AA 999999 B - CC
AA is Prefix:
BL - Beam
Lead
RSN - Radiation Hardened
SN - Standard
SNR - High Reliability without group
B & C
SNT - High Reliability with
group B & C
SNX - Experimental Circuit
999999 is part number (3 to 6
characters, alpha & numeric)
Examples: 7400, 54H01, 74LS05
B is the Package type:
F - Flat package, metal, 1/2 inch
tip-to-tip, die is electrically insulted from case
H - Flat package, ceramic, 3/4
inch tip-to-tip, die is electrically insulted from case
J - DIP, ceramic
L - Plug-in package (TO-5
transistor style), metal
N - DIP, plastic
R - Flat package, metal, 3/4 inch
tip-to-tip, die is electrically insulted from case
S - Flat package, metal, 1/2 inch
tip-to-tip, die is electrically connected to the case
T - Flat package, metal,
3/4 inch tip-to-tip, die is electrically connected to the case
CC is the processing instructions:
Ranges from 00-17, indicates
processing options for lead forming, insulation, shipping carrier, and
solder-dipped leads
These number should be located by themselves with no letters or other numbers
immediately adjacent. The numbers are often found on the underside with the
country of manufacture.
WW - Week of manufacture. Ranges from 01 to 52.
YY - Year of manufacture. Ranges from 59 to 99.
