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| 74122 | 01295 | TEXAS INSTRUMENTS INCORPORATED |
| BL2188792 | D0894 | ROHDE & SCHWARZ GMBH & CO. KOMMANDITGESELLSCHAFT |
| 41351-274-0 | K4547 | SIEMENS AIR TRAFFIC MANAGEMENT |
| 445/4/98060/162 | U4290 | G E C MARCONI S3I LTD COMBAT SYSTEMS IVISION |
| SN74122N | 01295 | TEXAS INSTRUMENTS INCORPORATED |
| SN74122N-00 | 01295 | TEXAS INSTRUMENTS INCORPORATED |
| ITT74122AN | 14433 | ITT SEMICONDUCTORS DIV |
| N74122A | 18324 | PHILIPS SEMICONDUCTORS INC |
| DM74122N | 27014 | NATIONAL SEMICONDUCTOR CORPORATION |
| SN74122NA | C7191 | ADELCO ELEKTRONIK GMBH |
| SN74122 N | K0461 | RAYTHEON SYSTEMS LTD WEAPONS SUPPORT GROUP |
| CAT11944 | U2089 | NICE CTI SYSTEMS UK LTD |