74ABT244 Octal Buffer/Line Driver with 3-STATE Outputs December 2007 74ABT244 Octal Buffer/Line Driver with 3-STATE Outputs Features General Description Non-inverting buffers The ABT244 is an octal buffer and line driver with 3-STATE outputs designed to be employed as a memory Output sink capability of 64mA, source capability of and address driver, clock driver, or bus-oriented trans- 32mA mitter/receiver. Guaranteed output skew Guaranteed multiple output switching specifications Output switching specified for both 50pF and 250pF loads Guaranteed simultaneous switching, noise level and dynamic threshold performance Guaranteed latchup protection High-impedance, glitch-free bus loading during entire power up and power down cycle Nondestructive, hot-insertion capability Disable time less than enable time to avoid bus contention Ordering Information Package Order Number Number Package Description 74ABT244CSC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74ABT244CSJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74ABT244CMSA MSA20 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 74ABT244CMTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Device also available in Tape and Reel. Specify by appending suffix letter X to the ordering number. All packages are lead free per JEDEC: J-STD-020B standard. 1992 Fairchild Semiconductor Corporation www.fairchildsemi.com 74ABT244 Rev. 1.5.074ABT244 Octal Buffer/Line Driver with 3-STATE Outputs Connection Diagram Pin Descriptions Pin Names Description OE , OE Output Enable Input (Active LOW) 1 2 I Inputs I 0 7 O O Outputs 0 7 Truth Table OE I O OE I O 1 03 03 2 47 47 HX Z H X Z LH HLH H LLLLLL H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance 1992 Fairchild Semiconductor Corporation www.fairchildsemi.com 74ABT244 Rev. 1.5.0 2