MCP795W12-I/SL Clock,Timing & Frequency Management by Microchip Technology

Enhanced Feature Battery-Backed SPI Real-Time Clock/Calendar with Pre-Programmed EUI-64™ MAC ID

Status: Active
Series: MCP795W12
RoHS: Compliant
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The MCP795W12 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of memory, which includes SRAM, EEPROM and a unique ID in a locked section of EEPROM that is preprogrammed with a 48-bit MAC Address that can also be ordered blank for the end user to program. By adding a watchdog timer and two programmable event detect inputs, lower power and more system robustness can be achieved by off-loading MCU functions and allowing it to sleep for longer periods of time.

Where to Buy

Prices starting from US$1.48

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Features

VCC Min = 1.8V
Icc < 1 µA,Typical Standby Current
VBAT Min = 1.3V
Ibat < 700nA,Typical Timekeeping & SRAM Retention Current
VCC to VBAT (VCC Lost)
VBAT to VCC (VCC Restored)
IRQ (VCC or VBAT)
WDO (VCC)
Clock Out frequencies: 32.768, 8.192 & 4.096 KHz and 1 Hz
Adjusts up to 22 seconds/day
SPI Bus or EVHS digital input
High speed with programmable pulse count (EVHS)
Low speed with programmable debounce delay (EVLS)
Protect: None, 1/4, 1/2 or all of array
Unique ID is factory programmed with MAC Address

Specifications

Max Interface Speed 10 MHz
Pin Count 14
Minimum Clock_Count 0.01 sec
User SRAM (Bytes) 64
EEPROM Data Memory Bytes 1
Unique_ID (Bits) 128
Unique ID with MAC Addr EUI-64
Temperature Range -40 to +85
Pins | Packaging 14 | SOIC
Temp Range -40C to +85C
Packing Media Tube (57)

Resources



Application Notes
AN1365 - Recommended Usage of Microchip Serial RTCC Devices
AN1413 - Temperature Compensation of a Tuning Fork Crystal Based on MCP79410
AN1412 - How to Calculate UNIX Time Using a PIC18 Microcontroller and the MCP795W20 SPI RTCC
AN1519 - Recommended Crystals for Microchip Stand-Alone Real-Time Clock/Calendar Devices
AN1564 - Configuring and Using the Event Detection Module of MCP795WXX RTCCs
AN1565 - Configuring and Using the WDT Module of MCP795WXX Real-Time Clock/Calendars
TB3116 - Questions and Answers Concerning MCP79XXX Serial RTCCs
AN1950 - Configuring and Using the MCP795WXX SPI RTCC for Basic Timekeeping Based on a PIC18
AN2027 - Backup Power Sources for Microchip's RTCCs and SRAMs
AN2140 - Configuring and Using the Alarm Module of the MCP795WXX Real-Time Clock/Calendars
TB3187 - Organizationally Unique Identifiers for Preprogrammed EUI-48 and EUI-64 Address Devices


Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.1432
Shipping Weight (kg) 0.280702
Lead Count 14
Package Type SOIC
Package Width or Size .150In(3.90mm)
Soldering Composition Matte Tin

Alternative Descriptions

SPI GPP RTCC, 1Kb EE, 64B SRAM, WDT, Event Detect, EUI-64 | Microchip Technology
Spi Gpp Rtcc, 1Kb Ee, 64B Sram, Wd Timer, Event Detect, Eui-64 14 Soic .150In Tube Rohs Compliant: Yes |Microchip MCP795W12-I/SL | Newark Electronics
Real Time Clock Serial 64Byte 14-Pin SOIC N Tube | Avnet America
SPI GPP RTCC, 1Kb EE, 64B SRAM, WD Timer, Event Detect, EUI-6414 SOIC .150in TUBE | Microchip Technology Inc. MCP795W12-I/SL | RS Americas
RTCC, SPI, 1KB EE, 64B SRAM, SOIC-14 | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MCP795W12-I/SL?

Additional datasheets, footprints and schematics for MCP795W12-I/SL are listed on our Part Details page. You can also find images and similar parts to MCP795W12-I/SL on this page.

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What category does MCP795W12-I/SL fall under?

The MCP795W12-I/SL is listed under Semiconductors - ICs > Clock,Timing & Frequency Management > Real Time Clocks.

Can I view similar or alternative parts?

You can view similar parts to MCP795W12-I/SL when available in the Real Time Clocks range under the specifications section at the bottom of the details page.

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Is the MCP795W12-I/SL RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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Authorised distributors including Microchip Technology, Newark Electronics, Avnet America, RS Americas and Farnell have stock available or on a lead time for MCP795W12-I/SL.

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