M41T93RQA6F Real-Time Clock (RTC) ICs by STMicroelectronics
Serial SPI bus real-time clock (RTC) with battery switchover
| Status: | Active |
|---|---|
| Series: | M41T93 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$1.93
Features
| Ultra-low battery supply current of 365 nA |
| Factory calibrated accuracy ±5 ppm typical after 2 reflows (SOX18) (much better accuracies are achievable using built-in programmable analog and digital calibration circuits) |
| 2.0 V to 5.5 V clock operating voltage |
| Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century |
| Automatic switchover and reset output circuitry (fixed reference): M41T93S: VCC= 3.0 V to 5.5 V; M41T93R: VCC= 2.7 V to 5.5 V; M41T93Z: VCC= 2.38 V to 5.50 V |
| Compatible with SPI bus serial interface (supports SPI mode 0 [CPOL = 0, CPHA = 0]) |
| Programmable alarm with interrupt function (valid even during battery backup mode) |
| Optional 2ndprogrammable alarm available |
| Square wave output (defaults to 32 KHz on power-up) |
| RESET (RST ) output |
| Watchdog timer |
| Programmable 8-bit counter/timer |
| 7 bytes of battery-backed user SRAM |
| Battery low flag |
| Low operating current of 80 μA |
| Oscillator stop detection |
| Battery or supercapacitor backup |
| Operating temperature of –40 °C to +85 °C |
| Package options include a 16-lead QFN and an 18-lead embedded crystal SOIC |
Resources
Product Specifications |
|---|
| DS4878 Serial SPI bus real-time clock (RTC) with battery switchover |
Brochures |
|---|
| Serial real-time clock ICs |
Alternative Descriptions
| Alarm Rtc, 32B, Spi, 5.5V, Qfn-16 | Newark Electronics |
| ALARM RTC, 32B, SPI, 5.5V, QFN-16 | element14 |
| M41T93 Series 5.5 V Serial SPI Bus RTC With Battery Switchover -QFN-16 | Future Electronics |
| Real Time Clock Serial 32Byte 16-Pin QFN T/R | Avnet America |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a M41T93RQA6F?
Additional datasheets, footprints and schematics for M41T93RQA6F are listed on our Part Details page. You can also find images and similar parts to M41T93RQA6F on this page.
What pricing and inventory information can I view?
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What category does M41T93RQA6F fall under?
The M41T93RQA6F is listed under Clocks and Timers > Real-Time Clock (RTC) ICs > RTC - Serial Interface.
Can I view similar or alternative parts?
You can view similar parts to M41T93RQA6F when available in the RTC - Serial Interface range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the M41T93RQA6F you can contact the distributor directly for product support, shipping queries etc.
Is the M41T93RQA6F RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for M41T93RQA6F have stock available?
Authorised distributors including Newark Electronics, element14, Farnell, Future Electronics and Avnet America have stock available or on a lead time for M41T93RQA6F.
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