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MC74AC240 数据表(PDF) 1 Page - ON Semiconductor |
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MC74AC240 数据表(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 2015 February, 2015 − Rev. 9 1 Publication Order Number: MC74AC240/D MC74AC240, MC74ACT240 Octal Buffer/Line Driver with 3-State Outputs The MC74AC240/74ACT240 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. Features • 3−State Outputs Drive Bus Lines or Buffer Memory Address Registers • Outputs Source/Sink 24 mA • ′ACT240 Has TTL Compatible Inputs • These are Pb−Free Devices TRUTH TABLE Inputs Outputs OE1 D (Pins 12, 14, 16, 18) L L H L H L H X Z NOTE: H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance TRUTH TABLE Inputs Outputs OE2 D (Pins 3, 5, 7, 9) L L H L H L H X Z NOTE: H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance 19 20 18 17 16 15 14 2 1 34567 VCC 13 8 12 9 11 10 OE2 OE1 GND Figure 1. Pinout: 20−Lead Packages Conductors (Top View) 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 6 of this data sheet. ORDERING INFORMATION See general marking information in the device marking section on page 7 of this data sheet. DEVICE MARKING INFORMATION |
类似零件编号 - MC74AC240 |
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类似说明 - MC74AC240 |
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