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SN74ACT7881-20FN 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74ACT7881-20FN 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 19 page SN74ACT7881 1024 × 18 CLOCKED FIRST-IN, FIRST-OUT MEMORY SCAS227E – FEBRUARY 1993 – REVISED APRIL 1998 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Member of the Texas Instruments Widebus ™ Family D Independent Asynchronous Inputs and Outputs D Read and Write Operations Can Be Synchronized to Independent System Clocks D Programmable Almost-Full/Almost-Empty Flag D Pin-to-Pin Compatible With SN74ACT7882, SN74ACT7884, and SN74ACT7811 D Input-Ready, Output-Ready, and Half-Full Flags D Expandable in Word Width and/or Word Depth D Fast Access Times of 11 ns With a 50-pF Load D High Output Drive for Direct Bus Interface D Package Options Include 68-Pin Plastic Leaded Chip Carrrier (FN) or 80-Pin Shrink Quad Flat (PN) Package 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 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 87 6 5 4 93 168 67 266 65 64 63 62 61 FN PACKAGE (TOP VIEW) 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Copyright © 1998, 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. Widebus is a trademark of Texas Instruments Incorporated. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. |
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