Datasheet Microchip MCP79521

ManufacturerMicrochip
SeriesMCP79521

The MCP79521 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices

Datasheets

Datasheet PDF, 708 Kb, File published: Dec 13, 2016
MCP7951X/MCP7952X Battery-Backed SPI RTCC Data Sheet
Docket

Prices

Status

MCP79521-I/MSMCP79521T-I/MNMCP79521T-I/MS
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

MCP79521-I/MSMCP79521T-I/MNMCP79521T-I/MS
PackageMSOPTDFNMSOP
Pins101010

Parametrics

MCP79521-I/MSMCP79521T-I/MNMCP79521T-I/MS
32KHz Boot ClockNONONO
Alarms2 Alarms (0.01sec)2 Alarms (0.01sec)2 Alarms (0.01sec)
Digital_Trimming-255 to +255ppm (1 ppm steps)-255 to +255ppm (1 ppm steps)-255 to +255ppm (1 ppm steps)
EEPROM, Kbits222
Ibat Current, nA700700700
InterfaceSPISPISPI
Operating Temperature Range, °C-40 to +85-40 to +85-40 to +85
OutputsIRQ/CLKIRQ/CLKIRQ/CLK
Power-Fail TimestampVCC Fail and VCC RestoreVCC Fail and VCC RestoreVCC Fail and VCC Restore
Temperature Range-40 to +85-40 to +85-40 to +85
Unique ID, MAC_AddressEUI-48EUI-48EUI-48
User SRAM, Bytes646464
Vbat Range, V1.3 - 3.61.3 - 3.61.3 - 3.6
Vcc Range, V1.8 - 3.61.8 - 3.61.8 - 3.6
Watchdog TimerNONONO

Eco Plan

MCP79521-I/MSMCP79521T-I/MNMCP79521T-I/MS
RoHSCompliantCompliantCompliant

Other Options

MCP79510 MCP79511 MCP79512 MCP79520 MCP79522

Model Line

Manufacturer's Classification