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SN74ACT7801-18FN Datasheet(PDF) 1 Page - Texas Instruments |
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SN74ACT7801-18FN Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page SN74ACT7801 1024 × 18 CLOCKED FIRST IN, FIRST OUT MEMORY SCAS111 − D3489, APRIL 1990 − REVISED MAY 1991 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Copyright 1991, Texas Instruments Incorporated 1 • Member of the Texas Instruments Widebus Family • Independent Asynchronous Inputs and Outputs • 1024 Words × 18 Bits • Read and Write Operations Can Be Synchronized to Independent System Clocks • Programmable Almost-Full/Almost-Empty Flag • Input-Ready, Output-Ready, and Half-Full Flags • Cascadable in Word Width and/or Word Depth • Fast Access Times of 15 ns With a 50-pF Load • High-Output Drive for Direct Bus Interface • 3-State Outputs • Available in 68-Pin PLCC (FN) or Space-Saving 80-Pin Shrink Quad Flat Package (PN) 28 29 VCC Q14 Q13 GND Q12 Q11 VCC Q10 Q9 GND Q8 Q7 VCC Q6 Q5 GND Q4 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 30 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 D14 D13 D12 D11 D10 D9 VCC D8 GND D7 D6 D5 D4 D3 D2 D1 D0 31 32 33 34 FN PACKAGE (TOP VIEW) 87 6 5 4 93 168 67 2 35 36 37 38 39 66 65 27 64 63 62 61 40 41 42 43 Widebus is a trademark of Texas Instruments Incorporated. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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