Real Time Clocks - SZComponents

Part number:

Manufacturer

Analog Devices Inc./Maxim Integrated

Intersil

Microchip Technology

National Semiconductor

NXP USA Inc.

Renesas Electronics America Inc.

STMicroelectronics

Texas Instruments

Series

2-Wire™

Automotive, AEC-Q100

EconoRAM

LV8571A

Timekeeper®

Timekeeper®, CAPHAT™

Package

Bag

Bulk

Strip

Tape & Reel (TR)

Tray

Tube

Product Status

Active

Discontinued at

Last Time Buy

Not For New Designs

Obsolete

Type

Binary Counter

Clock/Calendar

Clock/Calendar/Supervisor

Elapsed Time Counter

Phantom Time Chip

Portable System Controller

Real Time Clock (RTC)

Temperature Recorder

Time Event Recorder

Timer Clock Peripheral (TCP)

with Temp. Recorder

Features

Alarm

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

Alarm, Daylight Savings, Leap Year, RAM

Alarm, Daylight Savings, Leap Year, SRAM

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

Alarm, Daylight Savings, NVRAM, NVSRAM, Square Wave Output, Y2K

Alarm, Daylight Savings, NVSRAM

Alarm, Daylight Savings, SRAM

Alarm, EEPROM

Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID

Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer

Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer

Alarm, EEPROM, Leap Year, SRAM, Supervisor, Watchdog Timer, Y2K

Alarm, EEPROM, Leap Year, SRAM, Unique ID, Y2K

Alarm, EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer

Alarm, EEPROM, Leap Year, Supervisor, Watchdog Timer

Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal

Alarm, Leap Year

Alarm, Leap Year, NVRAM, Square Wave Output, SRAM, Supervisor, Trickle Charger, Watchdog Timer

Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger

Alarm, Leap Year, NVRAM, Square Wave Output, Trickle-Charger

Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer

Alarm, Leap Year, NVSRAM, Square Wave Output

Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer

Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger

Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer

Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K

Alarm, Leap Year, NVSRAM, Trickle-Charger

Alarm, Leap Year, NVSRAM, Watchdog Timer

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

Alarm, Leap Year, NVSRAM, Y2K

Alarm, Leap Year, RAM

Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger

Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger

Alarm, Leap Year, RAM, Trickle Charger

Alarm, Leap Year, Square Wave Output

Alarm, Leap Year, Square Wave Output, SRAM

Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal

Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer

Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K

Alarm, Leap Year, Square Wave Output, TCXO/Crystal

Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer

Alarm, Leap Year, Square Wave Output, Trickle-Charger

Alarm, Leap Year, Square Wave Output, Unique ID

Alarm, Leap Year, Square Wave Output, Watchdog Timer

Alarm, Leap Year, SRAM

Alarm, Leap Year, SRAM, Watchdog Timer

Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer

Alarm, Leap Year, Supervisor, Watchdog Timer

Alarm, Leap Year, Unique ID

Alarm, Leap Year, Unique ID, Y2K

Alarm, Leap Year, Watchdog Timer

Alarm, Leap Year, Watchdog Timer, Y2K

Alarm, NVRAM, Square Wave Output, Trickle-Charger, Watchdog Timer

Alarm, NVSRAM

Alarm, NVSRAM, Square Wave Output

Alarm, NVSRAM, Square Wave Output, Y2K

Alarm, Square Wave Output

Alarm, Square Wave Output, SRAM

Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer

Alarm, Square Wave Output, Watchdog Timer

Alarm, SRAM, Trickle-Charger

Alarm, Supervisor, Watchdog Timer

Audio, Leap Year, Trickle-Charger

EEPROM, Leap Year

EEPROM, Leap Year, NVSRAM

EEPROM, Leap Year, NVSRAM, RAM

EEPROM, Leap Year, RAM, SRAM

EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer

Leap Year

Leap Year, NVSRAM

Leap Year, NVSRAM, RAM, Trickle-Charger

Leap Year, NVSRAM, Square Wave Output

Leap Year, NVSRAM, Trickle-Charger

Leap Year, NVSRAM, Y2K

Leap Year, Square Wave Output, Trickle-Charger

Leap Year, Supervisor

Leap Year, Trickle-Charger

Leap Year, Watchdog Timer

NVSRAM

Square Wave Output, Unique ID

Trickle-Charger

Unique ID

Memory Size

10B

113B

114B

128B

128KB

16B

236B

240B

242B

256B

2KB

2MB

31B

32B

32KB

44B

4KB

50B

512B

512KB

512kb

56B

56b

56B, 8KB

64B

64B, 1Kb

8KB

96B

Time Format

Binary

HH:MM:SS

HH:MM:SS (12/24 hr)

HH:MM:SS (24 hr)

HH:MM:SS:hh (12/24 hr)

HH:MM:SS:hh (24 hr)

