component
X1B000242000100
Public Made by Adomby adom
Seiko Epson Real Time Clocks, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownX1B000242000100
Seiko Epson · Real Time Clocks · SOP-8
X1B000242000100 from Seiko Epson, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | N.C. | unconnected | Not connected; the datasheet gives no function for this pin. |
| 2 | N.C. | unconnected | Not connected; the datasheet gives no function for this pin. |
| 3 | /IRQ2 | output | Outputs interrupt signals ('L' level) for timer and FOUT as a C-MOS output. |
| 4 | GND | power_in | Ground connection for the device. |
| 5 | SDA | bidirectional | Data input/output pin for serial data transfer on the I2C-Bus (400 kHz). |
| 6 | SCL | input | Shift clock input pin for serial data transmission. |
| 7 | /IRQ1 | output | Outputs interrupt signals ('L' level) for alarm, timer, time update and 32.768kHz; N-channel open-drain output. |
| 8 | VDD | power_in | Power-supply pin; the recommended operating power voltage is 1.6 V to 5.5 V (typ. 3.0 V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Seiko Epson |
| Package | SOP-8 |
| Category | Clock/Timing |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Current consumption (input pins L, fCLK = 0 Hz, /IRQ1,2 OFF, TSEL2="1") at VDD = 5 V | IBK | 350 | nA | Ta = -40 °C to +85 °C; input pins "L"; fCLK = 0 Hz; /IRQ1,2 = OFF; TSEL2="1"; VDD = 5 V | 1 | ||
| Current consumption (input pins L, fCLK = 0 Hz, /IRQ1,2 OFF, TSEL2="1") at VDD = 3 V | IBK | 160 | 320 | nA | Ta = -40 °C to +85 °C; input pins "L"; fCLK = 0 Hz; /IRQ1,2 = OFF; TSEL2="1"; VDD = 3 V | 1 | |
| Current consumption (fCLK = 0 Hz, /IRQ1: 32.768 kHz ON, /IRQ2 OFF) at VDD = 5 V | I32k | 0.6 | 1.1 | µA | Ta = -40 °C to +85 °C; fCLK = 0 Hz; /IRQ1: 32.768 kHz ON; /IRQ2: OFF; VDD = 5 V | 1 | |
| Current consumption (fCLK = 0 Hz, /IRQ1: 32.768 kHz ON, /IRQ2 OFF) at VDD = 3 V | I32k | 0.52 | 0.9 | µA | Ta = -40 °C to +85 °C; fCLK = 0 Hz; /IRQ1: 32.768 kHz ON; /IRQ2: OFF; VDD = 3 V | 1 | |
| Frequency tolerance (grade B) | Δf/f | -23 | 23 | × 10−6 | Ta = +25 °C; VDD = 3.0 V | 1 | |
| Oscillation start-up time | tSTA | 1 | s | Ta = +25 °C; VDD = 1.6 V to 5.5 V | 1 | ||
| Oscillation start-up time | tSTA | 3 | s | Ta = -40 °C to +85 °C; VDD = 1.6 V to 5.5 V | 1 | ||
| Power voltage (operating voltage range) | VDD | 1.6 | 3 | 5.5 | V | 1 | |
| Clock voltage (time-keeping voltage range) | VCLK | 1.1 | 3 | 5.5 | V | 1 | |
| Operating temperature | TOPR | -40 | 25 | 85 | °C | 1 |
CAD (KiCad official)
- Symbol:
X1B000242000100 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
x1b000242000100-etched.step/x1b000242000100-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);x1b000242000100.step/x1b000242000100.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Seiko Epson datasheet (2 pp, sha256
3d24b8863b99071e, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).