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ISL22444 Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL22444 Datasheet(HTML) 6 Page - Intersil Corporation |
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6 / 19 page  6 FN6426.0 May 24, 2007 IV-SB V- Current (standby) V- = -5.5V, VCC = +5.5V @ +85°C, SPI interface in standby state -4.0 -0.7 µA V- = -5.5V, VCC = +5.5V @ +125°C, SPI interface in standby state -5.0 -1.5 µA V- = -2.25V, VCC = +2.25V @ +85°C, SPI interface in standby state -2.0 -0.3 µA V- = -2.25V, VCC = +2.25V @ +125°C, SPI interface in standby state -3.0 -0.4 µA ISD VCC Current (shutdown) VCC = +5.5V, V- = -5.5V @ +85°C, SPI interface in standby state 0.5 2.0 µA VCC = +5.5V, V- = -5.5V @ +125°C, SPI interface in standby state 1.0 4.0 µA VCC = +2.25V, V- = -2.25V @ +85°C, SPI interface in standby state 0.2 1.0 µA VCC = +2.25V, V- = -2.25V @ +125°C, SPI interface in standby state 0.5 2.0 µA IV-SD V- Current (shutdown) V- = -5.5V, VCC = +5.5V @ +85°C, SPI interface in standby state -4.0 -0.7 µA V- = -5.5V, VCC = +5.5V @ +125°C, SPI interface in standby state -5.0 -1.5 µA V- = -2.25V, VCC = +2.25V @ +85°C, SPI interface in standby state -2.0 -0.3 µA V- = -2.25V, VCC = +2.25V @ +125°C, SPI interface in standby state -3.0 -0.4 µA ILkgDig Leakage current, at pins SCK, SDI, SDO and CS Voltage at pin from GND to VCC -1 1 µA tWRT (Note 20) DCP wiper response time CS rising edge to wiper new position 1.5 µs tShdnRec (Note 20) DCP recall time from shutdown mode CS rising edge to wiper stored position and RH connection 1.5 µs Vpor Power-on recall voltage Minimum VCC at which memory recall occurs 1.9 2.1 V VCCRamp VCC ramp rate 0.2 V/ms tD Power-up delay VCC above Vpor, to DCP Initial Value Register recall completed, and SPI Interface in standby state 5ms EEPROM SPECIFICATION EEPROM Endurance 1,000,000 Cycles EEPROM Retention Temperature T ≤ +55ºC 50 Years tWC (Note 18) Non-volatile Write Cycle time 12 20 ms SERIAL INTERFACE SPECIFICATIONS VIL SCK, SDI, and CS input buffer LOW voltage 0.3*VCC V VIH SCK, SDI, and CS input buffer HIGH voltage 0.7*VCC V Hysteresis SCK, SDI, and CS input buffer hysteresis 0.05*VCC V VOL SDO output buffer LOW voltage IOL = 4mA for Open Drain output, pull-up voltage Vpu = VCC 00.4 V Rpu (Note 19) SDO pull-up resistor off-chip Maximum is determined by tRO and tFO with maximum bus load Cb = 30pF, fSCK = 5MHz 2k Ω Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN TYP (NOTE 4) MAX UNIT ISL22444 |
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