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Texas Instruments SN74LV4046AD — Clock & Timing ICs

SN74LV4046AD PLL IC, 38 MHz, 3-5.5 V, 16-SOIC

MPNSN74LV4046AD
End of Life

Texas Instruments 74LV series Phase Lock Loop (PLL) IC, SN74LV4046AD, 38 MHz max frequency, 3V to 5.5V supply, 16-SOIC package, tube.

$1.63Ref. price · indicative, final on quote
Packaging16-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Series74LV
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

SN74LV4046AD specifications
ParameterValue
TypePhase Lock Loop (PLL)
Series74LV
MountingSurface Mount
Voltage3V ~ 5.5V
Frequency38MHz
Operating temperature-40°C ~ 125°C
PLLYes
InputCMOS, TTL
OutputCMOS, TTL
PackageTube
Case16-SOIC (0.154\", 3.90mm Width)
Divider (Multiplier)No/No
Number of circuits1
Ratio - Input:Output1:3
Differential - Input:OutputNo/No

Product details

What this PLL does on the board

The SN74LV4046AD is a phase-locked loop IC with an integrated VCO, built on the 74LV low-voltage logic family. It accepts CMOS or TTL inputs and drives CMOS or TTL loads, making it a drop-in for mixed-logic designs that need frequency synthesis, clock recovery, or tone decoding. One PLL circuit, three outputs from a single input — the 1:3 ratio means you can fan out the locked clock to separate sections of the board without extra buffers.

Frequency, supply, and temperature — the fit check

Runs up to 38 MHz, which covers most microcontroller clock trees, serial data recovery (e.g., CAN, SPI), and low-speed FSK demodulation. That means it works in an engine bay, a rooftop telecom enclosure, or a factory floor panel — not just a climate-controlled office. No internal divider or multiplier on the feedback path — the loop gain and external RC components set the VCO range. If you need a clean divide-by-N, you add a counter on the output side.

Supplied in a tube; if your pick-and-place needs tape-and-reel, check the reel option at ordering time.

Frequently asked questions

What is SN74LV4046AD's maximum operating frequency?

The maximum frequency is 38 MHz. This is the VCO's top end; the actual lock range depends on the external RC network you choose.