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RIVA128 Folha de dados(PDF) 59 Page - STMicroelectronics |
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RIVA128 Folha de dados(HTML) 59 Page - STMicroelectronics |
59 / 77 page 128-BIT 3D MULTIMEDIA ACCELERATOR RIVA 128 59/77 NOTE 1 Tested but not guaranteed. 2 3mA for all signals except PCIFRAME#, PCITRDY#, PCIIRDY#, PCIDEVSEL# and PCISTOP# which have IOL of 6mA. 13.4 ELECTRICAL SPECIFICATIONS Table 20. Parameters applying to all signal pins except PCI/AGP interfaces NOTE 1 Tested but not guaranteed. 2 For 3V tolerant pins VDD = 3.3V ± 0.3V, for 5V tolerant pins (Video Port and Serial interfaces) VDD = 5V ± 0.5V 13.5 DAC CHARACTERISTICS VIL Input logic 0 voltage -0.5 0.325VDD V VOH Output logic 1 level 0.9VDD V VOL Output logic 0 level 0.1VDD V IOH Output load current, logic 1 level -0.5 mA IOL Output load current, logic 0 level 1.5 mA Symbol Parameter Min. Typ. Max. Units Notes CIN Input capacitance 10 12 pF 1 COUT Output load capacitance 10 50 pF 1 VIH Input logic 1 voltage 2.0 VDD+0.5 V 2 VIL Input logic 0 voltage -0.5 0.8 V VOH Output logic 1 level 2.4 V VOL Output logic 0 level 0.4 V IOH Output load current, logic 1 level -1 mA IOL Output load current, logic 0 level 1 mA Parameter Min. Typ. Max. Units Notes Resolution 10 bits DAC operating frequency 230 MHz White relative to Black current 16.74 17.62 18.50 mA 2 DAC to DAC matching ±1 ±2.5 % 2,4 Integral linearity ±0.5 ±1.5 LSB8 2,3,8 Differential linearity ±0.25 ±1LSB 8 2,3,8 DAC output voltage 1.2 V 2 DAC output impedance 20 k Ω Risetime (black to white level) 1 3 ns 2,5,6 Settling time (black to white) 5.9 ns 2,5,7 Glitch energy 50 100 pVs 2,5 Comparator trip voltage 280 335 420 mV Comparator settling time 100 µs Internal Vref voltage 1.235 V Internal Vref voltage accuracy ±3 ±5% Symbol Parameter Min. Typ. Max. Units Notes |
Nº de peça semelhante - RIVA128 |
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Descrição semelhante - RIVA128 |
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