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SN74ALB16245DLR Folha de dados(PDF) 4 Page - Texas Instruments |
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SN74ALB16245DLR Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 13 page SN74ALB16245 3.3-V ALB 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS SCBS678C – SEPTEMBER 1996 – REVISED JANUARY 2001 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK AorB ports VCC =3V II = 18 mA 3.7 VCC+1.2 V VIK A or B ports VCC = 3 V II = –18 mA –0.9 –1.2 V Control inputs VCC = 3.6 V, VI = VCC or GND ±10 µA VI =VCC OE low 0.4 0.6 mA II AorB ports VCC =3 6V VI = VCC OE high 25 µA A or B ports VCC = 3.6 V VI =0 OE low –0.7 –1 mA VI = 0 OE high –60 µA IOZH VCC = 3.6 V, VO = 3 V 0.7 20 µA IOZL VCC = 3.6 V, VO = 0.5 V –0.2 –50 µA ICC/buffer VCC = 3.6 V, IO = 0, VI = VCC or GND 3.7 5.6 mA ICCZ VCC = 3.6 V, Control inputs = VCC or GND 0.8 mA ∆ICC‡ VCC = 3 V to 3.6 V, One input at VCC – 0.6 V, Other inputs at VCC or GND 600 µA Ci VI = 3 V or 0 3.5 pF Cio VO = 3 V or 0 7.5 pF † All typical values are at VCC = 3.3 V, TA = 25°C. ‡ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 3) PARAMETER FROM TO VCC = 3.3 V ± 0.3 V UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP† MAX UNIT tpd A or B B or A 0.6 1.3 2 ns ten OE A or B 1.5 3.2 6 ns tdis OE A or B 1.8 2.8 4.2 ns † All typical values are at VCC = 3.3 V, TA = 25°C. |
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