| 
 | 
 
 | 
| S | 
AMCC, AMD, AMI, Intel, IR, MHS, NEC, Philips, Seiko, SGS, Sharp, Signetics, Temic, TI, Toshiba | 
| SA | 
GI, Motorola, Philips, Sames, Samsung, TI | 
| SAA | 
AEG, Amperex, ITT, Motorola, Philips, Siemens, Signetics, ST, Telefunken | 
| SAB | 
AEG, Amperex, ATT, Philips, Siemens, Signetics, ST, Telefunken | 
| SAB-C | 
Siemens | 
| SAF | 
AEG, Amperex, Philips, Siemens, Signetics, ST, Telefunken | 
| SAM | 
Dream | 
| SAR* | 
MURAT | 
| SAV | 
Toshiba | 
| SB | 
GI | 
| SBL | 
GI, Motorola | 
| SBR | 
Motorola | 
| SBS | 
GI | 
| SBX | 
Sony | 
| SC | 
Epson, Intel, Motorola, Philips, Semtech, Sierra, Signetics | 
| SCB | 
AEG, Amperex, ST, Siemens, Signetics, Telefunken | 
| SCC | 
Philips, Signetics | 
| SCD | 
Motorola | 
| SCI | 
Seiko | 
| SCN | 
AEG, Amperex, Philips, Siemens, Signetics, ST, Telefunken | 
| SCP | 
Philips | 
| SCR | 
Motorola | 
| SD* | 
ITT, Motorola | 
| SDA | 
Siemens | 
| SE | 
Intel, NEC, Signetics | 
| SF | 
Toshiba | 
| SFC | 
ESMF, ST/Mostek, TI | 
| SFE | 
MURAT | 
| SFH | 
ISO, QT, Siemens | 
| SFOR | 
Toshiba | 
| SFR | 
Philips | 
| SG | 
GI, IR, Motorola, SGS, SiliconGeneral, SiliconGeneral, TI | 
| SGL | 
GI, RECTR | 
| SGS | 
SGS | 
| SGSF | 
SGS | 
| SGSIF | 
SGS | 
| SGT | 
Harris | 
| SH | 
Cypress, Hitachi | 
| SHM | 
Datel | 
| SI | 
NS, Sanken, Seiko, Siliconix, Temic, TI | 
| SIOVS | 
Siemens | 
| SJE | 
Motorola | 
| SL | 
Plessey, QT | 
| SLD | 
Sony | 
| SLE | 
Siemens | 
| SLH | 
Rohm | 
| SLP | 
GI, Sanyo | 
| SM | 
Diode, NPC, NS, SGS, Siemens | 
| SMBD | 
Siemens | 
| SMBF | 
Motorola | 
| SMBG | 
GI | 
| SMBJ | 
GI | 
| SMBT | 
Motorola, Siemens | 
| SMBYT | 
SGS | 
| SMBZ | 
Motorola | 
| SMC | 
SMC | 
| SMCJ | 
GI, Motorola | 
| SMD | 
MICSE, RAYCH, Siliconix | 
| SMED | 
Siemens | 
| SMJ | 
TI (military) | 
| SMJC | 
GI | 
| SMP | 
AD, PMI, Siliconix, Temic | 
| SMU | 
Siliconix | 
| SN | 
EAG, Hitachi, Motorola, NS, Philips, Signetics, TI | 
| SND | 
Siliconix | 
| SNURL | 
Motorola | 
| SO | 
SGS | 
| SP | 
Harris, Harris, IBM, Plessey, Philips, Signetics, Sipex | 
| SPA | 
Philips | 
| SPC | 
Philips | 
| SPM | 
Altera | 
| SPR | 
GI | 
| SPROC | 
Star | 
| SR* | 
Motorola, TI | 
| SRM | 
Seiko Epson, S-MOS | 
| SS* | 
GI, Samsung, SSI | 
| SSD | 
Samsung | 
| SSH | 
Samsung | 
| SSM | 
AD, Samsung | 
| SSP | 
IR, Samsung, SGS | 
| SSR* | 
Samsung, SGS | 
| SSS | 
PMI, Samsung, Sanyo | 
| SST | 
SST | 
| SSW | 
SAMT | 
| ST | 
Microchip, SGS, Siliconix | 
| STA | 
Sanken, Seiko, SGS | 
| STB | 
SGS | 
| STD | 
SGS | 
| STG | 
SGS | 
| STH | 
IR, SGS | 
| STHV | 
SGS | 
| STI | 
SGS | 
| STJ | 
SGS | 
| STK | 
Samsung, Sanyo, SGS | 
| STLC | 
ST | 
| STP | 
IR, Motorola, Samsung, SGS | 
| STPR | 
SGS | 
| STPS | 
SGS | 
| STR | 
Sanken, Sanyo, Seiko | 
| STRD | 
Seiko | 
| STRS | 
Sanken | 
| STTA | 
SGS | 
| STV | 
SGS | 
| STW | 
SGS | 
| SUP | 
Siliconix, Temic | 
| SUR | 
Motorola | 
| SVC | 
Sanyo | 
| SVM | 
Seiko | 
| SW | 
AD, PMI |