarms | Integrated Resonator | Package/Pins | Oper. Temp. (°C) | Budgetary Price (See Notes) |
| DS1339B | AGC ,Low Power ,Square-Wave Output ,Trickle Charger | I2C | 1.8 to 5.5 | 300 | 6 | None | - | 2 | - | µMAX/8 | -40 to +85 | $1.67 @1k |
| DS1339A | AGC ,Low Power ,Square-Wave Output ,Trickle Charger | I2C | 1.8 to 5.5 | 300 | 6 | None | - | 2 | - | µMAX/8 | -40 to +85 | $1.60 @1k |
| DS1683 | - | I2C | 3 ,3.3 ,5 | - | - | EEPROM | 10 | 1 | RC Osc | SOIC(N)/8 | -40 to +85 | $1.98 @1k |
| DS3232M | µP Reset ,Power Fail Output ,SOIC Package with Integrated Crystal ,Square-Wave Output ,TCXO | I2C | 2.3 to 4.5 | 1800 | - | NV SRAM | 236 | 2 | MEMs | SOIC(N)/8 | -40 to +85 | $3.54 @1k |
| DS1308 | AGC ,External Clock Input ,Low Power ,Square-Wave Output | I2C | 1.8 ,3 ,3.3 | 250 | 6 | NV SRAM | 56 | 0 | - | µMAX/8 | -40 to +85 | $1.56 @1k |
| DS1347 | AGC ,Low Power | SPI | 2.0 to 5.5 | 350 | 12.5 | SRAM | 31 | 1 | - | TDFN-EP/8 | -40 to +85 | $1.40 @1k |
| DS1343 | AGC ,Low Power ,Periodic Interrupt ,Power Fail Output ,Square-Wave Output ,Trickle Charger | 3-Wire ,SPI | 1.8 ,3 ,3.3 | 250 | 6 | NV SRAM | 96 | 2 | - | TDFN-EP/14 ,TSSOP/20 | -40 to +85 | $2.03 @1k |
| DS1344 | AGC ,Low Power ,Square-Wave Output | 3-Wire ,SPI | 1.8 ,3.3 ,5.5 | 250 | 12.5 | NV SRAM | 96 | 2 | - | TDFN-EP/14 ,TSSOP/20 | -40 to +85 | $2.05 @1k |
| DS3231M | µP Reset ,Power Fail Output ,SOIC Package with Integrated Crystal ,Square-Wave Output ,TCXO | I2C | 2.3 to 5.5 | 2000 | - | None | - | 2 | MEMs | SOIC/16 ,SOIC(N)/8 | -45 to +85 | $3.54 @1k |
| DS1341 | AGC ,External Clock Input ,Low Power ,Periodic Interrupt ,Square-Wave Output | I2C | 1.8 ,5.5 | 220 | 6 | None | - | 2 | - | µMAX/8 ,TDFN-EP/8 | -40 to +85 | $1.12 @1k |
| DS1342 | AGC ,External Clock Input ,Low Power ,Square-Wave Output | I2C | 1.8 ,5.5 | 250 | 12.5 | None | - | 2 | - | µMAX/8 ,TDFN-EP/8 | -40 to +85 | $1.19 @1k |
| DS1394 | Square-Wave Output ,Trickle Charger | SPI | 3.3 ,5 | 500 | 6 | None | - | 1 | - | µMAX/10 | -40 to +85 | $1.50 @1k |
| DS3234 | µP Reset ,Power Fail Output ,SOIC Package with Integrated Crystal ,Square-Wave Output ,TCXO | SPI | 2.0 to 5.5 ,2.7 to 5.5 | 1500 | - | NV SRAM | 256 | 2 | XTAL | SOIC/20 | -40 to +85 ,0 to +70 | $4.40 @1k |
| DS3232 | µP Reset ,Power Fail Output ,SOIC Package with Integrated Crystal ,Square-Wave Output ,TCXO | I2C | 2.3 to 5.5 | 1500 | - | NV SRAM | 236 | 2 | XTAL | SOIC/20 | -40 to +85 ,0 to +70 | $3.96 @1k |
| DS1388 | µP Reset ,Trickle Charger | I2C | 3 ,3.3 ,5 | 410 | 6 | EEPROM | 512 | 0 | - | SOIC(N)/8 | -40 to +85 | $2.08 @1k |
