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- Clock/Timing - Real Time Clocks
| Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | 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) | Number of Channels | Interface | Memory Size | Number of Bits | Adjustable Threshold | 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. Part #DS1685Q-5Twicea Part #699-476-DS1685Q-5 | Rochester Electronics, LLC |
DS1685 5V REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 28-LCC (J-Lead) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 28 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | QUAD | 245 | - | 5V | 1.27mm | unknown | NOT SPECIFIED | 28 | S-PQCC-J28 | 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 | 4.57mm | 11.505mm | 11.505mm | Non-RoHS Compliant | ||
| DS1685Q-5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #ISL1220IUZTwicea Part #699-476-ISL1220IUZ | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) | - | 10-MSOP | - | - | -40°C~85°C | Tube | - | - | Obsolete | 2 (1 Year) | - | Clock/Calendar | - | - | 2.7V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | 8B | - | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 4μA~6μA @ 3V~5V | 1.8V~5.5V | - | Alarm, Leap Year, SRAM | - | - | - | ROHS3 Compliant | ||
| ISL1220IUZ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #ISL12059IBZ-TTwicea Part #699-476-ISL12059IBZ-T | Rochester Electronics, LLC |
REAL TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | 8-SOIC | - | - | -40°C~85°C | Tape & Reel (TR) | - | - | Obsolete | 2 (1 Year) | - | Clock/Calendar | - | - | 1.8V~3.6V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 0.65μA @ 1.8V | - | - | Leap Year | - | - | - | ROHS3 Compliant | ||
| ISL12059IBZ-T | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #ISL12057IRUZ-TTwicea Part #699-476-ISL12057IRUZ-T | Rochester Electronics, LLC |
RTC, VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 8-UFDFN | - | 8-μTDFN (2x2) | - | - | -40°C~85°C | Tape & Reel (TR) | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | - | 1.8V~3.6V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.65μA @ 1.8V | - | - | Alarm, Leap Year | - | - | - | ROHS3 Compliant | ||
| ISL12057IRUZ-T | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1307ZTwicea Part #699-476-DS1307Z | Rochester Electronics, LLC |
DS1307 64 X 8, SERIAL, I2C RTC
Datasheet
Compare
| 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 | - | 4.5V~5.5V | DUAL | 245 | - | 5V | 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 @ 5V | 2V~3.5V | I2C | Leap Year, NVSRAM, Square Wave Output | 1.75mm | 4.9mm | 3.9mm | Non-RoHS Compliant | ||
| DS1307Z | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1685E-3Twicea Part #699-476-DS1685E-3 | Rochester Electronics, LLC |
DS1685 5V REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 24-TSSOP (0.173, 4.40mm Width) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | - | 2.7V~3.7V | DUAL | 240 | - | 3V | 0.65mm | unknown | 20 | 24 | R-PDSO-G24 | COMMERCIAL | - | - | - | - | Parallel | 242B | - | - | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2mA @ 3V | 2.5V~3.7V | - | Alarm, NVSRAM, Square Wave Output, Y2K | 1.1mm | 7.8mm | 4.4mm | Non-RoHS Compliant | ||
| DS1685E-3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS12885STwicea Part #699-476-DS12885S | Rochester Electronics, LLC |
DS12885 REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING | 4.5V~5.5V | DUAL | 245 | - | 5V | 1.27mm | - | NOT SPECIFIED | 24 | R-PDSO-G24 | COMMERCIAL | - | - | - | - | Parallel | 114B | - | - | 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 | 2.67mm | 17.9mm | 7.5mm | Non-RoHS Compliant | ||
| DS12885S | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS14285NTwicea Part #699-476-DS14285N | Rochester Electronics, LLC |
