QFP

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QFP

(Quad FlatPack) A square, surface mount chip package that has leads on all four sides and comes in several varieties. PQFP (Plastic QFP) may refer to all of the following QFP types. All quad flatpacks use gull-wing leads, except for the CQFP, which stick straight out. See flatpack, gull-wing lead and chip package.

Plastic
    MQFP   Metric QFP (most popular)
    FQFP   Fine pitch QFP
    BQFP   Bumpered QFP
    LQFP   Low-profile QFP
    TQFP   Thin-profile QFP
    SQFP   Shrink QFP (same as MQFP)

    Ceramic
    CQFP   Ceramic QFP



Quad Flatpack
QFPs come in a variety of sizes and types. Notice the gull-wing leads on both of these chips.

QFP

In Q, or basic telecommunication code, it means, “Will you give me the latest information concerning … facility at [place]?”
References in periodicals archive ?
ICS87993 is available in a 32-pin, 7mm x 7mm x 1.4mm, LQFP package and in volume production now.
The CX28975 is offered in two package options, a 13x13 mm chip-array ball grid array (CABGA) or a 24x24 mm low-profile quad flat pack (LQFP).
The unit integrates a 48-bit programmable carrier numerically controlled oscillator, a high speed 14-hit digital-to-analog converter and a comparator circuit for square-wave generation into a single 48-pin LQFP package, and is suitable for use in point-to-point microwave systems, wireless local loop, LMDS, MMDS, satellite terminals, communications instrumentation, cable modems, NTSC/PAL video systems and last-mile wireless applications.
Tenders are invited for Supply Of Micro Controller Lqfp Package
The AS3695A QFN will cost USB 2.10 per 1000 units, while the AS3695C QFN and AS3695C LQFP will cost USD2.20 and USD2.70 per 1000 units, respectively.
The AD7641 is priced at $32.95 per unit in 1,000-piece quantities and is packaged in a 48-lead LFCSP (lead frame chip scale package) or LQFP (low profile quad flat pack).
The GRF1/LX chip is contained in a 32-pin LQFP package.
There are versatile package options from a 64-pin LQFP up to 176-pin LQFP or UFBGA for projects demanding high I/O count, and 256KB or 512KB of on-chip Flash memory with 256KB RAM.
They are offered in a 7x7mm 48-pin LQFP package or 6x6mm 40-pin QFN package.
The device is offered in an 80-pin LQFP (low quad flat pack) package measuring 14 mm X 14 mm.
The PXAC37 in extended temperature is priced at $9.50 in 1,000 unit quantities and is currently available in volume production in 44-pin LQFP and PLCC packages.
The XR22417 is available in a 64-pin LQFP package as well as a smaller 48-pin LQFP.