| DS3231 | µP Reset ,Power Fail Output ,SOIC Package with Integrated Crystal ,Square-Wave Output ,TCXO | I2C | 2.3 to 5.5 | 840 | - | None | - | 2 | XTAL | SOIC/16 | -40 to +85 ,0 to +70 | $3.85 @1k |
| DS1390 | Square-Wave Output ,Trickle Charger | SPI | 1.8 ,3 ,3.3 ,5 | 500 | 6 | None | - | 1 | - | µMAX/10 | -40 to +85 | $1.50 @1k |
| DS1391 | µP Reset ,Trickle Charger | SPI | 1.8 ,3 ,3.3 ,5 | 500 | 6 | None | - | 1 | - | µMAX/10 | -40 to +85 | $1.50 @1k |
| DS1392 | Periodic Interrupt ,Square-Wave Output ,Trickle Charger | 3-Wire | 1.8 ,3 ,3.3 ,5 | 500 | 6 | None | - | 1 | - | µMAX/10 | -40 to +85 | $1.73 @1k |
| DS1393 | µP Reset ,Periodic Interrupt ,Square-Wave Output ,Trickle Charger | 3-Wire | 1.8 ,3 ,3.3 ,5 | 500 | 6 | None | - | 1 | - | µMAX/10 | -40 to +85 | $1.55 @1k |
| DS12CR887 | Battery + Crystal ,Periodic Interrupt ,Square-Wave Output | Multiplexed | 3.3 ,5 | - | - | NV SRAM | 114 | 1 | - | EDIP/24 | -40 to +85 | $6.23 @1k |
| DS12R885 | Periodic Interrupt ,Square-Wave Output | Multiplexed | 3.3 ,5 | 800 | 12.5 | NV SRAM | 114 | 1 | - | SOIC(W)/24 | -40 to +85 | $1.80 @1k |
| DS1318 | Periodic Interrupt | Bytewide | 3.3 | 750 | 12.5 | None | - | 1 | - | TSSOP/24 | -40 to +85 | $1.78 @1k |
| DS1340 | SOIC Package with Integrated Crystal ,Square-Wave Output ,Trickle Charger | I2C | 1.8 ,3 ,3.3 ,5 | 800 | 12.5 | None | - | 0 | - | µMAX/8 ,SOIC/16 ,SOIC(N)/8 | -40 to +85 | $1.50 @1k |
| DS1340C | SOIC Package with Integrated Crystal ,Square-Wave Output ,Trickle Charger | I2C | 1.8 ,3 ,3.3 ,5 | 800 | 12.5 | None | - | 0 | XTAL | µMAX/8 ,SOIC/16 ,SOIC(N)/8 | -40 to +85 | $2.71 @1k |
| DS1375 | - | I2C | 1.8 ,2 ,3 ,3.3 ,5 | - | - | None | - | 2 | - | TDFN-EP/6 | -40 to +85 | $0.60 @1k |
| DS1374C | µP Reset ,Periodic Interrupt ,SOIC Package with Integrated Crystal ,Trickle Charger | I2C | 1.8 ,3 ,3.3 ,5 | 400 | 6 | None | - | 1 | XTAL | µMAX/10 ,SOIC/16 | -40 to +85 | $2.70 @1k |
| DS1374U | µP Reset ,Periodic Interrupt ,SOIC Package with Integrated Crystal ,Trickle Charger | I2C | 1.8 ,3 ,3.3 ,5 | 400 | 6 | None | - | 1 | - | µMAX/10 ,SOIC/16 | -40 to +85 | $1.50 @1k |
| DS1338 | SOIC Package with Integrated Crystal ,Square-Wave Output | I2C | 1.8 ,3 ,3.3 ,5 | 800 | 12.5 | NV SRAM | 56 | 0 | - | µMAX/8 ,SOIC/16 ,SOIC(N)/8 | -40 to +85 | $1.50 @1k |
| DS1338C | SOIC Package with Integrated Crystal ,Square-Wave Output | I2C | 1.8 ,3 ,3.3 ,5 | 800 | 12.5 | NV SRAM | 56 | 0 | XTAL | µMAX/8 ,SOIC/16 ,SOIC(N)/8 | -40 to +85 | $2.71 @1k |
| DS1371 | Periodic Interrupt | I2C | 2 ,3 ,3.3 ,5 | 800 | 6 | None | - | 1 | - | µMAX/8 | -40 to +85 | $1.18 @1k |
