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SN74AHC595 Scheda tecnica(PDF) 8 Page - Texas Instruments |
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SN74AHC595 Scheda tecnica(HTML) 8 Page - Texas Instruments |
8 / 17 page SN54AHC595, SN74AHC595 8BIT SHIFT REGISTERS WITH 3STATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C SN54AHC595 SN74AHC595 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX MIN MAX UNIT fmax CL = 15 pF 135* 170* 115* 115 MHz fmax CL = 50 pF 95 140 85 85 MHz tPLH RCLK QA−QH CL = 15 pF 4.3* 7.4* 1* 8.5* 1 8.5 ns tPHL RCLK QA−QH CL = 15 pF 4.3* 7.4* 1* 8.5* 1 8.5 ns tPLH SRCLK QH CL = 15 pF 4.5* 8.2* 1* 9.4* 1 9.4 ns tPHL SRCLK QH′ CL = 15 pF 4.5* 8.2* 1* 9.4* 1 9.4 ns tPHL SRCLR QH′ CL = 15 pF 4.5* 8* 1* 9.1* 1 9.1 ns tPZH OE QA−QH CL = 15 pF 4.3* 8.6* 1* 10* 1 10 ns tPZL OE QA−QH CL = 15 pF 5.4* 8.6* 1* 10* 1 10 ns tPLH RCLK QA−QH CL = 50 pF 5.6 9.4 1 10.5 1 10.5 ns tPHL RCLK QA−QH CL = 50 pF 5.6 9.4 1 10.5 1 10.5 ns tPLH SRCLK QH CL = 50 pF 6.4 10.2 1 11.4 1 11.4 ns tPHL SRCLK QH′ CL = 50 pF 6.4 10.2 1 11.4 1 11.4 ns tPHL SRCLR QH′ CL = 50 pF 6.4 10 1 11.1 1 11.1 ns tPZH OE QA−QH CL = 50 pF 5.7 10.6 1 12 1 12 ns tPZL OE QA−QH CL = 50 pF 6.8 10.6 1 12 1 12 ns tPHZ OE QA−QH CL = 50 pF 3.5 10.3 1 11 1 11 ns tPLZ OE QA−QH CL = 50 pF 3.4 10.3 1 11 1 11 ns * On products compliant to MIL-PRF-38535, this parameter is not production tested. operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load, f = 1 MHz 25.2 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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