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ISL23428UFVZ-T7A Scheda tecnica(PDF) 7 Page - Intersil Corporation |
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ISL23428UFVZ-T7A Scheda tecnica(HTML) 7 Page - Intersil Corporation |
7 / 21 page ISL23428 7 FN7904.0 August 25, 2011 tDCP Wiper Response Time W option; CS rising edge to wiper new position, from 10% to 90% of final value. 0.4 µs U option; CS rising edge to wiper new position, from 10% to 90% of final value. 1.5 µs T option; CS rising edge to wiper new position, from 10% to 90% of final value. 3.5 µs tShdnRec DCP Recall Time from Shutdown Mode CS rising edge to wiper recalled position and RH connection 1.5 µs VCC, VLOGIC Ramp VCC ,VLOGIC Ramp Rate (Note 20) Ramp monotonic at any level 0.01 50 V/ms Serial Interface Specification For SCK, SDI, SDO, CS Unless Otherwise Noted. SYMBOL PARAMETER TEST CONDITIONS MIN (Note 19) TYP (Note 7) MAX (Note 19) UNITS VIL Input LOW Voltage -0.3 0.3 x VLOGIC V VIH Input HIGH Voltage 0.7 x VLOGIC VLOGIC+ 0.3 V Hysteresis SDI and SCK Input Buffer Hysteresis VLOGIC > 2V 0.05 x VLOGIC V VLOGIC < 2V 0.1 x VLOGIC V VOL SDO Output Buffer LOW Voltage IOL = 3mA, VLOGIC > 2V 0 0.4 V IOL = 1.5mA, VLOGIC < 2V 0.2 x VLOGIC V Rpu SDO Pull-Up Resistor Off-Chip Maximum is determined by tRO and tFO with maximum bus load Cb = 30pF, fSCK =5MHz 1.5 kΩ Cpin SCK, SDO, SDI, CS Pin Capacitance 10 pF fSCK SCK Frequency VLOGIC = 1.7V to 5.5V 5 MHz VLOGIC = 1.2V to 1.6V 1 MHz tCYC SPI Clock Cycle Time VLOGIC ≥ 1.7V 200 ns tWH SPI Clock High Time VLOGIC ≥ 1.7V 100 ns tWL SPI Clock Low Time VLOGIC ≥ 1.7V 100 ns tLEAD Lead Time VLOGIC ≥ 1.7V 250 ns tLAG Lag Time VLOGIC ≥ 1.7V 250 ns tSU SDI, SCK and CS Input Setup Time VLOGIC ≥ 1.7V 50 ns tH SDI, SCK and CS Input Hold Time VLOGIC ≥ 1.7V 50 ns tRI SDI, SCK and CS Input Rise Time VLOGIC ≥ 1.7V 10 ns tFI SDI, SCK and CS Input Fall Time VLOGIC ≥ 1.7V 10 20 ns tDIS SDO Output Disable Time VLOGIC ≥ 1.7V 0 100 ns tSO SDO Output Setup Time VLOGIC ≥ 1.7V 50 ns tV SDO Output Valid Time VLOGIC ≥ 1.7V 150 ns tHO SDO Output Hold Time VLOGIC ≥ 1.7V 0 ns Operating Specifications VCC = 2.7V to 5.5V, VLOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise stated. Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 19) TYP (Note 7) MAX (Note 19) UNITS |
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