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Manufacturers for Clock/Timing - Real Time Clocks

Abracon LLC.
Ambiq Micro, Inc.
ams
AVX Corporation
Diodes Incorporated
Epson
Integrated Device Technology, Inc.
Intersil (Renesas Electronics America)
Maxim Integrated
Microchip Technology
NJR Corporation/NJRC
NXP Semiconductors
ROHM Semiconductor
ABLIC U.S.A. Inc.
STMicroelectronics
Texas Instruments
Part Number Manufacturer / Brand Brife Description Part StatusTypeFeaturesMemory SizeTime FormatDate FormatInterfaceVoltage - SupplyVoltage - Supply, BatteryCurrent - Timekeeping (Max)Operating TemperatureMounting TypePackage / CaseSupplier Device Package
DS1243Y-120
 Maxim Integrated IC RTC PHANTOM PAR 28-DIP ObsoletePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
7mA @ 3.3V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1243Y-120+
 Maxim Integrated IC RTC PHANTOM PAR 28-DIP ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
7mA @ 3.3V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1244W-120+
 Maxim Integrated IC RTC PHANTOM PAR 28-DIP ActivePhantom Time ChipLeap Year, NVSRAM32KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
7mA @ 3.3V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1244Y-70
 Maxim Integrated IC SRAM 256K 5V 70NS 28-DIP ActivePhantom Time ChipLeap Year, NVSRAM32KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
10mA @ 5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1244Y-70+
 Maxim Integrated IC RTC PHANTOM PAR 28-DIP ActivePhantom Time ChipLeap Year, NVSRAM32KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
10mA @ 5V0°C ~ 70°CThrough Hole28-DIP Module (0.600", 15.24mm)28-EDIP
DS1248W-120+
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ActivePhantom Time ChipNVSRAM128KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
7mA @ 3.3V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1248WP-120
 Maxim Integrated IC RTC PHANTOM PAR 34-PCM ObsoletePhantom Time ChipNVSRAM128KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V3V7mA @ 3.3V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1248Y-100IND
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ObsoletePhantom Time ChipNVSRAM128KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
7mA @ 3.3V-40°C ~ 85°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1248Y-70+
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ActivePhantom Time ChipNVSRAM128KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
10mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1248YP-70+
 Maxim Integrated IC RTC PHANTOM PAR 34-PCM ActivePhantom Time ChipNVSRAM128KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V3V10mA @ 5V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1251W-120+
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ActivePhantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
7mA @ 3.3V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1251W-120IND+
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ActivePhantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V
-
7mA @ 3.3V-40°C ~ 85°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1251WP-120
 Maxim Integrated IC RTC PHANTOM PAR 34-PCM ObsoletePhantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel2.97 V ~ 3.63 V3V7mA @ 3.3V0°C ~ 70°CSurface Mount34-PowerCap™ Module34-PowerCap Module
DS1251Y-70
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ObsoletePhantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
10mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1251Y-70+
 Maxim Integrated IC RTC PHANTOM PAR 32-DIP ActivePhantom Time ChipLeap Year, NVSRAM512KBHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
10mA @ 5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-EDIP
DS1315-33+
 Maxim Integrated IC RTC PHANTOM PAR 16-DIP ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V0°C ~ 70°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
DS1315-5
 Maxim Integrated IC RTC PHANTOM PAR 16-DIP ObsoletePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V1.3mA @ 5V0°C ~ 70°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
DS1315-5+
 Maxim Integrated IC RTC PHANTOM PAR 16-DIP ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V1.3mA @ 5V0°C ~ 70°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
DS1315EN-33+
 Maxim Integrated IC RTC PHANTOM PAR 20-TSSOP ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V-40°C ~ 85°CSurface Mount20-TSSOP (0.173", 4.40mm Width)20-TSSOP
DS1315S-33+
 Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V0°C ~ 70°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS1315S-33+T&R
 Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel3 V ~ 3.6 V2.5 V ~ 3.7 V1.1mA @ 3.3V0°C ~ 70°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS1315S-5
 Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ObsoletePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V1.3mA @ 5V0°C ~ 70°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS1315S-5+
 Maxim Integrated IC RTC PHANTOM PAR 16-SOIC ActivePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V2.5 V ~ 3.7 V1.3mA @ 5V0°C ~ 70°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
M41T315V-85MH6F
 STMicroelectronics IC RTC PHANTOM SER 28-SOIC ObsoletePhantom Time ChipLeap Year, Supervisor
-
HH:MM:SS (12/24 hr)YY-MM-DD-ddSerial3 V ~ 3.6 V2.5 V ~ 3.7 V2mA @ 2.7V ~ 3.6V-40°C ~ 85°CSurface Mount28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets28-SOH
M48T248Y-70PM1
 STMicroelectronics IC RTC PHANTOM PAR 32-DIP ObsoletePhantom Time ChipLeap Year
-
HH:MM:SS:hh (12/24 hr)YY-MM-DD-ddParallel4.5 V ~ 5.5 V
-
5mA @ 4.5V ~ 5.5V0°C ~ 70°CThrough Hole32-DIP Module (0.600", 15.24mm)32-PMDIP
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