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Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

FemtoClock Crystal-to-LVCMOS/LVTTL Frequency Synthesizer

Package Information

CAD Model:View CAD Model
Pkg. Type:VFQFPN
Pkg. Code:NLG16
Lead Count (#):16
Pkg. Dimensions (mm):3.0 x 3.0 x 1.0
Pitch (mm):0.5

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
ECCN (US)EAR99
HTS (US)8542.39.0090

Product Attributes

Lead Count (#)16
Carrier TypeTray
Moisture Sensitivity Level (MSL)3
Qty. per Reel (#)0
Qty. per Carrier (#)624
Pb (Lead) FreeYes
Pb Free Categorye3 Sn
Temp. Range (°C)-40 to 85°C
Advanced FeaturesReference Output
Core Voltage (V)2.5V, 3.3V
Feedback InputNo
Input Freq (MHz)15.3125 - 42.67
Input TypeCrystal
Inputs (#)1
Length (mm)3
MOQ100
Output Banks (#)2
Output Freq Range (MHz)81.67 - 213.33
Output TypeLVCMOS
Output Voltage (V)2.5V, 3.3V
Outputs (#)2
Package Area (mm²)9
Phase Jitter Typ RMS (ps)0.38
Pitch (mm)0.5
Pkg. Dimensions (mm)3.0 x 3.0 x 1.0
Pkg. TypeVFQFPN
Product CategoryFemtoClock, Low Jitter Clocks (<700 fs RMS)
Prog. ClockNo
Reference OutputYes
Requires Terms and ConditionsDoes not require acceptance of Terms and Conditions
Spread SpectrumNo
Tape & ReelNo
Thickness (mm)1
Width (mm)3

Description

The 840001I-34 is a two-output LVCMOS/LVTTL synthesizer. One output is the LVCMOS/LVTTL main synthesized clock output (Q) and one output is a three-state LVCMOS/LVTTL reference clock (REF_OUT) output at the frequency of the crystal oscillator. The device can accept crystals from 15.3125MHz to 42.67MHz and can synthesize outputs from 81.67MHz to 213.33MHz. The 840001I-34 is packaged in a 3mm x 3mm 16-pin VFQFN, making it ideal for use on space-constrained boards.