Toyocom RTC72421B
Obsolete
Supply Chain
Country of OriginJapan
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date1993-05-12
Lifecycle StatusObsolete (Last Updated: 5 months ago)
Related Parts
Analog DevicesDS1315-33+
16-DIP (0.300 7.62mm) DS1315 8542.39.00.01 Leap Year rtc clock circuit 3V~3.6V 1.1mA @ 3.3V 19.175mm 0.032MHz
Descriptions
Descriptions of Toyocom RTC72421B provided by its distributors.
Real Time Clock, Volatile, 0 Timer(s), CMOS, PDIP18
Real Time Clock Parallel 18-Pin PDIP
IC RTC CLK/CALENDAR PAR 18-DIP
Through Hole HH:MM:SS (12/24hr) Contains Lead Through Hole Real Time Clock (RTC) IC 2010 70C 1MHz 23.1mm
Manufacturer Aliases
Toyocom has several brands around the world that distributors may use as alternate names. Toyocom may also be known as the following names:
- TOYOCOM USA
- EPSON TOYOCOM CORP
- EPSON TOYOCOM
- EPSON-TOYO
- Toyocom U S A Inc
- Epson Toyocom Co Ltd
- Seiko Epson (Epson Toyocom)
- TOYO
- Epson Toyocom Corporation
- TOYOCOM-EPSON
Technical Specifications
Physical
Case/PackageDIP
MountThrough Hole
Number of Pins18
Number of Terminals18
Technical
Date FormatYY-MM-DD-dd
Frequency1 MHz
InterfaceParallel
Max Frequency32 kHz
Max Operating Temperature70 °C
Max Supply Current10 µA
Max Supply Voltage5.5 V
Min Operating Temperature-10 °C
Min Supply Voltage4.5 V
Number of Bits4
Number of Outputs5
Number of Timers/Counters0
Operating Supply Voltage5 V
PackagingBulk
Temperature GradeCommercial
TerminationThrough Hole
Time FormatHH:MM:SS (12/24 hr)
Dimensions
Height4.2 mm
Height - Seated (Max)4.2 mm
Length22.606 mm
Terminal Pitch2.54 mm
Width7.62 mm