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74FR2240PC 数据表(PDF) 1 Page - Fairchild Semiconductor |
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74FR2240PC 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 5 page © 1999 Fairchild Semiconductor Corporation DS010904 www.fairchildsemi.com January 1991 Revised August 1999 74FR2240 Octal Buffer/Line Driver with 25 Ω 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 under- shoot 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 25 Ω series resistors in outputs eliminate the need for external resistors s Designed to drive the capacitive inputs of MOS devices Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. 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 74FR2240SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74FR2240PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Pin Names Description OE1, OE2 Output Enable Input (Active-LOW) 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 |
类似零件编号 - 74FR2240PC |
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类似说明 - 74FR2240PC |
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