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HC594 Datasheet(PDF) 7 Page - Texas Instruments |
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HC594 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 9 page SN54HC594, SN74HC594 8-BIT SHIFT REGISTERS WITH OUTPUT REGISTERS SCLS040C – DECEMBER 1982 – REVISED FEBRUARY 1998 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HC594 SN74HC594 UNIT PARAMETER (INPUT) (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 5 8 3.3 4 fmax 4.5 V 25 35 17 20 MHz 6 V 29 40 20 24 2 V 50 150 225 185 SRCLK QH ′ 4.5 V 20 30 45 37 t d 6 V 15 25 38 31 ns tpd 2 V 50 150 225 185 ns RCLK QA–QH 4.5 V 20 30 45 37 6 V 15 25 38 31 2 V 50 150 225 185 SRCLR QH ′ 4.5 V 20 30 45 37 tPHL 6 V 15 25 38 31 ns tPHL 2 V 50 125 185 155 ns RCLR QA–QH 4.5 V 20 25 37 31 6 V 15 21 31 26 2 V 38 75 110 95 QH ′ 4.5 V 8 15 22 19 tt 6 V 6 13 19 16 ns tt 2 V 38 60 90 75 ns QA–QH 4.5 V 8 12 18 15 6 V 6 10 15 13 switching characteristics over recommended operating free-air temperature range, CL = 150 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HC594 SN74HC594 UNIT PARAMETER (INPUT) (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 90 200 300 250 tpd RCLK QA–QH 4.5 V 23 40 60 50 ns 6 V 19 34 51 43 2 V 90 200 300 250 tPHL RCLR QA–QH 4.5 V 23 40 60 50 ns 6 V 19 34 51 43 2 V 45 210 315 265 tt QA–QH 4.5 V 17 42 63 53 ns 6 V 13 36 53 45 operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load 395 pF PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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