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SN74FB1650 Arkusz danych(PDF) 4 Page - Texas Instruments |
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SN74FB1650 Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 10 page SN74FB1650 18BIT TTL/BTL UNIVERSAL STORAGE TRANSCEIVER SCBS178O − AUGUST 1992 − REVISED MARCH 2004 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 2) MIN NOM MAX UNIT VCC, BG VCC, BIAS VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage B port 1.62 2.3 V VIH High-level input voltage Except B port 2 V VIL Low-level input voltage B port 0.75 1.47 V VIL Low-level input voltage Except B port 0.8 V IIK Input clamp current −18 mA IOH High-level output current A port −3 mA IOL Low-level output current A port 24 mA IOL Low-level output current B port 100 mA TA Operating free-air temperature 0 70 °C NOTE 2: To ensure proper device operation, all unused inputs must be terminated as follows: A and control inputs to VCC(5 V) or GND, and B inputs to GND only. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK B port VCC = 4.5 V, II = −18 mA −1.2 V VIK Except B port VCC = 4.5 V, II = −40 mA −0.5 V VOH AO port VCC = 4.5 V, IOH = −3 mA 2.5 3.3 V AO port VCC = 4.5 V, IOL = 24 mA 0.35 0.5 VOL B port VCC = 4.5 V IOL = 80 mA 0.75 1.1 V VOL B port VCC = 4.5 V IOL = 100 mA 1.15 V II Except B port VCC = 5.5 V, VI = 5.5 V 50 µA IIH‡ Except B port VCC = 5.5 V, VI = 2.7 V 50 µA IIL‡ Except B port VCC = 5.5 V, VI = 0.5 V −50 A IIL‡ B port VCC = 5.5 V, VI = 0.75 V −100 µA IOZH AO port VCC = 5.5 V, VO = 2.7 V 50 µA IOZL AO port VCC = 5.5 V, VO = 0.5 V −50 µA IOZPU AO port VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V 50 µA IOZPD AO port VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V −50 µA IOH B port VCC = 0 to 5.5 V, VO = 2.1 V 100 µA IOS§ A port VCC = 5.5 V, VO = 0 −30 −150 mA ICC A port to B port VCC = 5.5 V, IO = 0 100 mA ICC B port to A port VCC = 5.5 V, IO = 0 120 mA Ci AI port VI = VCC or GND 5.5 pF Ci Control inputs VI = VCC or GND 5.5 pF Co AO ports VO = VCC or GND 5.5 pF Cio B port per IEEE Std 1194.1-1991 VCC = 0 to 5.5 V 5.5 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second. |
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