• Device Families


    Device Families:

    TTL (74xx) True TTL
    74L Low power
    74S Schottky
    74H High speed
    74LS Low power - Schottky
    74AS Advanced - Schottky
    74ALS Advanced - Low power - Schottky
    74F(AST) Fast - (Advanced - Schottky)
    74C CMOS...................check Vcc levels
    74HC (U) High speed - CMOS (Unbuffered output)
    74HCT High speed - CMOS - TTL inputs
    74AHC Advanced - High speed - CMOS
    74AHCT Advanced - High speed - CMOS - TTL inputs
    74FCT (-A) Fast - CMOS - TTL inputs (speed variations)
    74FCT (-T, -AT) Fast - CMOS - TTL inputs (speed variations)
    74AC Advanced - CMOS
    74ACT Advanced - CMOS - TTL inputs
    74FACT AC, ACT (Q) series
    74ACQ Advanced - CMOS - Quiet outputs
    74ACTQ Advanced - CMOS - TTL inputs - Quiet outputs

    Bus Driver Families

    74ABT Advanced - BiCMOS - Technology
    74ABTE ABT - Enhanced Transceiver Logic
    74ABTH Advanced - BiCMOS - Technology - bus Hold
    74BCT BiCMOS - TTL inputs
    74BTL Backplane - Transceiver - Logic
    74GTL Gunning - Transceiver - Logic
    74GTLP GTL (Motorola)

    Low Voltage Families

    74ALB Advanced - Low Voltage - BiCMOS
    74LV (U) Low - Voltage (Unbuffered output)
    74LVC (R) (U) LV - CMOS (damping Resistor)(Unbuffered output)
    74LVCH Low - Voltage - CMOS - bus Hold
    74ALVC Advanced - Low - Voltage - CMOS
    74LVT (R) (U) LV - TTL (damping Resistor(Unbuffered output)
    74LVTZ Low - Voltage - TTL - High Impedance power-up
    74ALVC (R) ALV - CMOS (bus Hold) (damping Resistor)
    74ALVCH Advanced - Low - Voltage - CMOS - bus Hold
    74LCX LV - CMOS (operates with 3v & 5v supplies)
    74VCX LV - CMOS (operates with 1.8v & 3.6v supplies

    4000 True CMOS (non-TTL levels)

    ECL Device Families:

    MEC I 8nS*
    MEC II 2nS*
    MEC III (16XX) 1nS* .......* = Rise & Fall Times
    101xx 100 series 10K ECL, 3.5nS*
    102xx 200 series 10K ECL, 2.5nS*
    108xx 800 series 10K ECL, voltage compensated, 3.5nS*
    10Hxxx 10K - High speed, voltage compensated, 1.8nS*
    10Exxx 10K - ECLinPS, voltage compensated, 800pS*
    100xxx 100K, temperature compensated
    100Hxxx 100K - High speed, temperature compensated
    100Exxx 100K - ECLinPS, temp, voltage compensated, 800pS*


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  • 原文地址:https://www.cnblogs.com/shangdawei/p/2369071.html
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