| DS1372 | Serial Number ,Square-Wave Output | I2C | 3 ,3.3 ,5 | 400 | 12.5 | None | - | 1 | - | µMAX/8 | -40 to +85 | $1.26 @1k |
| DS1558 | µP Reset ,Periodic Interrupt ,Power Fail Output | Bytewide | 3.3 ,5 | 300 | 6 | None | - | 1 | - | LQFP/48 ,TQFP/48 | -40 to +85 | $4.90 @1k |
| DS1339 | Low Power ,Square-Wave Output ,Trickle Charger | I2C | 1.8 to 5.5 | 400 | 6 | None | - | 2 | - | µMAX/8 ,SOIC/16 | -40 to +85 | $1.58 @1k |
| DS1339C | Low Power ,Square-Wave Output ,Trickle Charger | I2C | 1.8 to 5.5 | 400 | 6 | None | - | 2 | XTAL | µMAX/8 ,SOIC/16 | -40 to +85 | $2.76 @1k |
| DS1337 | SOIC Package with Integrated Crystal ,Square-Wave Output | I2C | 2 ,3 ,3.3 ,5 | 425 | 6 | None | - | 2 | - | µMAX/8 ,PDIP(N)/8 ,SOIC/16 ,SOIC(N)/8 | - | $1.16 @1k |
| DS1337C | SOIC Package with Integrated Crystal ,Square-Wave Output | I2C | 2 ,3 ,3.3 ,5 | 425 | 6 | None | - | 2 | XTAL | µMAX/8 ,PDIP(N)/8 ,SOIC/16 ,SOIC(N)/8 | - | $2.39 @1k |
| DS12885 | Periodic Interrupt ,Square-Wave Output | Multiplexed | 5 | 225 | 6 | NV SRAM | 114 | 1 | - | PDIP(W)/24 ,PLCC/28 ,SOIC(W)/24 ,TQFP/32 | -40 to +85 | $3.50 @1k |
| DS1243 | Battery + Crystal | Bytewide ,Phantom Clock | 5 | - | - | NV SRAM | 8K | 0 | - | EDIP/28 | 0 to +70 | $14.92 @1k |
| DS1244 | PowerCap Package | Bytewide ,Phantom Clock | 3.3 ,5 | - | - | NV SRAM | 32K | 0 | - | EDIP/28 ,PCAP/34 | 0 to +70 | $16.77 @1k |
| DS1248 | PowerCap Package | Bytewide ,Phantom Clock | 3.3 ,5 | - | - | NV SRAM | 128K | 0 | - | EDIP/32 ,PCAP/34 | -40 to +85 | $20.91 @1k |
| DS1251 | PowerCap Package | Bytewide ,Phantom Clock | 3.3 ,5 | - | - | NV SRAM | 512K | 0 | - | EDIP/32 ,PCAP/34 | -40 to +85 | $22.19 @1k |
| DS1254 | PowerCap Package | Bytewide ,Phantom Clock | 3.3 | - | - | NV SRAM | 2M | 0 | - | See Data Sheet | 0 to +70 | $84.11 @1k |
| DS12887 | Battery + Crystal ,Periodic Interrupt ,Square-Wave Output | Multiplexed | 5 | - | - | NV SRAM | 114 | 1 | - | EDIP/24 | 0 to +70 | $5.20 @1k |
| DS12887A | Battery + Crystal ,Periodic Interrupt ,Square-Wave Output | Multiplexed | 5 | - | - | NV SRAM | 114 | 1 | - | EDIP/24 | 0 to +70 | $5.20 @1k |
| DS12C887 | Battery + Crystal ,Periodic Interrupt ,Square-Wave Output | Multiplexed | 5 | - | - | NV SRAM | 113 | 1 | - | EDIP/24 | 0 to +70 | $5.04 @1k |
| DS12C887A | Battery + Crystal ,Periodic Interrupt ,Square-Wave Output | Multiplexed | 5 | - | - | NV SRAM | 113 | 1 | - | EDIP/24 | 0 to +70 | $5.04 @1k |
| DS1302 | Trickle Charger | 3-Wire | 2 ,3 ,3.3 ,5 | 200 | 6 | NV SRAM | 31 | 0 | - | PDIP(N)/8 ,SOIC/8 ,SOIC(N)/8 ,SOIC(W)/16 | -40 to +85 | $1.46 @1k |
