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Products > Packages > Outline drawing information >

SOP outline drawing codes


NEC system of SOP outline drawing codes

P 14 GM - 50 - 300 B - 6
(1) (2) (3)   (4)   (5) (6)   (7)

(1) Internal administrative code: Example P (2) Number of terminals: Example 14-PIN (3) Package subcode: Example GM
(Internal administrative symbol)
(4) Terminal pitch: Example 50 (1.27mm) (5) Nominal dimensions: Example 300 (300mil) (6) Internal administrative code
(7) Number of revisions Example: Example 6 (7th version)


Details of SOP outline drawing codes
Items Actual notation Content
(1) Internal administrative code 1-letter code Internal administrative code: P, S, K
(2) Number of terminals 1- to 2-digit number Number of terminals in a package
(3) Package division code 2-letter code  
GM Control code used before fiscal 1986
GT 375mil
GU 450mil
GW 525mil
GX 600mil
(4) Terminal pitch 50 Terminal pitch: 1.27mm (50 mil)
(5) Nominal dimensions 225 5.72mm (225mil)
300 7.62mm (300mil)
375 9.53mm (375mil)
450 11.43mm (450mil)
525 13.34mm (525mil)
600 15.24mm (600mil)
(6) Internal administrative code 1- to 2-character code Internal administrative code such as: A, B, C, A1, A2
(7) Number of revisions 1- to n-digit number
1st version: No description
2nd version onward: 1, 2, 3, ...