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SN74HC594DWRE4 Folha de dados(PDF) 7 Page - Texas Instruments |
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SN74HC594DWRE4 Folha de dados(HTML) 7 Page - Texas Instruments |
7 / 26 page SN54HC594, SN74HC594 www.ti.com SCLS040G – DECEMBER 1982 – REVISED MARCH 2015 6.8 Timing Requirements over recommended operating free-air temperature range (unless otherwise noted) SN54HC594(1) SN74HC594 SN74HC594 TA = 25°C –55°C to 125°C –40°C to 85°C –40°C to 125°C VCC UNIT MIN MAX MIN MAX MIN MAX MIN MAX 2 V 5 3.3 4 4 fclock Clock frequency 4.5 V 25 17 20 20 MHz 6 V 29 20 24 24 2 V 100 150 125 130 SRCLK or RCLK high or low 4.5 V 20 30 25 27 6 V 17 25 21 23 Pulse tw ns duration 2 V 100 150 125 130 SRCLR or RCLR low 4.5 V 20 30 25 27 6 V 17 25 21 23 2 V 90 135 110 115 SER before SRCLK ↑ 4.5 V 18 27 22 24 6 V 15 23 19 21 ns 2 V 90 135 110 115 SRCLK ↑ before RCLK↑(2) 4.5 V 18 27 22 24 6 V 15 23 19 21 2 V 50 75 63 68 Setup time tsu SRCLR low before RCLK ↑ 4.5 V 10 15 13 15 before CLK ↑ 6 V 9 13 11 13 2 V 20 20 20 20 SRCLR high (inactive) before 4.5 V 10 10 10 10 ns SRCLK ↑ 6 V 10 10 10 10 2 V 5 5 5 5 RCLR high (inactive) before 4.5 V 5 5 5 5 SRCLK ↑ 6 V 5 5 5 5 2 V 5 5 5 5 th Hold time, SER after SRCLK ↑ 4.5 V 5 5 5 5 ns 6 V 5 5 5 5 (1) Product Preview (2) This setup time ensures that the output register receives stable data from the shift-register outputs. The clocks may be tied together, in which case the output register is one clock pulse behind the shift register. 6.9 Operating Characteristics TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load 395 pF Copyright © 1982–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 SN74HC594 |
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Descrição semelhante - SN74HC594DWRE4 |
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