- Integrated Circuits (ICs)
- Clock/Timing - Real Time Clocks
| Mounting Type | Package / Case | Surface Mount | Supplier Device Package | Operating Temperature (Max.) | Operating Temperature (Min.) | Operating Temperature | Packaging | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | Type | Terminal Finish | Additional Feature | Voltage - Supply | Terminal Position | Peak Reflow Temperature (Cel) | Number of Functions | Supply Voltage | Terminal Pitch | Reach Compliance Code | Time@Peak Reflow Temperature-Max (s) | Pin Count | JESD-30 Code | Qualification Status | Supply Voltage-Max (Vsup) | Temperature Grade | Supply Voltage-Min (Vsup) | Interface | Memory Size | Clock Frequency | External Data Bus Width | Number of Timers | Time Format | Date Format | Current - Timekeeping (Max) | Voltage - Supply, Battery | Information Access Method | Features | Height Seated (Max) | Length | Width | RoHS Status | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
  | Mfr.X1227S8Z-2.7ATwicea699-476-X1227S8Z-2.7A | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | 0°C~70°C | Tube | e3 | yes | Obsolete | 1 (Unlimited) | 8 | Clock/Calendar | MATTE TIN | - | 2.7V~5.5V | DUAL | 260 | - | 5V | 1.27mm | - | 40 | 8 | R-PDSO-G8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | - | 0.032MHz | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.7272mm | 4.9022mm | 3.9116mm | ROHS3 Compliant | ||
| X1227S8Z-2.7A | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL1208IB8Twicea699-476-ISL1208IB8 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | -40°C~85°C | Tube | e3 | yes | Obsolete | 1 (Unlimited) | 8 | Clock/Calendar | MATTE TIN | - | 2.7V~5.5V | DUAL | 260 | - | 3V | 1.27mm | - | NOT SPECIFIED | 8 | R-PDSO-G8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | 2B | 0.032MHz | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 4μA~6μA @ 3V~5V | 1.8V~5.5V | I2C | Alarm, Leap Year, SRAM | 1.7272mm | 4.9022mm | 3.9116mm | Non-RoHS Compliant | ||
| ISL1208IB8 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1306NTwicea699-476-DS1306N | Rochester Electronics, LLC |
DS1306 SERIAL ALARM RTC
| Min.:1 Mult.:1 | Through Hole | 16-DIP (0.300, 7.62mm) | NO | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 16 | Clock/Calendar | TIN LEAD | - | 2V~5.5V | DUAL | 240 | - | 5V | 2.54mm | unknown | 20 | 16 | R-PDIP-T16 | COMMERCIAL | - | - | - | SPI | 96B | 0.032MHz | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 25.3μA~81μA @ 2V~5V | 2V~5.5V | SERIAL, 3-WIRE | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 4.572mm | 19.175mm | 7.62mm | Non-RoHS Compliant | ||
| DS1306N | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.X1227S8-2.7Twicea699-476-X1227S8-2.7 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 8 | Clock/Calendar | TIN LEAD | - | 2.7V~5.5V | DUAL | 240 | - | 5V | 1.27mm | - | 30 | 8 | R-PDSO-G8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | - | 0.032MHz | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.7272mm | 4.9022mm | 3.9116mm | Non-RoHS Compliant | ||
| X1227S8-2.7 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1744-70Twicea699-476-DS1744-70 | Rochester Electronics, LLC |
Y2K, NV TIMEKEEPING RAM
| Min.:1 Mult.:1 | Through Hole | 28-DIP Module (0.600, 15.24mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 28 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | 2.54mm | - | NOT SPECIFIED | 28 | R-XDMA-T28 | COMMERCIAL | - | - | - | Parallel | 32KB | 0.032MHz | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 5V | - | - | Leap Year, NVSRAM, Y2K | 10.42mm | 38.865mm | 15.24mm | Non-RoHS Compliant | ||
| DS1744-70 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1557P-70Twicea699-476-DS1557P-70 | Rochester Electronics, LLC |
NV, Y2K TIMEKEEPING RAM
| Min.:1 Mult.:1 | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 34 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | - | - | NOT SPECIFIED | 34 | R-XDMA-U34 | COMMERCIAL | - | - | - | Parallel | 512KB | 0.032MHz | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 6mA @ 5V | 3V | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | - | - | Non-RoHS Compliant | ||
