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MC74AC540 bảng dữ liệu(PDF) 1 Page - ON Semiconductor |
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1 / 10 page © Semiconductor Components Industries, LLC, 2015 March, 2015 − Rev. 9 1 Publication Order Number: MC74AC540/D MC74AC540, MC74ACT540, MC74AC541, MC74ACT541 Octal Buffer/Line Driver with 3-State Outputs The MC74AC540/74ACT540 and MC74AC541/74ACT541 are octal buffer/line drivers designed to be employed as memory and address drivers, clock drivers and bus oriented transmitter/receivers. The MC74AC541/74ACT541 is a noninverting option of the MC74AC540/74ACT540. These devices are similar in function to the MC74AC240/74ACT240 and MC74AC244/74ACT244 while providing flow−through architecture (inputs on opposite side from outputs). This pinout arrangement makes these devices especially useful as output ports for microprocessors, allowing ease of layout and greater PC board density. Features • 3−State Outputs • Inputs and Outputs Opposite Side of Package, Allowing Easier Interface to Microprocessors • Outputs Source/Sink 24 mA • MC74AC540/74ACT540 Provides Inverted Outputs • MC74AC541/74ACT541 Provides Noninverted Outputs • ′ACT540 and ′ACT541 Have TTL Compatible Inputs • These are Pb−Free Devices TRUTH TABLE Inputs Outputs OE1 OE2 D ′540 ′541 L H X L L X H L H X X L L Z Z H H Z Z L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance See general marking information in the device marking section on page 8 of this data sheet. DEVICE MARKING INFORMATION www.onsemi.com SOIC−20W DW SUFFIX CASE 751D TSSOP−20 DT SUFFIX CASE 948E 1 1 See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet. ORDERING INFORMATION |
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