• 參數(shù)資料
    型號： MC74LCX540SD
    廠商： MOTOROLA INC
    元件分類： 通用總線功能
    英文描述： LOW-VOLTAGE CMOS OCTAL BUFFER
    中文描述： LVC/LCX/Z SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
    封裝： PLASTIC, SSOP-20
    文件頁數(shù)： 7/8頁
    文件大?。?/td> 155K
    代理商： MC74LCX540SD
    MC74LCX540
    LCX DATA
    BR1339 — REV 3
    7
    MOTOROLA
    OUTLINE DIMENSIONS
    SD SUFFIX
    PLASTIC SSOP PACKAGE
    CASE 940C–03
    ISSUE B
    DT SUFFIX
    PLASTIC TSSOP PACKAGE
    CASE 948E–02
    ISSUE A
    DIM
    A
    B
    C
    D
    F
    G
    H
    J
    J1
    K
    K1
    L
    M
    MIN
    6.40
    MAX
    6.60
    4.50
    1.20
    0.15
    0.75
    MIN
    0.252
    MAX
    0.260
    0.177
    0.047
    0.006
    0.030
    INCHES
    MILLIMETERS
    4.30
    –––
    0.169
    –––
    0.05
    0.50
    0.65 BSC
    0.27
    0.09
    0.09
    0.19
    0.19
    6.40 BSC
    0
    0.002
    0.020
    0.026 BSC
    0.011
    0.004
    0.004
    0.007
    0.007
    0.252 BSC
    0
    0.37
    0.20
    0.16
    0.30
    0.25
    0.015
    0.008
    0.006
    0.012
    0.010
    8
    8
    NOTES:
    6 DIMENSIONING AND TOLERANCING PER ANSI
    Y14.5M, 1982.
    7 CONTROLLING DIMENSION: MILLIMETER.
    8 DIMENSION A DOES NOT INCLUDE MOLD FLASH,
    PROTRUSIONS OR GATE BURRS. MOLD FLASH
    OR GATE BURRS SHALL NOT EXCEED 0.15
    (0.006) PER SIDE.
    9 DIMENSION B DOES NOT INCLUDE INTERLEAD
    FLASH OR PROTRUSION. INTERLEAD FLASH OR
    PROTRUSION SHALL NOT EXCEED 0.25 (0.010)
    PER SIDE.
    10 DIMENSION K DOES NOT INCLUDE DAMBAR
    PROTRUSION. ALLOWABLE DAMBAR
    PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
    EXCESS OF THE K DIMENSION AT MAXIMUM
    MATERIAL CONDITION.
    11 TERMINAL NUMBERS ARE SHOWN FOR
    REFERENCE ONLY.
    12 DIMENSION A AND B ARE TO BE DETERMINED
    AT DATUM PLANE –W–.
    íííí
    íííí
    íííí
    1
    10
    11
    20
    PIN 1
    IDENT
    A
    B
    –T–
    0.100 (0.004)
    C
    D
    G
    H
    SECTION N–N
    K
    K1
    J J1
    N
    N
    M
    F
    –W–
    SEATING
    –V–
    –U–
    S
    U
    M
    0.10 (0.004)
    V
    S
    T
    20X REF
    L
    L/2
    2X
    S
    U
    0.15 (0.006) T
    DETAIL E
    0.25 (0.010)
    DETAIL E
    S
    U
    0.15 (0.006) T
    20
    11
    10
    1
    H
    A
    B
    F
    M
    0.12 (0.005)
    20X REF
    S
    U
    M
    V
    S
    T
    L
    L/2
    PIN 1
    S
    U
    M
    0.20 (0.008)
    T
    –V–
    –U–
    D
    C
    0.076 (0.003)
    G
    –T–
    SEATING
    DETAIL E
    N
    N
    0.25 (0.010)
    K1
    ééé
    ééé
    K
    J
    J1
    SECTION N–N
    DIM
    A
    B
    C
    D
    F
    G
    H
    J
    J1
    K
    K1
    L
    M
    MIN
    7.07
    5.20
    1.73
    0.05
    0.63
    0.65 BSC
    0.59
    0.09
    0.09
    0.25
    0.25
    7.65
    0
    MAX
    7.33
    5.38
    1.99
    0.21
    0.95
    MIN
    0.278
    0.205
    0.068
    0.002
    0.024
    0.026 BSC
    0.023
    0.003
    0.003
    0.010
    0.010
    0.301
    0
    MAX
    0.288
    0.212
    0.078
    0.008
    0.037
    INCHES
    MILLIMETERS
    0.75
    0.20
    0.16
    0.38
    0.33
    7.90
    8
    0.030
    0.008
    0.006
    0.015
    0.013
    0.311
    NOTES:
    13 DIMENSIONING AND TOLERANCING PER ANSI
    Y14.5M, 1982.
    14 CONTROLLING DIMENSION: MILLIMETER.
    15 DIMENSION A DOES NOT INCLUDE MOLD FLASH,
    PROTRUSIONS OR GATE BURRS. MOLD FLASH
    OR GATE BURRS SHALL NOT EXCEED 0.15
    (0.006) PER SIDE.
    16 DIMENSION B DOES NOT INCLUDE INTERLEAD
    FLASH OR PROTRUSION. INTERLEAD FLASH OR
    PROTRUSION SHALL NOT EXCEED 0.15 (0.006)
    PER SIDE.
    17 DIMENSION K DOES NOT INCLUDE DAMBAR
    PROTRUSION/INTRUSION. ALLOWABLE DAMBAR
    PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN
    EXCESS OF K DIMENSION AT MAXIMUM
    MATERIAL CONDITION. DAMBAR INTRUSION
    SHALL NOT REDUCE DIMENSION K BY MORE
    THAN 0.07 (0.002) AT LEAST MATERIAL
    CONDITION.
    18 TERMINAL NUMBERS ARE SHOWN FOR
    REFERENCE ONLY.
    19 DIMENSION A AND B ARE TO BE DETERMINED
    AT DATUM PLANE –W–.
    8
    DETAIL E
    –W–
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