74AC240 Datasheet | Fairchild Semiconductor

Description The AC/ACT240 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 s ICC and IOZ reduced by 50% s Inverting 3-STATE outputs drive bus lines or buffer memory address registers s Outputs source/sink 24 m A s ACT240 has TTL-patible inputs Ordering Code: Order Number 74AC240SC 74AC240SJ 74AC240MTC 74AC240PC 74ACT240SC 74ACT240SJ 74ACT240MTC 74ACT240PC Package Number M20B M20D MTC20 N20A M20B M20D MTC20 N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,4.4mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,4.4mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide .. Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Logic Symbol IEEE/IEC Pin Descriptions Pin Names OE1, OE2 I0- I7 O0- O7 Description 3-STATE Output Enable Inputs Inputs Outputs Truth Tables Inputs OE1 L L In L H X Inputs OE2 L L H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance Outputs (Pins 12, 14, 16, 18) H L Z Outputs In L H X (Pins 3, 5, 7, 9) H L Z Connection Diagram FACT is a trademark of Fairchild Semiconductor Corporation. © 1999 Fairchild Semiconductor Corporation DS009941 .fairchildsemi. - 74ACT240 Absolute Maximum Ratings(Note 1) Supply Voltage (VCC ) DC Input Diode Current (IIK) VI = - 0.5V VI = VCC + 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = - 0.5V VO = VCC + 0.5V DC Output Voltage (VO) DC Output...