RTC-72421 |
Part Number | RTC-72421 |
Manufacturer | Epson Company |
Description | Real time clock module 4-bit REAL TIME CLOCK MODULE RTC-72421/ 72423 • • • • • • Built-in crystal unit allows adjustment-free efficient operation. ALE input terminal available for 8048, 8051, and 808... |
Features |
a backup function.
Actual size
Specifications (characteristics) Absolute Max. rating
Symbol Item VDD Power source voltage VI/O Input and output voltage Storage temperature TSTG Condition Ta=+25 °C Ta=+25 °C RTC-72421 RTC-72423 RTC-72421 Soldering condition TSOL RTC-72423 Specifications -0.3 to 7.0 GND -0.3 to VDD+0.3 -55 to +85 -55 to +125
Under +260 °C within 10 s (lead part) (package should be less than +150 °C)
Terminal connection
Unit V °C
RTC-72421
18 17 16 15 14 13 12 11 10
Twice at under +260 °C within 10 s or under +230 °C within 3 min.
1
2
3
4
5
6
7
8
9
Operating range
... |
Document |
RTC-72421 Data Sheet
PDF 212.50KB |
Distributor | Stock | Price | Buy |
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No. | Parte # | Fabricante | Descripción | Hoja de Datos |
---|---|---|---|---|
1 | RTC-72423 |
Epson Company |
Real time clock module(4-bit REAL TIME CLOCK MODULE) | |
2 | RTC-7301DG |
Epson Company |
(RTC-7301DG/SF) 4-bit REAL TIME CLOCK MODULE | |
3 | RTC-7301SF |
Epson Company |
(RTC-7301DG/SF) 4-bit REAL TIME CLOCK MODULE | |
4 | RTC-4513 |
Epson Company |
Real time clock module(SERIAL-INTERFACE REAL TIME CLOCK MODULE) | |
5 | RTC-4543SA |
Epson |
SERIAL-INTERFACE REAL TIME CLOCK MODULE |