|   | HD74LS92 | Hitachi Semiconductor |  |  | divide-by-twelve counters | 
    |   | SN74LS92D | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS92D | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS92N | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS92N | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS93D | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS93D | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS93N | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS93N | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS92 | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN54LS92J | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN54LS92J | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS92J | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS92W | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN54LS93J | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS93J | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS93W | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | XRT75R12 | Exar Corporation |  |  | twelve channel E3/ds3/sts-1 line interface unit with jitter attenuator | 
    |   | XRT75R12D | Exar Corporation |  |  | twelve channel E3/ds3/sts-1 line interface unit with sonet desynchronizer | 
    |   | XRT73R12 | Exar Corporation |  |  | twelve channel E3/ds3/sts-1 line interface unit |