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TMS320F243FN Datasheet(PDF) 74 Page - Texas Instruments |
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TMS320F243FN Datasheet(HTML) 74 Page - Texas Instruments |
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74 / 116 page  TMS320F243, TMS320F241 DSP CONTROLLERS SPRS064B – DECEMBER 1997 – REVISED FEBRUARY 1999 74 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 recommended operating conditions§ MIN NOM MAX UNIT VDD Supply voltage 4.5 5 5.5 V VSS Supply ground 0 V XTAL1/CLKIN 3 VDD +0 3 VIH High-level input voltage XTAL1/CLKIN 3 VDD + 0.3 V VIH High-level in ut voltage All other inputs 2 VDD + 0.3 V XTAL1/CLKIN 03 07 VIL Low-level input voltage XTAL1/CLKIN – 0.3 0.7 V VIL Low-level in ut voltage All other inputs – 0.3 0.7 V IOH High-level output current VOH =2 4V All outputs 8 mA IOH High-level out ut current, VOH = 2.4 V All out uts 8 mA IOL Low-level output current VOL =0 7V All outputs 8 mA IOL Low-level out ut current, VOL = 0.7 V All out uts 8 mA L version 0 70 TA Operating free-air temperature A version –40 85 °C S version –40 125 TFP Flash programming on flash devices, temperature –40 85 °C § Thermal resistance values, ΘJA (junction-to-ambient) and ΘJC (junction-to-case) for the ’F243/’F241 can be found on the mechanical package pages. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH High-level output voltage 5-V operation, IOH = MAX = 8 mA 2.4 V VOL Low-level output voltage 5-V operation, IOL = MAX = 8 mA 0.7 V TRST pins with internal pulldown 350 II Input current (VI = VSS or VDD) EMU0, EMU1, TMS, TCK, and TDI with internal pullup –3 50 65 µA All other input-only pins –5 5 IOZ Output current, high-impedance state (off-state) VO = VDD or 0 V –5 5 µA Supply current operating mode 5V operation t (CO) =50ns ’243 120 mA Supply current, operating mode 5-V operation, tc(CO) = 50 ns ’241 90 mA IDD Supply current, Idle 1 low-power mode LPM0 5-V operation, tc(CO) = 50 ns 40 mA IDD Supply current, Idle 2 low-power mode LPM1 5-V operation, tc(CO) = 50 ns 30 mA Supply current, PLL/OSC power-down mode LPM2 5-V operation, at room temperature 10 µA Ci Input capacitance 15 pF Co Output capacitance 15 pF |
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