74FR2240

74FR2240 Octal Buffer/Line Driver January 1991 Revised August 1999 74FR2240 Octal Buffer/Line Driver with 25Ω Series Resistors in the Outputs General Description The 74FR2240 is an inverting octal buffer and line driver designed to drive capacitive inputs of MOS memory devices, address and clock lines or act as a low undershoot general purpose bus driver. Features s 3-STATE outputs drive bus lines or buffer memory address registers s Outputs sink 12 mA and source 15 mA s 25Ω series resistors in outputs eliminate the need for external resistors s Designed to drive the capacitive inputs of MOS devices Ordering Code: Order Number 74FR2240SC 74FR2240PC Package Number M20B N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Pin Descriptions Pin Names OE1, OE2 I0–I7 O0–O7 Description Output Enable Input (Active-LOW) Inputs Outputs Truth Tables Inputs OE1 L L H Inputs OE2 L L H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance Outputs In L H X (Pins 12, 14, 16, 18) H L Z Outputs In L H X (Pins 3, 5, 7, 9) H L Z © 1999 Fairchild Semiconductor Corporation DS010904 www.fairchildsemi.com 74FR2240 Absolute Maximum Ratings(Note 1) Storage Temperature Ambient Temperature under Bias Junction Temperature under B...