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SN74AHCT594D Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AHCT594D Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page SN54AHCT594, SN74AHCT594 8BIT SHIFT REGISTERS WITH OUTPUT REGISTERS SCLS417H − JUNE 1998 − REVISED SEPTEMBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D 8-Bit Serial-In, Parallel-Out Shift Registers With Storage D Independent Direct Overriding Clears on Shift and Storage Registers D Independent Clocks for Both Shift and Storage Registers D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II 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/ordering information The ’AHCT594 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Separate clocks and direct overriding clear (SRCLR, RCLR) inputs are provided on both the shift and storage registers. A serial (QH′) output is provided for cascading purposes. Both the shift register (SRCLK) and storage register (RCLK) clocks are positive edge triggered. If both clocks are connected together, the shift register always is one count pulse ahead of the storage register. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube SN74AHCT594N SN74AHCT594N SOIC − D Tube SN74AHCT594D AHCT594 SOIC − D Tape and reel SN74AHCT594DR AHCT594 −40 °C to 85°C SOP − NS Tape and reel SN74AHCT594NSR AHCT594 −40 C to 85 C SSOP − DB Tape and reel SN74AHCT594DBR HB594 TSSOP − PW Tube SN74AHCT594PW HB594 TSSOP − PW Tape and reel SN74AHCT594PWR HB594 CDIP − J Tube SNJ54AHCT594J SNJ54AHCT594J −55 °C to 125°C CFP − W Tube SNJ54AHCT594W SNJ54AHCT594W −55 C to 125 C LCCC − FK Tube SNJ54AHCT594FK SNJ54AHCT594FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. Copyright 2003, 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. SN54AHCT594 ...J OR W PACKAGE SN74AHCT594 . . . D, DB, N, NS, OR PW PACKAGE (TOP VIEW) SN54AHCT594 . . . FK PACKAGE (TOP VIEW) NC − No internal connection 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 QB QC QD QE QF QG QH GND VCC QA SER RCLR RCLK SRCLK SRCLR QH′ 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 SER RCLR NC RCLK SRCLK QD QE NC QF QG |
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