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SN54HC652W Datasheet(PDF) 6 Page - Texas Instruments |
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SN54HC652W Datasheet(HTML) 6 Page - Texas Instruments |
6 / 9 page SN54HC652, SN74HC652 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCLS151B – DECEMBER 1982 – REVISED MAY 1997 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) VCC TA = 25°C SN54HC652 SN74HC652 UNIT VCC MIN MAX MIN MAX MIN MAX UNIT 2 V 0 6 0 4.3 0 5.5 fclock Clock frequency 4.5 V 0 31 0 22 0 27 MHz 6 V 0 36 0 25 0 31 2 V 80 115 95 tw Pulse duration, CLKBA or CLKAB high or low 4.5 V 16 23 19 ns 6 V 14 20 16 ↑ ↑ 2 V 100 150 125 tsu Setup time, A before CLKAB ↑ or B before CLKBA↑ 4.5 V 20 30 25 ns 6 V 17 26 21 ↑ ↑ 2 V 5 5 5 th Hold time, A after CLKAB ↑ or B after CLKBA↑ 4.5 V 5 5 5 ns 6 V 5 5 5 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 2) PARAMETER FROM TO VCC TA = 25°C SN54HC652 SN74HC652 UNIT PARAMETER (INPUT) (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 6 10 4.3 5.5 fmax 4.5 V 31 40 22 27 MHz 6 V 36 45 25 31 2 V 65 180 270 225 CLKBA or CLKAB A or B 4.5 V 18 36 54 45 6 V 14 31 46 38 2 V 50 135 205 170 tpd A or B B or A 4.5 V 14 27 41 34 ns 6 V 11 23 35 29 † 2 V 70 190 285 240 SBA or SAB† A or B 4.5 V 20 38 57 48 6 V 16 32 48 41 2 V 85 245 370 305 ten OEBA or OEAB A or B 4.5 V 25 49 74 61 ns 6 V 20 42 63 52 2 V 50 245 370 305 tdis OEBA or OEAB A or B 4.5 V 23 49 74 61 ns 6 V 20 42 63 52 2 V 28 60 90 75 tt Any 4.5 V 8 12 18 15 ns 6 V 6 10 15 13 † These parameters are measured with the internal output state of the storage register opposite that of the bus input. 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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