Datasheet Microchip MCP79521

Manufacturer	Microchip
Series	MCP79521

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

Datasheets

PDF, 708 Kb, File published: Dec 13, 2016

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Prices

Status

	MCP79521-I/MS	MCP79521T-I/MN	MCP79521T-I/MS
Lifecycle Status	Production (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/MS	MCP79521T-I/MN	MCP79521T-I/MS
N	1	2	3
Package	MSOP	TDFN	MSOP
Pins	10	10	10

Parametrics

Parameters / Models	MCP79521-I/MS	MCP79521T-I/MN	MCP79521T-I/MS
32KHz Boot Clock	NO	NO	NO
Alarms	2 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, Kbits	2	2	2
Ibat Current, nA	700	700	700
Interface	SPI	SPI	SPI
Operating Temperature Range, °C	-40 to +85	-40 to +85	-40 to +85
Outputs	IRQ/CLK	IRQ/CLK	IRQ/CLK
Power-Fail Timestamp	VCC Fail and VCC Restore	VCC Fail and VCC Restore	VCC Fail and VCC Restore
Temperature Range	-40 to +85	-40 to +85	-40 to +85
Unique ID, MAC_Address	EUI-48	EUI-48	EUI-48
User SRAM, Bytes	64	64	64
Vbat Range, V	1.3 - 3.6	1.3 - 3.6	1.3 - 3.6
Vcc Range, V	1.8 - 3.6	1.8 - 3.6	1.8 - 3.6
Watchdog Timer	NO	NO	NO

Eco Plan

	MCP79521-I/MS	MCP79521T-I/MN	MCP79521T-I/MS
RoHS	Compliant	Compliant	Compliant

Other Options

MCP79510 MCP79511 MCP79512 MCP79520 MCP79522

Model Line

Series: MCP79521 (3)

MCP79521-I/MS MCP79521T-I/MN MCP79521T-I/MS

Manufacturer's Classification

Clock and Timing > Real-Time Clock > RTCC SPI

EMS supplier

Slices

Microcontrollers