DS1391U-33+ by Analog Devices
Low-Voltage SPI/3-Wire RTCs with Trickle Charger
| Status: | Active |
|---|---|
| Series: | DS1391 |
| RoHS: | Unknown |
Where to Buy
Prices starting from US$2.22
Features
| Real-Time Clock Counts Hundredths of Seconds, Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation Valid Up to 2100 |
| Output Pin Configurable as Interrupt or Square Wave with Programmable Frequency of 32.768kHz, 8.192kHz, 4.096kHz, or 1Hz (DS1390/DS1393/DS1394 Only) |
| One Time-of-Day Alarm |
| Power-Fail Detect and Switch Circuitry |
| Reset Output/Debounced Input (DS1391/DS1393) |
| Separate SQW and INT Output (DS1392) |
| Trickle-Charge Capability |
| SPI Supports Modes 0 and 2 (DS1394) |
| SPI Supports Modes 1 and 3 (DS1390/DS1391) |
| 3-Wire Interface (DS1392/DS1393) |
| 4MHz at 3.0V and 3.3V |
| 1MHz at 1.8V |
| Three Operating Voltages: 1.8V ±5%, 3.0V ±10%, and 2.97 to 5.5V (DS1394: 3.3V ±10%) |
| Industrial Temperature Range: -40°C to +85°C |
Specifications
| Interface | SPI |
|---|---|
| VSUPPLY (V) | 1.71 to 5.5 |
| Date/ Time Format (hh = sec/100) | YY-MM-DD/ HH:MM:SS:hh |
| Time Keeping Current (nA) (typ) | 500 |
| CL (pF) | 6 |
| Memory Type | None |
| Time of Day Alarms | 1 |
| Package/Pins | UMAX/10 |
| BudgetaryPrice (See Notes) | 1.85 |
DS1391U-33+ Semiconductors - ICs by Analog Devices
RTC D-D-M-Y HH:MM:SS:HH USOP-10
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Date Format | Day |
|---|---|
| Clock Format | HH |
| Clock IC Type | Alarm RTC |
| Supply Voltage Min | 2.97V |
| Supply Voltage Max | 5.5V |
| Clock IC Case Style | µSOP |
| No. of Pins | 10Pins |
| 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-Voltage SPI/3-Wire RTCs wi | Analog Devices |
| Rtc, D-D-M-Y, Hh:Mm:Ss:Hh, Usop-10 | Newark Electronics |
| RTC, D-D-M-Y, HH:MM:SS:HH, USOP-10 | element14 |
| RTC, D-D-M-Y, HH: MM: SS: HH, USOP-10 | Farnell |
| REAL TIME CLOCK SERIAL | RS |
| Real Time Clock Serial 10-Pin uMAX | Avnet Asia |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a DS1391U-33+ ?
Additional datasheets, footprints and schematics for DS1391U-33+ are listed on our Part Details page. You can also find images and similar parts to DS1391U-33+ on this page.
What pricing and inventory information can I view?
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Is the DS1391U-33+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for DS1391U-33+ have stock available?
Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and RS have stock available or on a lead time for DS1391U-33+ .
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