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| PartNumber | RTC-72423A:3:ROHS | RTC-72421B:ROHS | RTC-72421A:ROHS |
| Description | Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C | Real Time Clock 4-Bit 12/24 Hr 50ppm 18 pin | Real Time Clock 4Bit 5.5Volts 18PIN 12/24 hr. -10C +70C |
| Manufacturer | Epson | Epson | Epson |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | E | E | E |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Package / Case | SOP-24 | DIP-18 | DIP-18 |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | DW:DM:M:Y |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | - 40 C | - 10 C | - 10 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Packaging | Reel | Bulk | Bulk |
| Function | Calendar, Clock, Clock Adjustment | Calendar, Clock, Clock Adjustment | Calendar, Clock, Clock Adjustment |
| Product | Real Time Clocks | Real Time Clocks | Real Time Clocks |
| Series | RTC | RTC | RTC |
| Brand | Epson Timing | Epson Timing | Epson Timing |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 250 | 25 | 25 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.038731 oz | 0.048001 oz | 0.049384 oz |
| Part # Aliases | - | - | Q42724211000100 |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Epson Timing |
RTC-72423A:3:ROHS | Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C | |
| RTC-72423A:ROHS | Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C | ||
| RTC-72421B:ROHS | Real Time Clock 4-Bit 12/24 Hr 50ppm 18 pin | ||
| RTC-72423B3:ROHS | Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin | ||
| RTC-72421A:ROHS | Real Time Clock 4Bit 5.5Volts 18PIN 12/24 hr. -10C +70C | ||
| RTC-72423B:ROHS | Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin | ||
| RTC-72423B: PURE SN | Real Time Clock SMD REAL TIME CLOCK +/-50PPM 24 PIN | ||
| RTC-72421A | IC RTC CLK/CALENDAR PAR 18-DIP | ||
| RTC-72423 | Real Time Clock, 24 Pin, Plastic, SOP | ||
| RTC-72423A | IC RTC CLK/CALENDAR PAR 24-SOP | ||
| RTC-72423B3:ROHS | Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin | ||
| RTC-72423B:ROHS | Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin | ||
| RTC-72423B: PURE SN | Real Time Clock 4-Bit 12/24 Hr 50ppm 24 Pin | ||
| RTC-72421B:ROHS | Real Time Clock 4-Bit 12/24 Hr 50ppm 18 pin | ||
| RTC-72423A:3:ROHS | Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C | ||
| RTC-72423A:ROHS | Real Time Clock 4Bit 5.5Volts 24PIN 12/24 hr. -40C +85C | ||
| RTC-72421A:ROHS | Real Time Clock 4Bit 5.5Volts 18PIN 12/24 hr. -10C +70C | ||
| RTC-72421A: ROHS | New and Original | ||
| RTC-72421B: ROHS | IC RTC CLK/CALENDAR PAR 18-DIP | ||
| RTC-72423A3: ROHS | RTC-72423A Series 5 V �20 ppm 4 Bit Real Time Clock Module - SOP-24 | ||
| RTC-72423A3: ROHS-CUT TAPE | New and Original | ||
| RTC-72423B3: ROHS | IC RTC CLK/CALENDAR PAR 24-SOP | ||
| RTC-72423A: ROHS | IC RTC CLK/CALENDAR PAR 24-SOP | ||
| RTC-72421 A 10PPM 4BIT ROHSCONF | RTC-72421 A 10ppm 4bit |