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CS497014 Arkusz danych(PDF) 9 Page - Cirrus Logic |
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CS497014 Arkusz danych(HTML) 9 Page - Cirrus Logic |
9 / 31 page CS4970x4 Data Sheet 32-bit High Definition Audio Decoder DSP Family DS752F1 9 5.2 Recommended Operating Conditions (GNDD = GNDIO = GNDA = 0 V; all voltages with respect to 0 V) Note: It is recommended that the 3.3 V IO supply come up ahead of or simultaneously with the 1.8 V core supply. 5.3 Digital DC Characteristics (Measurements performed under static conditions.) 5.4 Power Supply Characteristics (Measurements performed under operating conditions.) Parameter Symbol Min Typ Max Unit DC power supplies: Core supply PLL supply I/O supply |VDDA – VDDIO| VDD VDDA VDDIO 1.71 3.13 3.13 1.8 3.3 3.3 0 1.89 3.46 3.46 V V V V Ambient operating temperature Commercial Grade (CQZ/CVZ) TA 0 +25 + 70 °C Commercial Tj 0+125 ºC Parameter Symbol Min Typ Max Unit High-level input voltage VIH 2.0 — — V Low-level input voltage, except XTI VIL —— 0.8 V Low-level input voltage, XTI VILXTI —— 0.6 V Input Hysteresis Vhys —0.4 — V High-level output voltage (IO = -4mA), except XTI, SDRAM pins VOH VDDIO * 0.9 — — V Low-level output voltage (IO = 4mA), except XTI, SDRAM pins VOL —— VDDIO * 0.1 V SDRAM High-level output voltage (IO = -8mA) VOH VDDIO * 0.9 — — V SDRAM Low-level output voltage (IO = 8mA) VOL —— VDDIO * 0.1 V Input leakage current (all digital pins with internal pull-up resistors disabled) IIN —— 5 A Input leakage current (all digital pins with internal pull-up resistors enabled, and XTI) IIN-PU —— 70 A Parameter Min Typ Max Unit Power supply current: Core and I/O operating: VDD1 PLL operating: VDDA With external memory and most ports operating: VDDIO 1.Dependent on application firmware and DSP clock speed. — — — 350 3.5 120 — — — mA mA mA |
Podobny numer części - CS497014 |
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Podobny opis - CS497014 |
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