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TDA7502 Datasheet(PDF) 9 Page - STMicroelectronics |
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TDA7502 Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 25 page TDA7502 Electrical specifications 9/25 Table 7. Oscillator characteristics Symbol Parameter Test condition Min. Typ. Max. Unit Fosc Max oscillator frequency (XTI) @ 3.3V and Tj = 125°C 8 12.5 MHz Table 8. General interface electrical characteristics Symbol Parameter Test Condition Min. Typ. Max. Unit lil Low level input current without pullup device Vi = 0V (1) 1 μA lih High level input current without pullup device Vi = Vdd (1) 1 μA Ioz Tri-state output leakage without pull up/down device Vo = 0V or Vdd (1) 1 μA IozFT 5V tolerant tri-state output leakage without pull up/down device Vo = 0V or Vdd (1) 1 μA Vo = 5.5V 1 3 μA Ilatchup I/O latch-up current V < 0V, V > Vdd 200 mA Vesd Electrostatic protection Leakage , 1 μA (2) 1500 V 1. The leakage currents are generally very small, <1nA. The value given here, 1mA, ia amaximum that can occur after an electrostatic stress on the pin. 2. Human body model. Table 9. Low voltage TTL interface DC electrical characteristics Symbol Parameter Test condition Min. Typ. Max. Unit Vil Low level input voltage (1) 0.8 V Vih High level input voltage (1) 2V Vilhyst Low level threshold input falling (1) 0.9 1.35 V Vihhyst Low level threshold input falling (1) 1.3 1.9 V Vhyst Schmitt trigger hysteresis (1) 0.4 0.7 V Vol Low level output voltage Iol = XmA (1) (2) (3) 0.4 V Voh High level output voltage 2.4 V 1. TTL specifications only apply to the supply voltage range Vdd = 3.0V to 3.6V. 2. Takes into account 200mV voltage drop in both supply lines. 3. X is the source/sink current under worst case conditions and is reflected in the name of the I/O cell according to the drive capability. Table 10. DSP core Symbol Parameter Test condition Min. Typ. Max. Unit Fdsp Maximum DSP clock frequency @3.15V and Tj = 125°C 50 MHz |
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