|   | AM2503XM | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504 | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504DC | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504DM | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504FM | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504PC | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504XC | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | AM2504XM | ETC |  |  | eight bit / twelve - bit successive approximation registers | 
    |   | SN5493 | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | 74LS90 | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS93N3 | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN74LS92N3 | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN54LS90 | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS90 | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN74LS90 | Texas Instruments |   | 半导体 | decade, divide-BY-twelve and binary counters | 
    |   | SN74LS90D | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN74LS90D | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS90J | Texas Instruments |  |  | decade, divide-BY-twelve and binary counters | 
    |   | SN54LS90J | Motorola, Inc |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter | 
    |   | SN54LS90J | ON Semiconductor |  |  | decade counter; divide-BY-twelve counter; 4-bit binary counter |