规格：逻辑芯片标号 74540,
TEXAS INSTRUMENTS
缓冲器/线路驱动器, 74LS540, 4.75V至5.25V, SOIC-20
(EN)
TEXAS INSTRUMENTS
逻辑芯片, 缓冲器/驱动器, 三态, 八路, 20TSSOP
TEXAS INSTRUMENTS
缓冲器/驱动器, 74LVC540, 1.65V至3.6V, TSSOP-20
(EN)ON SEMICONDUCTOR
Buffer / Line Driver, Inverting, 4.5 V to 5.5 V, TSSOP-20
(EN)ON SEMICONDUCTOR/FAIRCHILD
Buffer / Line Driver, 3-State, Inverting, 2 V to 6 V, WSOIC-20
(EN)
NEXPERIA
Buffer / Line Driver, Inverting, 3-State, 8 Gate, 1 Input, 4.5V to 5.5V, DIP-20
(EN)ON SEMICONDUCTOR
Buffer / Line Driver, Inverting, 4.5 V to 5.5 V, TSSOP-20
(EN)
ON SEMICONDUCTOR
Buffer / Line Driver, Inverting, 4.5 V to 5.5 V, WSOIC-20
(EN)
ON SEMICONDUCTOR/FAIRCHILD
芯片, 反相缓冲器, SOIC-20
(EN)
TEXAS INSTRUMENTS
Buffer / Line Driver, Non-Inverting, Line / Memory Driver, 3-State, 4.5V to 5.5V, SOIC-28
(EN)TEXAS INSTRUMENTS
缓冲器/驱动器, 74AHC540, 2V至5.5V, SOIC-20
(EN)TEXAS INSTRUMENTS
缓冲器/驱动器, 74AHC540, 2V至5.5V, DIP-20
