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SN74AHCT273N 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74AHCT273N 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 19 page SN54AHCT273, SN74AHCT273 OCTAL D-TYPE FLIP-FLOPS WITH CLEAR SCLS375E – JUNE 1997 – REVISED APRIL 2002 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D Contain Eight Flip-Flops With Single-Rail Outputs D Direct Clear Input D Individual Data Input to Each Flip-Flop D Applications Include: – Buffer/Storage Registers – Shift Registers – Pattern Generators D Latch-Up Performance Exceeds 250 mA Per JESD 17 D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) description These devices are positive-edge-triggered D-type flip-flops with a direct clear (CLR) input. Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74AHCT273N SN74AHCT273N SOIC DW Tube SN74AHCT273DW AHCT273 SOIC – DW Tape and reel SN74AHCT273DWR AHCT273 –40 °C to 85°C SOP – NS Tape and reel SN74AHCT273NSR AHCT273 SSOP – DB Tape and reel SN74AHCT273DBR HB273 TSSOP – PW Tape and reel SN74AHCT273PWR HB273 TVSOP – DGV Tape and reel SN74AHCT273DGVR HB273 CDIP – J Tube SNJ54AHCT273J SNJ54AHCT273J –55 °C to 125°C CFP – W Tube SNJ54AHCT273W SNJ54AHCT273W LCCC – FK Tube SNJ54AHCT273FK SNJ54AHCT273FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2002, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information 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. 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. SN54AHCT273 ...J OR W PACKAGE SN74AHCT273 . . . DB, DGV, DW, N, NS, OR PW PACKAGE (TOP VIEW) SN54AHCT273 . . . FK PACKAGE (TOP VIEW) 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 2D 2Q 3Q 3D 4D 8D 7D 7Q 6Q 6D 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CLR 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK |
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