Date Format

Binary

YY-MM-DD

YY-MM-DD-dd

YYYY-MM-DD

Interface

1-Wire® and 3-Wire

1-Wire® Serial

3-Wire Serial

3-Wire Serial, SPI

I²C

I²C, 2-Wire Serial

I²C, Serial

I²C, SPI

Multiplexed

Parallel

Serial

SPI

SPI, 3-Wire Serial

SPI, 4-Wire Serial

Voltage - Supply

0.9V ~ 1.8V, 0.9V ~ 5.5V

0.9V ~ 5.5V

0.9V ~ 5.5V, 1.8V ~ 5.5V

1.1V ~ 5.5V

1.2V ~ 5.5V

1.3V ~ 4.4V

1.4V ~ 5.5V

1.5V ~ 4.4V

1.6V ~ 3.6V

1.6V ~ 5.5V

1.71V ~ 1.89V

1.71V ~ 5.5V

1.7V ~ 3.6V

1.7V ~ 5.5V

1.8V ~ 2.2V

1.8V ~ 3.6V

1.8V ~ 4.2V

1.8V ~ 5.5V

1V ~ 5.5V

2.38V ~ 5.5V

2.3V ~ 4.5V

2.3V ~ 5.5V

2.4V ~ 5.5V

2.5V ~ 5.5V

2.5V ~ 6V

2.7V ~ 3.3V

2.7V ~ 3.3V, 4.5V ~ 5.5V

2.7V ~ 3.63V

2.7V ~ 3.6V

2.7V ~ 3.7V

2.7V ~ 3.7V, 4.5V ~ 5.5V

2.7V ~ 5.5V

2.8V ~ 5.5V

2.97V ~ 3.63V

2.97V ~ 3.63V, 4.5V ~ 5.5V

2.97V ~ 5.5V

2V ~ 5.5V

3.3V ~ 5.5V

3V ~ 3.6V

3V ~ 3.7V

3V ~ 5.5V

3V ~ 6V

3V, 3.3V, 5V

4.5V ~ 5.5V

4.75V ~ 5.25V

4.75V ~ 5.5V

4V ~ 5.5V

Media

DatasheetPhoto
Stocking Options

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Products-1801 Record(s)

Mfr Part #	Price ($)	Quantity Available	Series	Package	Product Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply
MCP79410-I/MS IC RTC CLK/CALENDAR I2C 8MSOP Microchip Technology	$1.51	2617	-	Tube	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79520-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology	$13.69	5000	-	Tube	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP7940M-I/MS IC RTC CLK/CALENDAR I2C 8MSOP Microchip Technology	$0.75	4435	-	Tube	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79410T-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$8.90	3995	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP795W21-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology	$1.94	204	-	Tube	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP79410T-I/MS IC RTC CLK/CALENDAR I2C 8MSOP Microchip Technology	$1.51	900	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79412T-I/MNY IC RTC CLK/CALENDAR I2C 8TDFN Microchip Technology	$1.30	4671	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP795W10-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology	$1.75	100	-	Tube	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP795W20-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology	$3.42	126	-	Tube	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP7940MT-I/MNY IC RTC CLK/CALENDAR I2C 8TDFN Microchip Technology	$4.11	5380	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79510T-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology	$13.01	3709	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP7940NT-E/SN IC RTC CLK/CALENDAR I2C 8SOIC Microchip Technology	$17.80	6600	Automotive, AEC-Q100	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP7940N-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$1.64	7500	Automotive, AEC-Q100	Tube	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79400-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$1.00	2273	-	Tube	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79402-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$5.89	500	-	Tube	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79411-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$20.54	2710	-	Tube	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP795W11-I/ST IC RTC CLK/CALENDAR SPI 14TSSOP Microchip Technology	$1.89	3544	-	Tube	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP7940MT-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$0.71	4992	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79400T-I/MNY IC RTC CLK/CALENDAR I2C 8TDFN Microchip Technology	$1.44	5300	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79402T-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$6.16	500	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79510T-I/MN IC RTC CLK/CALENDAR SPI 10TDFN Microchip Technology	$20.54	4676	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP79411T-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology	$5.75	2542	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8V ~ 5.5V
MCP79520T-I/MN IC RTC CLK/CALENDAR SPI 10TDFN Microchip Technology	$1.29	2153	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP79522T-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology	$1.38	4357	-	Tape & Reel (TR)	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V
MCP795W21-I/ST IC RTC CLK/CALENDAR SPI 14TSSOP Microchip Technology	$1.84	3930	-	Tube	Active	Clock/Calendar	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8V ~ 3.6V

	Mfr Part #
	MCP79410-I/MS IC RTC CLK/CALENDAR I2C 8MSOP Microchip Technology
	MCP79520-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology
	MCP7940M-I/MS IC RTC CLK/CALENDAR I2C 8MSOP Microchip Technology
	MCP79410T-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP795W21-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology
	MCP79410T-I/MS IC RTC CLK/CALENDAR I2C 8MSOP Microchip Technology
	MCP79412T-I/MNY IC RTC CLK/CALENDAR I2C 8TDFN Microchip Technology
	MCP795W10-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology
	MCP795W20-I/SL IC RTC CLK/CALENDAR SPI 14SOIC Microchip Technology
	MCP7940MT-I/MNY IC RTC CLK/CALENDAR I2C 8TDFN Microchip Technology
	MCP79510T-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology
	MCP7940NT-E/SN IC RTC CLK/CALENDAR I2C 8SOIC Microchip Technology
	MCP7940N-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP79400-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP79402-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP79411-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP795W11-I/ST IC RTC CLK/CALENDAR SPI 14TSSOP Microchip Technology
	MCP7940MT-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP79400T-I/MNY IC RTC CLK/CALENDAR I2C 8TDFN Microchip Technology
	MCP79402T-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP79510T-I/MN IC RTC CLK/CALENDAR SPI 10TDFN Microchip Technology
	MCP79411T-I/ST IC RTC CLK/CALENDAR I2C 8TSSOP Microchip Technology
	MCP79520T-I/MN IC RTC CLK/CALENDAR SPI 10TDFN Microchip Technology
	MCP79522T-I/MS IC RTC CLK/CALENDAR SPI 10MSOP Microchip Technology
	MCP795W21-I/ST IC RTC CLK/CALENDAR SPI 14TSSOP Microchip Technology