| DS1557P-70 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1678Twicea699-476-DS1678 | Rochester Electronics, LLC |
DS1678 REAL-TIME EVENT RECORDER
| Min.:1 Mult.:1 | Through Hole | 8-DIP (0.300, 7.62mm) | NO | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 8 | Time Event Recorder | TIN LEAD | - | 4.5V~5.5V | DUAL | 245 | - | 5V | 2.54mm | - | NOT SPECIFIED | 8 | R-PDIP-T8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | 32B | 0.032MHz | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 2.6V~3.5V | I2C | Alarm, Leap Year, NVSRAM, Y2K | 4.572mm | 9.375mm | 7.62mm | Non-RoHS Compliant | ||
| DS1678 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1685-5Twicea699-476-DS1685-5 | Rochester Electronics, LLC |
DS1685 5V REAL-TIME CLOCK
| Min.:1 Mult.:1 | Through Hole | 24-DIP (0.600, 15.24mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | 2.54mm | - | 20 | 24 | R-PDIP-T24 | COMMERCIAL | - | - | - | Parallel | 242B | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3mA @ 5V | 2.5V~3.7V | - | Alarm, NVSRAM, Square Wave Output, Y2K | 5.08mm | 31.75mm | 15.24mm | Non-RoHS Compliant | ||
| DS1685-5 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.X1228S14-4.5ATwicea699-476-X1228S14-4.5A | Rochester Electronics, LLC |
RTC, VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 14-SOIC (0.154, 3.90mm Width) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 14 | Clock/Calendar | TIN LEAD | - | 2.7V~5.5V | DUAL | 240 | - | 5V | 1.27mm | - | NOT SPECIFIED | 14 | R-PDSO-G14 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | - | 0.032MHz | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | 1.8V~5.5V | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | 1.7272mm | 8.6614mm | 3.9116mm | Non-RoHS Compliant | ||
| X1228S14-4.5A | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1306Twicea699-476-DS1306 | Rochester Electronics, LLC |
DS1306 SERIAL ALARM RTC
| Min.:1 Mult.:1 | Through Hole | 16-DIP (0.300, 7.62mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 16 | Clock/Calendar | TIN LEAD | - | 2V~5.5V | DUAL | 240 | - | 5V | 2.54mm | - | 20 | 16 | R-PDIP-T16 | COMMERCIAL | - | - | - | SPI | 96B | 0.032MHz | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 25.3μA~81μA @ 2V~5V | 2V~5.5V | SERIAL, 3-WIRE | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 4.572mm | 19.175mm | 7.62mm | Non-RoHS Compliant | ||
| DS1306 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1616Twicea699-476-DS1616 | Rochester Electronics, LLC |
THREE-INPUT DATA RECORDER
| Min.:1 Mult.:1 | Through Hole | 24-DIP (0.600, 15.24mm) | NO | - | 85°C | -40°C | - | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | with Temp. Recorder | TIN LEAD | INTEGRATED 8-BIT ANALOG-TO-DIGITAL CONVERTER, 2048-BYTE DATALOG MEMORY | 5V | DUAL | 240 | 1 | 5V | 2.54mm | - | 20 | 24 | R-PDIP-T24 | - | 5.5V | INDUSTRIAL | 4V | 3-Wire Serial | 32B | - | - | - | HH:MM:SS | YYYY-MM-DD | - | - | - | - | 5.08mm | 31.75mm | 15.24mm | Non-RoHS Compliant | ||
| DS1616 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1672-2Twicea699-476-DS1672-2 | Rochester Electronics, LLC |
I2C 32-BIT BINARY COUNTER RTC
| Min.:1 Mult.:1 | Through Hole | 8-DIP (0.300, 7.62mm) | NO | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 8 | Binary Counter | TIN LEAD | - | 1.8V~2.2V | DUAL | 240 | - | 2V | 2.54mm | - | 20 | 8 | R-PDIP-T8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | - | 0.032MHz | - | - | Binary | - | 500μA @ 2.2V | 1.3V~3.63V | I2C | Trickle-Charger | 4.572mm | 9.375mm | 7.62mm | Non-RoHS Compliant | ||
| DS1672-2 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1340Z-33Twicea699-476-DS1340Z-33 | Rochester Electronics, LLC |
I2C RTC WITH TRICKLE CHARGER
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | -40°C~85°C | Tube | - | no | Obsolete | 1 (Unlimited) | 8 | Clock/Calendar | NOT SPECIFIED | - | 2.97V~5.5V | DUAL | NOT SPECIFIED | - | 3.3V | 1.27mm | unknown | NOT SPECIFIED | 8 | R-PDSO-G8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | - | 0.032MHz | - | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 150μA @ 5.5V | 1.3V~5.5V | I2C | Leap Year, Trickle-Charger | 1.75mm | 4.9mm | 3.9mm | Non-RoHS Compliant | ||
