DS1347T+T&R by Analog Devices
Low-Current, SPI-Compatible Real-Time Clock
| Status: | Active |
|---|---|
| Series: | DS1347 |
| RoHS: | Unknown |
Features
| Completely Manages All Timekeeping Functions RTC Counts Seconds, Minutes, Hours, Day of Week, Date of Month, Month, Year, and Century Leap-Year Compensation 31 x 8-Bit SRAM for Scratchpad Data Storage Programmable Time/Date Polled ALARM Function Uses Standard 32.768kHz Watch Crystal |
| RTC Counts Seconds, Minutes, Hours, Day of Week, Date of Month, Month, Year, and Century |
| Leap-Year Compensation |
| 31 x 8-Bit SRAM for Scratchpad Data Storage |
| Programmable Time/Date Polled ALARM Function |
| Uses Standard 32.768kHz Watch Crystal |
| Low-Power Operation Extends Battery Life Low Timekeeping Current (400nA at 2V) +2V to +5.5V Wide Operating Voltage Range |
| Low Timekeeping Current (400nA at 2V) |
| +2V to +5.5V Wide Operating Voltage Range |
| Standard Serial Port Interfaces with Most Microcontrollers SPI (Mode 1 or 3) Interface: 4MHz at 5V, 1MHz at 2V Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock Registers or SRAM |
| SPI (Mode 1 or 3) Interface: 4MHz at 5V, 1MHz at 2V |
| Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock Registers or SRAM |
| 3mm x 3mm x 0.8mm, 8-Pin TDFN Package Minimizes Required Space No External Crystal Bias Resistors or Capacitors Required |
| No External Crystal Bias Resistors or Capacitors Required |
Specifications
| Interface | SPI |
|---|---|
| VSUPPLY (V) | 2.0 to 5.5 |
| Date/ Time Format (hh = sec/100) | YYYY-MM-DD/ HH:MM:SS |
| Time Keeping Current (nA) (typ) | 350 |
| CL (pF) | 12.5 |
| Memory Type | SRAM |
| Memory Size (Bytes) | 31 |
| Time of Day Alarms | 1 |
| Package/Pins | TDFN/8 |
| BudgetaryPrice (See Notes) | 1.72 |
DS1347T+T&R Semiconductors - ICs by Analog Devices
RTC W/ SRAM 248B HH:MM:SS TDFN-8
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Date Format | Day |
|---|---|
| Clock Format | HH |
| Clock IC Type | Alarm RTC |
| Supply Voltage Min | 2V |
| Supply Voltage Max | 5.5V |
| Clock IC Case Style | TDFN |
| No. of Pins | 8Pins |
| IC Interface Type | SPI |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
Alternative Descriptions
| Low-Current, SPI-Compatible Re | Analog Devices |
| Rtc W/ Sram, 248B, Hh:Mm:Ss, Tdfn-8 | Newark Electronics |
| RTC W/ SRAM, 248B, HH:MM:SS, TDFN-8 | element14 |
| RTC W/ SRAM, 248B, HH: MM: SS, TDFN-8 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a DS1347T+T&R ?
Additional datasheets, footprints and schematics for DS1347T+T&R are listed on our Part Details page. You can also find images and similar parts to DS1347T+T&R on this page.
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Is the DS1347T+T&R RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for DS1347T+T&R have stock available?
Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for DS1347T+T&R .
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