CQFP Ceramic Quad Flat Pack
CQFPs are hermetic packages consisting of true pieces of dry pressed ceramic surrounding a uniformed leadframe with tie bar attached. Lead counts for this package range from 14 to 304, with lead pitch ranging
Part Description
52CQFP-19.0mm-1.27mm 68CQFP-24.1mm-1.27mm 84CQFP-16.5mm-.65mm 100CQFP-19.0mm-.65mm 132CQFP-24.1mm-.65mm 144CQFP-26.6mm-.65mm 172CQFP-29.2mm-.65mm 196CQFP-32.0mm-.50mm
Notes
CQFPs are available with or without combo lid. Pins are flat (sandwiched) with tie bar. Parts are packaged in non-JEDEC trays.
Due to the custom nature of the package, body size and dimensions can change without notice.
Parts available with a daisy-chain configuration upon request. Other ceramic packages available upon request. Glass or epoxy seal. Footprint compatible with plastic QFP packages. EIAJ and JEDEC standards.
Lead-frames are embedded into the glass to create both internal die connection and external PCB connection.
LCC Leadless Ceramic Carrier
This surface mount package consists of a ceramic base that has metalized castellations/pads on the sides and bottom of the package. LCC packages have pads on all four sides of the package. Lids for LCCs can be either
Part Description
16LCC-1.27mm-7.36x8.96mm 20LCC-1.27mm-8.90mm 28LCC-1.27mm-11.5mm
32LCC-1.27mm-11.4x14.0mm 40LCC-1.00mm-10.1mm 44LCC-1.27mm-16.5mm 48LCC-1.00mm-14.2mm 52LCC-1.27mm-19.0mm 68LCC-1.27mm-24.11mm 84LCC-1.27mm-29.2mm
Notes
LCCs are available with or without combo lid. Gold castellations are standard, but can be solder-tinned with 100% Sn or SnPb alloy.
Parts are packaged in non-JEDEC trays. Parts available with a daisy-chain configuration upon request.
Other types of ceramic packages not listed in catalog are available upon request.
Number of Castellations
16 20 28 32 40 44 48 52 68 84
(Inch)
.350" x .285" .350" sq .450" sq
.550" x .450" .400" sq .650" sq .560" sq .750" sq .950" sq 1.150" sq
metal or ceramic. Lids are attached after die attach. This allows for a hermetically sealed environment for the die.
LCC Leadless Ceramic Carrier Body Size
(mm)
7.36 x 8.96mm 8.90mm sq 11.50mm sq
11.40 x 14.00mm 10.10mm sq 16.50mm sq 14.20mm sq 19.00mm sq 24.11mm sq 29.20mm sq
Part Description System
Number of Castellations
Ceramic Carrier Leadless
20LCC–1.27mm–8.90mm Pitch
Body Size Pitch
1.27mm 1.27mm 1.27mm 1.27mm 1.00mm 1.27mm 1.00mm 1.27mm 1.27mm 1.27mm
Number of Pins
52 68 84
100 132 144 172 196
(Inch)
.750" sq .950" sq .650" sq .750" sq .950" sq 1.050" sq 1.150" sq 1.260" sq
from 15.7mil to 50mils. Package leads are gold or Kovar finish and can be solder-coated by special request. Lids are optional for CQFPs, which are sealed over the package cavity at temperatures from 400° to 460° C.
CQFP Ceramic Quad Flat Pack Body Size
(mm)
19.0mm sq 24.1mm sq 16.5mm sq 19.0mm sq 24.1mm sq 26.6mm sq 29.2mm sq 32.0mm sq
Part Description System I/O Count
Ceramic Quad Flat Pack
Pitch
1.27mm 1.27mm .65mm .65mm .65mm .65mm .65mm .50mm
52CQFP–19.0mm–1.27mm Body Size
Lead Pitch
For recommended kit see page 87. Practical Components, Inc. Tel: 1-714-252-0010 Fax: 1-714-252-0026 57
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