Manufacturer
Analog Devices Inc./Maxim Integrated
Dallas Semiconductor
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, Trickle-Charger
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
2B
2KB
2MB
31B
32B
32KB
3B
44B
4KB
50B
512B
512KB
512kb
56B
56b
56B, 8KB
64B
64B, 1Kb
7B
8B
8K
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
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
5V
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Products-1866 Record(s)

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Mfr Part #
Price ($)
Quantity Available
Series
Package
Product Status
Type
Features
Memory Size
Time Format
Date Format
Interface
Voltage - Supply
Obsolete2303-TubeObsoleteClock/CalendarLeap Year, NVSRAM, Y2K32KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
DS17885-5+
DS17885-5+
DS17885-5+
IC RTC CLK/CALENDAR PAR 24DIP
Analog Devices Inc./Maxim Integrated
Obsolete3618-TubeObsoleteClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output8KBHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
X1288S16IT1
X1288S16IT1
X1288S16IT1
IC RTC CLK/CALENDAR I2C 16SOIC
Renesas Electronics America Inc.
Obsolete3744-Tape & Reel (TR)ObsoleteClock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5V ~ 5.5V
DS1743-70
DS1743-70
DS1743-70
IC RTC CLK/CALENDAR PAR 28EDIP
Analog Devices Inc./Maxim Integrated
$4.144093-TubeObsoleteClock/CalendarLeap Year, NVSRAM, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
DS1307Z
DS1307Z
DS1307Z
IC RTC CLK/CALENDAR I2C 8SOIC
Analog Devices Inc./Maxim Integrated
$0.35200-TubeObsoleteClock/CalendarLeap Year, NVSRAM, Square Wave Output56BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5V ~ 5.5V
M41ST85YMH6E
M41ST85YMH6E
M41ST85YMH6E
IC RTC CLK/CALENDAR I2C 28SOH
STMicroelectronics
$2.762681-TubeObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5V ~ 5.5V
X1228S14Z-2.7A
X1228S14Z-2.7A
X1228S14Z-2.7A
IC RTC CLK/CALENDAR I2C 14SOIC
Intersil
Obsolete3778-TubeObsoleteClock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7V ~ 5.5V
M41ST85WMX6TR
M41ST85WMX6TR
M41ST85WMX6TR
IC RTC CLOCK/CALENDAR I2C 28SO
STMicroelectronics
$3.595000-Tape & Reel (TR)ActiveClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer44BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7V ~ 3.6V
M41T65Q6F
M41T65Q6F
M41T65Q6F
IC RTC CLK/CALENDAR I2C 16QFN
STMicroelectronics
$13.803297Timekeeper®Tape & Reel (TR)ObsoleteClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3V ~ 4.4V
M41T00SC64MY6F
M41T00SC64MY6F
M41T00SC64MY6F
IC RTC CLK/CALENDAR I2C 18SOX
STMicroelectronics
$1.663802-Tape & Reel (TR)ObsoleteClock/CalendarEEPROM, Leap Year8KBHH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial2.7V ~ 5.5V
DS1685SN-5
DS1685SN-5
DS1685SN-5
IC RTC CLK/CALENDAR PAR 24SOIC
Analog Devices Inc./Maxim Integrated
Obsolete2800-TubeObsoleteClock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
$20.7028-TubeObsoleteClock/CalendarLeap Year, NVSRAM, Y2K8KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
DS1500WN
DS1500WN
DS1500WN
IC RTC CLK/CALENDAR PAR 32EDIP
Analog Devices Inc./Maxim Integrated
Obsolete3521-TubeObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K256BHH:MM:SS (24 hr)YY-MM-DD-ddParallel3V ~ 3.6V
DS1685EN-3
DS1685EN-3
DS1685EN-3
IC RTC CLK/CALENDAR PAR 24TSSOP
Analog Devices Inc./Maxim Integrated
Obsolete2953-TubeObsoleteClock/CalendarAlarm, NVSRAM, Square Wave Output, Y2K242BHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7V ~ 3.7V
PCF8564ACX9/1,005
PCF8564ACX9/1,005
PCF8564ACX9/1,005
IC RTC CLOCK/CALENDAR I2C DIE
NXP USA Inc.
Obsolete3920-BulkObsoleteClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1V ~ 5.5V
Obsolete4139-TubeObsoleteClock/CalendarAlarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer8KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
X1205V8I
X1205V8I
X1205V8I
IC RTC CLK/CALENDAR I2C 8TSSOP
Renesas Electronics America Inc.
Obsolete2136-TubeObsoleteClock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7V ~ 5.5V
BQ4822YMA-70
BQ4822YMA-70
BQ4822YMA-70
IC RTC CLK/CALENDAR PAR 28-DIP
Texas Instruments
$4.14154-TubeObsoleteClock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
DS17485S-3
DS17485S-3
DS17485S-3
IC RTC CLK/CALENDAR PAR 24SOIC
Analog Devices Inc./Maxim Integrated
$1.243697-TubeObsoleteClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output4KBHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel2.7V ~ 3.7V
DS1642-70
DS1642-70
DS1642-70
IC RTC CLK/CALENDAR PAR 24EDIP
Analog Devices Inc./Maxim Integrated
Obsolete3685-TubeObsoleteClock/CalendarLeap Year, NVSRAM2KBHH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
X1227S8IZ-4.5A
X1227S8IZ-4.5A
X1227S8IZ-4.5A
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics America Inc.