| DS1305 | Periodic Interrupt ,Power Fail Output ,Trickle Charger | 3-Wire ,SPI | 2 ,3 ,3.3 ,5 | 450 | 6 | NV SRAM | 96 | 2 | - | PDIP(N)/16 ,TSSOP/20 | -40 to +85 | $2.26 @1k |
| DS1306 | Periodic Interrupt ,Square-Wave Output ,Trickle Charger | 3-Wire ,SPI | 2 ,3 ,3.3 ,5 | 450 | 6 | NV SRAM | 96 | 2 | - | PDIP(N)/16 ,TSSOP/20 | -40 to +85 | $2.26 @1k |
| DS1307 | Square-Wave Output | I2C | 5 | 300 | 12.5 | NV SRAM | 56 | 0 | - | PDIP(N)/8 ,SOIC(N)/8 | -40 to +85 | $1.45 @1k |
| DS1315 | - | Phantom Clock | 3.3 ,5 | 400 | 6 | None | - | 0 | - | PDIP(N)/16 ,SOIC(W)/16 ,TSSOP/20 | -40 to +85 ,0 to +70 | $8.36 @1k |
| DS1500 | µP Reset ,Kick-Start ,Periodic Interrupt ,Reset Output ,Square-Wave Output ,Wake-up | Bytewide | 3.3 ,5 | - | 6 ,12.5 | NV SRAM | 256 | 1 | - | TSOP/32 | -40 to +85 | $6.77 @1k |
| DS1501 | µP Reset ,Kick-Start ,Periodic Interrupt ,Square-Wave Output ,Wake-up | Bytewide | 3.3 ,5 | - | 6 ,12.5 | NV SRAM | 256 | 1 | - | PDIP(W)/28 ,SOIC(W)/28 ,TSOP/28 | -40 to +85 | $4.63 @1k |
| DS1511 | µP Reset ,Battery + Crystal ,Kick-Start ,Periodic Interrupt ,Square-Wave Output ,Wake-up | Bytewide | 3.3 ,5 | - | - | NV SRAM | 256 | 1 | - | EDIP/28 | 0 to +70 | $10.38 @1k |
| DS1553 | µP Reset ,Battery + Crystal ,Periodic Interrupt ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 8K | 1 | - | EDIP/28 ,PCAP/34 | 0 to +70 | $14.47 @1k |
| DS1554 | µP Reset ,Battery + Crystal ,Periodic Interrupt ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 32K | 1 | - | EDIP/32 ,PCAP/34 | -40 to +85 | $14.56 @1k |
| DS1556 | µP Reset ,Battery + Crystal ,Periodic Interrupt ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 128K | 1 | - | EDIP/32 ,PCAP/34 | -40 to +85 | $21.58 @1k |
| DS1557 | µP Reset ,Periodic Interrupt ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 512K | 1 | - | PCAP/34 | -40 to +85 | $23.58 @1k |
| DS1642 | Battery + Crystal | Bytewide | 5 | - | - | NV SRAM | 2K | 0 | - | EDIP/24 | 0 to +70 | $12.53 @1k |
| DS1643 | Battery + Crystal ,PowerCap Package | Bytewide | 5 | - | - | NV SRAM | 8K | 0 | - | EDIP/28 ,PCAP/34 | 0 to +70 | $12.55 @1k |
| DS1670 | µP Reset ,A to D Converter ,Periodic Interrupt ,Power Fail Output | 3-Wire | 3.3 | 300 | 6 | None | - | 1 | - | SOIC(W)/20 ,TSSOP/20 | 0 to +70 | $4.08 @1k |
| DS1672 | Trickle Charger | I2C | 2 ,3 ,3.3 | 425 | 6 | None | - | 0 | - | µMAX/8 ,PDIP(N)/8 ,SOIC(N)/8 | -40 to +85 | $1.30 @1k |
| DS1673 | µP Reset ,A to D Converter ,Periodic Interrupt ,Power Fail Output | 3-Wire | 3 ,5 | 300 | 6 | None | - | 1 | - | SOIC(W)/20 ,TSSOP/20 | 0 to +70 | $4.08 @1k |
| DS1677 | µP Reset ,A to D Converter ,Periodic Interrupt ,Power Fail Output | 3-Wire | 5 | 300 | 6 | None | - | 1 | - | TSSOP/20 | 0 to +70 | $4.80 @1k |
