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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9174 датащи(PDF) 9 Page - Analog Devices |
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AD9174 датащи(HTML) 9 Page - Analog Devices |
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9 / 164 page  Data Sheet AD9174 Rev. A | Page 9 of 164 SERIAL PORT AND CMOS PIN SPECIFICATIONS AVDD1.0 = 1.0 V, AVDD1.8 = 1.8 V, DVDD1.0 = 1.0 V, DVDD1.8 = 1.8 V, SVDD1.0 = 1.0 V, and DAC output full-scale current (IOUTFS) = 20 mA, unless otherwise noted. For the minimum and maximum values, TJ = −40°C to +118°C. For the typical values, TA = 25°C, which corresponds to TJ = 51°C. Table 5. Parameter Symbol Test Comments/Conditions Min Typ Max Unit WRITE OPERATION See Figure 51 Maximum SCLK Clock Rate fSCLK, 1/tSCLK 80 MHz SCLK Clock High tPWH SCLK = 20 MHz 5.03 ns SCLK Clock Low tPWL SCLK = 20 MHz 1.6 ns SDIO to SCLK Setup Time tDS 1.154 ns SCLK to SDIO Hold Time tDH 0.577 ns CS to SCLK Setup Time tS 1.036 ns SCLK to CS Hold Time tH −5.3 ps READ OPERATION See Figure 50 SCLK Clock Rate fSCLK, 1/tSCLK 48.58 MHz SCLK Clock High tPWH 5.03 ns SCLK Clock Low tPWL 1.6 ns SDIO to SCLK Setup Time tDS 1.158 ns SCLK to SDIO Hold Time tDH 0.537 ns CS to SCLK Setup Time tS 1.036 ns SCLK to SDIO Data Valid Time tDV 9.6 ns SCLK to SDO Data Valid Time tDV 13.7 ns CS to SDIO Output Valid to High-Z Not shown in Figure 50 or Figure 51 5.4 ns CS to SDO Output Valid to High-Z Not shown in Figure 50 or Figure 51 9.59 ns INPUTS (SDIO, SCLK, CS, RESET, TXEN0, and TXEN1) Voltage Input High VIH 1.48 V Low VIL 0.425 V Current Input High IIH ±100 nA Low IIL ±100 nA OUTPUTS (SDIO, SDO) Voltage Output High VOH 0 mA load 1.69 V 4 mA load 1.52 V Low VOL 0 mA load 0.045 V 4 mA load 0.175 V Current Output High IOH 4 mA Low IOL 4 mA INTERRUPT OUTPUTS (IRQ0, IRQ1) Voltage Output High VOH 1.71 V Low VOL 0.075 V |
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