Obsolete4747-TubeObsoleteClock/CalendarAlarm, Leap Year, Supervisor, Watchdog Timer-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial4.5V ~ 5.5V
X1226V8T1
X1226V8T1
X1226V8T1
IC RTC CLK/CALENDAR I2C 8TSSOP
Renesas Electronics America Inc.
Obsolete3038-Tape & Reel (TR)ObsoleteClock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7V ~ 5.5V
DS1302S/T&R
DS1302S/T&R
Obsolete4029-Tape & Reel (TR)ObsoleteClock/CalendarLeap Year, NVSRAM, Trickle-Charger31BHH:MM:SS (12/24 hr)YY-MM-DD-dd3-Wire Serial2V ~ 5.5V
DS17285SN-5
DS17285SN-5
DS17285SN-5
IC RTC CLK/CALENDAR PAR 24SOIC
Analog Devices Inc./Maxim Integrated
Obsolete3086-TubeObsoleteClock/CalendarAlarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output2KBHH:MM:SS (12/24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V
DS1342T+T&R
DS1342T+T&R
$1.934901-Tape & Reel (TR)ActiveClock/CalendarAlarm, Leap Year, Square Wave Output-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V
Mfr Part #
DS17885-5+
DS17885-5+
DS17885-5+
IC RTC CLK/CALENDAR PAR 24DIP
Analog Devices Inc./Maxim Integrated
X1288S16IT1
X1288S16IT1
X1288S16IT1
IC RTC CLK/CALENDAR I2C 16SOIC
Renesas Electronics America Inc.
DS1743-70
DS1743-70
DS1743-70
IC RTC CLK/CALENDAR PAR 28EDIP
Analog Devices Inc./Maxim Integrated
DS1307Z
DS1307Z
DS1307Z
IC RTC CLK/CALENDAR I2C 8SOIC
Analog Devices Inc./Maxim Integrated
M41ST85YMH6E
M41ST85YMH6E
M41ST85YMH6E
IC RTC CLK/CALENDAR I2C 28SOH
STMicroelectronics
X1228S14Z-2.7A
X1228S14Z-2.7A
X1228S14Z-2.7A
IC RTC CLK/CALENDAR I2C 14SOIC
Intersil
M41ST85WMX6TR
M41ST85WMX6TR
M41ST85WMX6TR
IC RTC CLOCK/CALENDAR I2C 28SO
STMicroelectronics
M41T65Q6F
M41T65Q6F
M41T65Q6F
IC RTC CLK/CALENDAR I2C 16QFN
STMicroelectronics
M41T00SC64MY6F
M41T00SC64MY6F
M41T00SC64MY6F
IC RTC CLK/CALENDAR I2C 18SOX
STMicroelectronics
DS1685SN-5
DS1685SN-5
DS1685SN-5
IC RTC CLK/CALENDAR PAR 24SOIC
Analog Devices Inc./Maxim Integrated
DS1500WN
DS1500WN
DS1500WN
IC RTC CLK/CALENDAR PAR 32EDIP
Analog Devices Inc./Maxim Integrated
DS1685EN-3
DS1685EN-3
DS1685EN-3
IC RTC CLK/CALENDAR PAR 24TSSOP
Analog Devices Inc./Maxim Integrated
PCF8564ACX9/1,005
PCF8564ACX9/1,005
PCF8564ACX9/1,005
IC RTC CLOCK/CALENDAR I2C DIE
NXP USA Inc.
X1205V8I
X1205V8I
X1205V8I
IC RTC CLK/CALENDAR I2C 8TSSOP
Renesas Electronics America Inc.
BQ4822YMA-70
BQ4822YMA-70
BQ4822YMA-70
IC RTC CLK/CALENDAR PAR 28-DIP
Texas Instruments
DS17485S-3
DS17485S-3
DS17485S-3
IC RTC CLK/CALENDAR PAR 24SOIC
Analog Devices Inc./Maxim Integrated
DS1642-70
DS1642-70
DS1642-70
IC RTC CLK/CALENDAR PAR 24EDIP
Analog Devices Inc./Maxim Integrated
X1227S8IZ-4.5A
X1227S8IZ-4.5A
X1227S8IZ-4.5A
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics America Inc.
X1226V8T1
X1226V8T1
X1226V8T1
IC RTC CLK/CALENDAR I2C 8TSSOP
Renesas Electronics America Inc.
DS1302S/T&R
DS1302S/T&R
DS17285SN-5
DS17285SN-5
DS17285SN-5
IC RTC CLK/CALENDAR PAR 24SOIC
Analog Devices Inc./Maxim Integrated
DS1342T+T&R
DS1342T+T&R
45
Serves customers in 45 countries
1000+
Worldwide Manufacturers
$140M
$140M Growth in 5 Years
50.0M+
50M Parts Shipped in 5 Years