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74ABT240 Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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74ABT240 Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page ![]() © 2005 Fairchild Semiconductor Corporation DS011664 www.fairchildsemi.com March 1994 Revised March 2005 74ABT240 Octal Buffer/Line Driver with 3-STATE Outputs General Description The ABT240 is an inverting 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 s Output sink capability of 64 mA, source capability of 32 mA s Guaranteed latchup protection s High impedance glitch free bus loading during entire power up and power down cycle s Nondestructive hot insertion capability Ordering Code: Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Connection Diagram Pin Descriptions Truth Tables H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance Order Number Package Number Package Description 74ABT240CSC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74ABT240CSJ M20D Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74ABT240CMSA MSA20 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 74ABT240CMTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pin Names Description OE1, OE2 3-STATE Output Enable Inputs I0–I7 Inputs O0–O7 Outputs Inputs Outputs OE1 In (Pins 12, 14, 16, 18) LL H LH L HX Z Inputs Outputs OE2 In (Pins 3, 5, 7, 9) LL H LH L HX Z |