DS14285 RTC WITH NV RAM CONTROL
Datasheet
Compare
| Min.:1 Mult.:1 | Through Hole | 24-DIP (0.600, 15.24mm) | NO | - | - | - | -40°C~85°C | Tube | e3 | yes | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | MATTE TIN | - | 4.5V~5.5V | DUAL | 260 | - | 5V | 2.54mm | - | 30 | 24 | R-PDIP-T24 | COMMERCIAL | - | - | - | - | Parallel | 114B | - | - | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.5μA @ 4.5V~5.5V | 2.5V~3.6V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 5.08mm | 31.75mm | 15.24mm | ROHS3 Compliant | ||
| DS14285N | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS17485-5Twicea Part #699-476-DS17485-5 | Rochester Electronics, LLC |
DS17485 REAL-TIME CLOCK
Datasheet
Compare
| 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 | 4KB | - | - | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3mA @ 4.5V~5.5V | 2.5V~3.7V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 5.08mm | 31.75mm | 15.24mm | Non-RoHS Compliant | ||
| DS17485-5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1688Twicea Part #699-476-DS1688 | Rochester Electronics, LLC |
RTC WITH NV RAM CONTROL
Datasheet
Compare
| Min.:1 Mult.:1 | Through Hole | 28-DIP (0.600, 15.24mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 28 | Clock/Calendar | TIN LEAD | CAN ALSO OPERATE AT 5V | 2.7V~3.3V 4.5V~5.5V | DUAL | 245 | - | 5V | 2.54mm | - | NOT SPECIFIED | 28 | R-PDIP-T28 | COMMERCIAL | - | - | - | - | Parallel | 114B | 16 | - | - | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD | - | - | - | Alarm, Leap Year, Square Wave Output, Unique ID | 5.08mm | 36.83mm | 15.24mm | Non-RoHS Compliant | ||
| DS1688 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS17885S-5Twicea Part #699-476-DS17885S-5 | Rochester Electronics, LLC |
DS17885 REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | 1.27mm | - | 20 | 24 | R-PDSO-G24 | COMMERCIAL | - | - | - | - | Parallel | 8KB | - | - | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3mA @ 4.5V~5.5V | 2.5V~3.7V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2.67mm | 17.9mm | 7.5mm | Non-RoHS Compliant | ||
| DS17885S-5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1685SN-5Twicea Part #699-476-DS1685SN-5 | Rochester Electronics, LLC |
DS1685 5V REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | YES | - | - | - | -40°C~85°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 245 | - | 5V | 1.27mm | - | NOT SPECIFIED | 24 | R-PDSO-G24 | 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 | 2.65mm | 15.4mm | 7.5mm | Non-RoHS Compliant | ||
| DS1685SN-5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1673E-5Twicea Part #699-476-DS1673E-5 | Rochester Electronics, LLC |
PORTABLE SYSTEM CONTROLLER
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 20 | Portable System Controller | TIN LEAD | 3-CHANNEL, 8-BIT ADC | 4.5V~5.5V | DUAL | 240 | - | 5V | 0.65mm | unknown | 20 | 20 | R-PDSO-G20 | COMMERCIAL | - | - | - | - | 3-Wire Serial | - | - | - | 0.032MHz | 1 | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 300μA @ 5V | 2.5V~3.7V | SERIAL, 3-WIRE | Alarm, Leap Year, Watchdog Timer | 1.1mm | 6.5mm | 4.4mm | Non-RoHS Compliant | ||
| DS1673E-5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mfr. Part #DS17285E-5Twicea Part #699-476-DS17285E-5 | Rochester Electronics, LLC |
DS17285 REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 28-TSSOP (0.465, 11.80mm Width) | YES | - | - | - | 0°C~70°C | Tray | e0 | no | Obsolete | 3 (168 Hours) | 28 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | 0.55mm | - | 20 | 28 | R-PDSO-G28 | COMMERCIAL | - | - | - | - | Parallel | 2KB | - | - | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3mA @ 4.5V~5.5V | 2.5V~3.7V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 1.2mm | 11.8mm | 8mm | Non-RoHS Compliant | ||
