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System of outline drawing codes for IC packages


NEC system of outline drawing names for IC packages

304-PIN Plastic F BGA (Cavity down type) (19*19)
(1) (2) (3) (4) (5) (6)

(1) Number of terminals (2) Material (3) Package form[1](optional)
(4) Package form[2] (5) Supplemental items(optional) (6) Nominal dimensions


Details of outline drawing names of IC packages
Items Actual notation Possible Values/Descriptions
(1) Number of terminals 2- to 3-digit number ·Number of terminals in a package
(2)Material Plastic ·Package body: mold resin
·Substrate: Organic substrate
Tape ·Substrate: Tape
Ceramic ·Substrate: Ceramic
(3) Package form[1]
(optional)
L ·Low profile
 Package seated height:
 1.20mmL1.70mm
T ·Thin
 Package seated height:
 1.00mmL1.20mm
V ·Very thin
 Package seated height:
 0.80mmL1.00mm
W ·Very-very thin
S ·Shrink
 Reduce basic terminal pitch
F ·Fine pitch
 BGAs with terminal pitch of 0.80mm or less
(4) Package form[2] BGA ·Ball Grid Array
LGA ·Land Grid Array
QFP ·Quad Flat Package
QFN ·Quad Flat Non-leaded Package
SOP ·Small Outline Package
PGA ·Pin Grid Array
DIP ·Dual Inline Package
SIP ·Single Inline Package
ZIP ·Zigzag Inline Package
(5) Supplemental items
(optional)
(Fine pitch) ·QFP fine pitch package
·QFPs with terminal pitch of 0.50mm or less
(Straight) ·QFP terminal flat package
(Cavity down type) ·BGA cavity down type
(Cavity down advanced type) ·BGA cavity down advanced type
(Flip chip type) ·BGA flip chip type
(6)Nominal dimensions   ·Package size(width x length)
Example:10 x 10 mm
BGA, LGA, QFP, QFN
·Mount pad in-line interval
Example: 10.16 mm (=400mil)
SOP, SSOP, TSSOP
·The maximum outside of package width x overall length
Example:6x16
TSOP(1)
·Package width
Example:7.62mm(=300 mil)
TSOP(2)
·Terminal in-line interval
Example:7.62 mm (300 mil)
DIP, SDIP
·Package seated height
Example:8.89mm (350 mil)
ZIP