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SN74SSTL16857 Scheda tecnica(PDF) 4 Page - Texas Instruments |
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SN74SSTL16857 Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 7 page SN74SSTL16857 14-BIT SSTL_2 REGISTERED BUFFER SCAS625C – FEBRUARY 1999 – REVISED OCTOBER 1999 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT VIK II = –18 mA 2.3 V –1.2 V IOH = –100 µA 2.3 V to 2.7 V VCC–0.2 VOH IOH = –8 mA 23 V 1.95 V IOH = –16 mA 2.3 V 1.95 IOL = 100 µA 2.3 V to 2.7 V 0.2 VOL IOL = 8 mA 23 V 0.35 V IOL = 16 mA 2.3 V 0.35 VI = 1.7 V or 0.8V VREF =1 15Vor1 35 V 27 V ±5 Data inputs VI = 2.7 V or 0 VREF = 1.15 V or 1.35 V 2.7 V ±5 µA Data inputs VI = 1.7 V or 0.8V VREF =1 15Vor1 35 V 36 V ±5 µA VI = 2.7 V or 0 VREF = 1.15 V or 1.35 V 3.6 V ±5 VI = 1.7 V or 0.8V VREF =1 15Vor1 35 V 27 V ±1 II CLK CLK VI = 2.7 V or 0 VREF = 1.15 V or 1.35 V 2.7 V ±1 mA II CLK, CLK VI = 1.7 V or 0.8V VREF =1 15Vor1 35 V 36 V ±1 mA VI = 2.7 V or 0 VREF = 1.15 V or 1.35 V 3.6 V ±1 RESET VI =VCC or GND 2.7 V ±5 RESET VI = VCC or GND 3.6 V ±5 µA VREF VREF =1 15Vor1 35 V 2.7 V ±5 µA VREF VREF = 1.15 V or 1.35 V 3.6 V ±5 VI = 1.7 V or 0.8 V IO =0 27 V 90 ICC VI = 2.7 V or 0 IO = 0 2.7 V 90 mA ICC VI = 1.7 V or 0.8 V IO =0 36 V 90 mA VI = 2.7 V or 0 IO = 0 3.6 V 90 RESET VI =1 7Vor0 8V 25 V† 3 Ci Data inputs VI = 1.7 V or 0.8 V 2.5 V† 2.5 pF Ci RESET VI =1 7Vor0 8V 33 V‡ 3 pF Data inputs VI = 1.7 V or 0.8 V 3.3 V‡ 2.5 † All typical values are at VCC = 2.5 V, TA = 25°C. ‡ All typical values are at VCC = 3.3 V, TA = 25°C. timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) VCC = 2.5 V ± 0.2 V VCC = 3.3 V ± 0.3 V UNIT MIN MAX MIN MAX fclock Clock frequency 150 150 MHz tw Pulse duration, CLK, CLK high or low 3.3 3.3 ns t Setup time Data before CLK ↑, CLK↓ 1.1 1.75 ns tsu Setup time RESET high before CLK ↑, CLK↓ 0.6 1.1 ns th Hold time, data after CLK ↑, CLK↓ 0.7 0.7 ns |
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