Image shown is representative only. Exact specifications should be obtained from the product datasheet.
EPSON RTC-72421B: ROHS
Manufacturer
Manufacturer Product Number
RTC-72421B: ROHS
Description
IC RTC CLK/CALENDAR PAR 18DIP
Manufacturer Standard Lead Time Contact us
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar Parallel 18-DIP (0.300", 7.62mm)
Datasheet View datasheet
Product Attributes
Type
Description
Manufacturer
EPSON
Product Status
Obsolete
Operating Temperature
-10°C ~ 70°C
DigiKey Programmable
Not Verified
Voltage - Supply
4.5V ~ 5.5V
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Features
Leap Year
Mounting Type
Through Hole
Supplier Device Package
18-DIP
Memory Size
-
Voltage - Supply, Battery
-
Interface
Parallel
Package / Case
18-DIP (0.300", 7.62mm)
Current - Timekeeping (Max)
5µA ~ 10µA @ 2V ~ 5V
Type
Clock/Calendar
Documents & Media
Resource Type
Link
Datasheets
Product Change Notices
Part Numbering Guides
Environmental & Export Classifications
Attribute
Description
Product Status
Obsolete
Additional Resources
Attribute
Description
Part Number Alias
RTC-72421B: ROHS
1021872
Availability
Out of Stock
Updated
5/16/2026
In-Stock: 0
Packaging Quantity Unit Price Ext Price
1 0Â â‚« 0Â â‚«
0Â â‚«
All prices are shown in the selected currency
Substitutes
RTC-72423B:ROHS
IC RTC CLK/CALENDAR PAR 24SOP
RTC-72423B3: ROHS
IC RTC CLK/CALENDAR PAR 24SOP