器件名称:
MC74AC244DWR2
功能描述:
Octal Buffer/Line Driver with 3State Outputs
文件大小:
117.74KB 共9页
简 介:
MC74AC244, MC74ACT244 Octal Buffer/Line Driver with 3State Outputs The MC74AC244/74ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/receiver which provides improved PC board density. Features http://onsemi.com 3State Outputs Drive Bus Lines or Buffer Memory Address Registers Outputs Source/Sink 24 mA ′ACT244 Has TTL Compatible Inputs PbFree Packages are Available* VCC 20 OE2 19 18 17 16 15 14 13 12 11 1 PDIP20 N SUFFIX CASE 738 1 SOIC20W DW SUFFIX CASE 751D 1 OE1 2 3 4 5 6 7 8 9 10 GND 1 TSSOP20 DT SUFFIX CASE 948E Pinout: 20Lead Packages Conductors (Top View) TRUTH TABLE Inputs OE1 L L H NOTE: D L H X Outputs (Pins 12, 14, 16, 18) L H Z 1 SOEIAJ20 M SUFFIX CASE 967 ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance DEVICE MARKING INFORMATION TRUTH TABLE Inputs OE2 L L H NOTE: D L H X Outputs (Pins 3, 5, 7, 9) L H Z See general marking information in the device marking section on page 6 of this data sheet. H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance *For additional information on our PbFree strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Semiconductor Components Industries, LLC, 2006 1 Sep……