| DS1682 | - | I2C | 3 ,3.3 ,5 | - | - | EEPROM | 10 | 1 | RC Osc | SOIC(N)/8 | -40 to +85 | $2.27 @1k |
| DS1685 | Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | 400 | 6 ,12.5 | NV SRAM | 242 | 1 | - | PDIP(W)/24 ,PLCC/28 ,SOIC(W)/24 ,TSSOP/24 | -40 to +85 | $2.94 @1k |
| DS1687 | Battery + Crystal ,Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | - | - | NV SRAM | 242 | 1 | - | EDIP/24 | -40 to +85 | $7.20 @1k |
| DS17285 | Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | 300 | 6 | NV SRAM | 2K | 1 | - | PDIP(W)/24 ,SOIC(W)/24 ,TSOP/28 | -40 to +85 | $4.41 @1k |
| DS17287 | Battery + Crystal ,Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | - | - | NV SRAM | 2K | 1 | - | EDIP/24 | -40 to +85 | $8.80 @1k |
| DS1742 | Battery + Crystal | Bytewide | 3.3 ,5 | - | - | NV SRAM | 2K | 0 | - | EDIP/24 | 0 to +70 | $11.84 @1k |
| DS1743 | Battery + Crystal ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 8K | 0 | - | EDIP/28 ,PCAP/34 | 0 to +70 | $11.75 @1k |
| DS1744 | Battery + Crystal ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 32K | 0 | - | EDIP/28 ,PCAP/34 | 0 to +70 | $16.43 @1k |
| DS1746 | Battery + Crystal ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 128K | 0 | - | EDIP/32 ,PCAP/34 | 0 to +70 | $20.00 @1k |
| DS1747 | Battery + Crystal ,PowerCap Package | Bytewide | 3.3 ,5 | - | - | NV SRAM | 512K | 0 | - | EDIP/32 ,PCAP/34 | 0 to +70 | $24.40 @1k |
| DS17485 | Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | 300 | 6 ,12.5 | NV SRAM | 4K | 1 | - | PDIP(W)/24 ,SOIC(W)/24 ,TSOP/28 | -40 to +85 | $5.88 @1k |
| DS17487 | Battery + Crystal ,Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | - | - | NV SRAM | 4K | 1 | - | EDIP/24 | -40 to +85 | $9.23 @1k |
| DS17885 | Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | 300 | 6 ,12.5 | NV SRAM | 8K | 1 | - | PDIP(W)/24 ,SOIC(W)/24 ,TSOP/28 | -40 to +85 | $9.01 @1k |
| DS17887 | Battery + Crystal ,Kick-Start ,Periodic Interrupt ,RAM Clear Interrupt ,Serial Number ,Square-Wave Output ,Wake-up | Multiplexed | 3 ,5 | - | - | NV SRAM | 8K | 1 | - | EDIP/24 | -40 to +85 | $11.69 @1k |
| DS3800 | PowerCap Package | - | - | - | - | None | - | 0 | - | PCAP/4 | 0 to +70 | - |
| DS9034PCX | Battery + Crystal ,PowerCap Package | - | - | - | - | None | - | 0 | - | PCAP/4 | -40 to +85 | $5.32 @1k |
| DS2417 | Serial Number ,Wake-up | 1-Wire | 3 ,3.3 ,5 | 200 | - | None | - | 0 | - | FCHIP/6 ,TSOC/6 | -40 to +85 | $1.04 @1k |
| DS1678 | - | I2C | 5 | 300 | 12.5 | NV SRAM | 32 | 1 | - | PDIP(N)/8 ,SOIC/8 | -40 to +85 | $2.99 @1k |