| DS1340Z-33 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1284QNTwicea699-476-DS1284QN | Rochester Electronics, LLC |
DS1284 WATCHDOG TIME KEEPERS
| Min.:1 Mult.:1 | Surface Mount | 28-LCC (J-Lead) | YES | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 28 | Clock/Calendar | TIN LEAD | ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P | 4.5V~5.5V | QUAD | 245 | - | 5V | 1.27mm | unknown | NOT SPECIFIED | 28 | S-PQCC-J28 | COMMERCIAL | - | - | - | Parallel | 50B | 0.032MHz | 8 | 1 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 7mA @ 5V | 2.4V~3.5V | - | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 4.57mm | 11.505mm | 11.505mm | Non-RoHS Compliant | ||
| DS1284QN | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1244Y-70Twicea699-476-DS1244Y-70 | Rochester Electronics, LLC |
256K NV SRAM & PHANTOM CLOCK
| Min.:1 Mult.:1 | Through Hole | 28-DIP Module (0.600, 15.24mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 28 | Phantom Time Chip | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | 2.54mm | - | NOT SPECIFIED | 28 | R-PDIP-P28 | COMMERCIAL | - | - | - | Parallel | 32KB | - | 8 | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 10mA @ 5V | - | - | Leap Year, NVSRAM | 9.398mm | 38.862mm | 15.24mm | Non-RoHS Compliant | ||
| DS1244Y-70 | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS12C887ATwicea699-476-DS12C887A | Rochester Electronics, LLC |
DS12C887 REAL-TIME CLOCK
| Min.:1 Mult.:1 | Through Hole | 24-DIP Module (0.600, 15.24mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 225 | - | 5V | 2.54mm | - | NOT SPECIFIED | 24 | R-PDIP-T24 | COMMERCIAL | - | - | - | Parallel | 113B | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 15mA @ 4.5V~5.5V | 2.5V~4V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 9.398mm | 33.782mm | 15.24mm | Non-RoHS Compliant | ||
| DS12C887A | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1557P-70INDTwicea699-476-DS1557P-70IND | Rochester Electronics, LLC |
NV, Y2K TIMEKEEPING RAM
| Min.:1 Mult.:1 | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 34 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | - | - | NOT SPECIFIED | 34 | R-XDMA-U34 | COMMERCIAL | - | - | - | Parallel | 512KB | 0.032MHz | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 6mA @ 5V | 3V | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | - | - | Non-RoHS Compliant | ||
| DS1557P-70IND | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.BQ3285LDSSTwicea699-476-BQ3285LDSS | Rochester Electronics, LLC |
RTC, VOLATILE
| 582
| Min.:1 Mult.:1 | Surface Mount | 24-SSOP (0.154, 3.90mm Width) | - | 24-SSOP/QSOP | - | - | 0°C~70°C | Tube | - | - | Obsolete | 2 (1 Year) | - | Clock/Calendar | - | - | 2.7V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | Parallel | 242B | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 100μA @ 3V | 2.4V~4V | - | Alarm, Daylight Savings, NVSRAM | - | - | - | Non-RoHS Compliant | |
| BQ3285LDSS | |||||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.ISL12021CVZTwicea699-476-ISL12021CVZ | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | YES | - | - | - | -20°C~70°C | Tube | e3 | yes | Obsolete | 1 (Unlimited) | 14 | Clock/Calendar | MATTE TIN | - | 2.7V~5.5V | DUAL | 260 | - | 3.3V | 0.65mm | unknown | 40 | 14 | R-PDSO-G14 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | 128B | 0.032MHz | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 5.5μA~6.5μA @ 3V~5V | 1.8V~5.5V | I2C | Alarm, Daylight Savings, Leap Year, SRAM | 1.2mm | 5mm | 4.4mm | ROHS3 Compliant | ||
| ISL12021CVZ | |||||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1338Z-3Twicea699-476-DS1338Z-3 | Rochester Electronics, LLC |
I2C RTC WITH TRICKLE CHARGER
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 8 | Clock/Calendar | TIN LEAD | - | 2.7V~5.5V | DUAL | 245 | - | 3V | 1.27mm | - | NOT SPECIFIED | 8 | R-PDSO-G8 | COMMERCIAL | - | - | - | I2C, 2-Wire Serial | 56B | 0.032MHz | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 200μA @ 3.3V | 1.3V~3.7V | I2C | Leap Year, NVSRAM, Square Wave Output | 1.75mm | 4.9mm | 3.9mm | Non-RoHS Compliant | ||
| DS1338Z-3 |
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