Key facts
- Model
- LMK01000
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-03
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National LMK01000 Family Clock Buffer, Divider, and Distributor User Manual
The LMK01000 family offers high‑performance clock buffering, division, and distribution for applications such as wireless infrastructure, medical imaging, and test & measurement. The devices are pin‑to‑pin compatible with the LMK03000/LMK02000 families and support dual clock inputs with programmable output channels up to 1.6 GHz.
The manual includes functional block diagrams, pin descriptions, absolute maximum ratings, recommended operating conditions, and detailed electrical characteristics. It also covers LVDS and LVPECL output options, MICROWIRE programming interfaces, and typical performance graphs for jitter, noise floor, and delay.
National Semiconductor LMK01000 specifications
| Additive jitter | 30 fs (100 Hz to 20 MHz) |
|---|---|
| Power supply voltage (Vcc) | 3.15 V – 3.45 V |
| Package | 48‑pin LLP (7.0 × 7.0 × 0.8 mm) |
| Operating temperature (recommended) | -40 °C to 85 °C |
| Maximum clock input frequency | 1.6 GHz |
| Maximum divider value | 510 (even divides) |
Source: National Semiconductor LMK01000/LMK01010/LMK01020 High‑Performance Clock Buffer Divider Manual
All National Semiconductor LMK01000 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum divider value supported by the LMK01000 family?
The divider can be programmed from 1 up to 510, using only even divide values.
From: National Semiconductor LMK01000/LMK01010/LMK01020 High‑Performance Clock Buffer Divider Manual
What supply voltage range is recommended for operation?
The recommended VCC range is 3.15 V to 3.45 V, with a typical value of 3.3 V.
From: National Semiconductor LMK01000/LMK01010/LMK01020 High‑Performance Clock Buffer Divider Manual
What is the maximum clock frequency supported by the LMK01000 family?
The devices support clock input frequencies up to 1.6 GHz.
From: National LMK01000 Family Clock Buffer, Divider, and Distributor User Manual
What is the recommended power supply voltage for the LMK01000 family?
The recommended supply voltage is 3.15 V typical, with a range of 3.15 V to 3.45 V.
From: National LMK01000 Family Clock Buffer, Divider, and Distributor User Manual