| DS17285E-5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1386P-8-120Twicea Part #699-476-DS1386P-8-120 | Rochester Electronics, LLC |
RAMIFIED WATCHDOG TIMEKEEPER
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 34 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | - | - | NOT SPECIFIED | 34 | R-XDMA-U34 | COMMERCIAL | - | - | - | - | Parallel | 8KB | - | - | 0.032MHz | 8 | 1 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 4mA @ 5V | 3V | - | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer | - | - | - | Non-RoHS Compliant | ||
| DS1386P-8-120 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mfr. Part #DS1501YETwicea Part #699-476-DS1501YE | Rochester Electronics, LLC |
Y2K-COMPLIANT WATCHDOG RTCS
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 28-TSSOP (0.465, 11.80mm Width) | YES | - | - | - | 0°C~70°C | Tray | e0 | no | Obsolete | 3 (168 Hours) | 28 | Clock/Calendar | TIN LEAD | - | 4.5V~5.5V | DUAL | 240 | - | 5V | 0.55mm | - | 20 | 28 | R-PDSO-G28 | COMMERCIAL | - | - | - | - | Parallel | 256B | - | - | 0.032MHz | 8 | 1 | HH:MM:SS (24 hr) | YY-MM-DD-dd | 5mA @ 4.5V~5.5V | 2.5V~3.7V | - | Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K | 1.2mm | 11.8mm | 8mm | Non-RoHS Compliant | ||
| DS1501YE | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1556W-120Twicea Part #699-476-DS1556W-120 | Rochester Electronics, LLC |
NV, Y2K TIMEKEEPING RAM
Datasheet
Compare
| Min.:1 Mult.:1 | Through Hole | 32-DIP Module (0.600, 15.24mm) | NO | - | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 3 (168 Hours) | 32 | Clock/Calendar | TIN LEAD | - | 2.97V~3.63V | DUAL | 240 | - | 3.3V | 2.54mm | unknown | NOT SPECIFIED | 32 | R-PDMA-P32 | COMMERCIAL | - | - | - | - | Parallel | 128KB | - | - | 0.032MHz | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 3.3V | - | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 10.922mm | 43.053mm | 15.24mm | Non-RoHS Compliant | ||
| DS1556W-120 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1747P-70Twicea Part #699-476-DS1747P-70 | Rochester Electronics, LLC |
Y2K, NV TIMEKEEPING RAM
Datasheet
Compare
| 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 | A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED | 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 | 4mA @ 5V | 3V | - | Leap Year, NVSRAM, Y2K | - | - | - | Non-RoHS Compliant | ||
| DS1747P-70 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1743P-70Twicea Part #699-476-DS1743P-70 | Rochester Electronics, LLC |
Y2K, NV TIMEKEEPING RAM
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | 0°C~70°C | Tube | e3 | yes | Obsolete | 1 (Unlimited) | 34 | Clock/Calendar | TIN | A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED | 4.5V~5.5V | DUAL | 260 | - | 5V | - | unknown | NOT SPECIFIED | 34 | R-XDMA-U34 | COMMERCIAL | - | - | - | - | Parallel | 8KB | - | - | 0.032MHz | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3mA @ 5V | 3V | - | Leap Year, NVSRAM, Y2K | - | - | - | ROHS3 Compliant | ||
| DS1743P-70 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #MAX6910EO30Twicea Part #699-476-MAX6910EO30 | Rochester Electronics, LLC |
RTCS WITH MPU SUPERVISOR
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 20-SSOP (0.154, 3.90mm Width) | YES | - | 85°C | -40°C | - | Tube | e3 | no | Obsolete | 1 (Unlimited) | 20 | Clock/Calendar/Supervisor | TIN | - | 2.7V~3.3V | DUAL | 260 | 1 | 3V | 0.635mm | - | NOT SPECIFIED | 20 | R-PDSO-G20 | - | 3.3V | INDUSTRIAL | 2.7V | 1 | I2C, 2-Wire Serial | 31B | - | YES | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | - | - | - | 1.73mm | 8.65mm | 3.9mm | ROHS3 Compliant | ||
| MAX6910EO30 |
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