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SN74HC594DG4 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74HC594DG4 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 18 page SN54HC594, SN74HC594 8BIT SHIFT REGISTERS WITH OUTPUT REGISTERS SCLS040F − DECEMBER 1982 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D High-Current Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 15 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max 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 SN54HC594 ...J OR W PACKAGE SN74HC594 . . . D, DW, OR N PACKAGE (TOP VIEW) SN54HC594 . . . 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 description/ordering information The ’HC594 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 (RCLR, SRCLR) 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. The parallel (QA−QH) outputs have high-current capability. QH′ is a standard output. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube of 25 SN74HC594N SN74HC594N Tube of 40 SN74HC594D −40 °C to 85°C SOIC − D Reel of 2500 SN74HC594DR HC594 −40 °C to 85°C SOIC − D Reel of 250 SN74HC594DT HC594 SOIC − DW Tube of 40 SN74HC594DW HC594 SOIC − DW Reel of 2000 SN74HC594DWR HC594 CDIP − J Tube of 25 SNJ54HC594J SNJ54HC594J −55 °C to 125°C CFP − W Tube of 150 SNJ54HC594W SNJ54HC594W −55 C to 125 C LCCC − FK Tube of 55 SNJ54HC594FK SNJ54HC594FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, 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. |
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