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8XL52 Fiches technique(PDF) 9 Page - Intel Corporation |
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8XL52 Fiches technique(HTML) 9 Page - Intel Corporation |
9 / 20 page 8XL525458 DC CHARACTERISTICS (Over Operating Conditions) All parameter values apply to all devices unless otherwise indicated (Continued) Symbol Parameter Min Max Units Test Conditions ITL Logical 1 to 0 b 350 m AVIN e 14V Transition Current (Ports 1 2 and 3) RRST RST Pulldown Resistor 40 225 KX ICC Power Supply Current (Note 3) Active Mode at 16 MHz 25 mA Idle Mode at 16 MHz 8 mA Power-Down Mode 30 m A NOTES 1 Capacitive loading on Ports 0 and 2 may cause noise pulses above 04V to be superimposed on the VOLs of ALE and Ports 1 2 and 3 The noise is due to external bus capacitance discharging into the Port 0 and Port 2 pins when these pins change from 1 to 0 In applications where capacitance loading exceeds 100 pF the noise pulses on these signals may exceed 08V It may be desirable to qualify ALE or other signals with a Schmitt Trigger or CMOS-level input logic 2 Capacitive loading on Ports 0 and 2 cause the VOH on ALE and PSEN to drop below the 09 VCC specification when the address lines are stabilizing 3 See Figures 6 – 9 for test conditions Minimum VCC for power down is 2V 4 Under steady state (non-transient) conditions IOL must be externally limited as follows Maximum IOL per port pin 10 mA Maximum IOL per 8-bit port - Port 0 26 mA Ports 1 2 and 3 15 mA Maximum total IOL for all output pins 71 mA If IOL exceeds the test condition VOL may exceed the related specification Pins are not guaranteed to sink current greater than the listed test conditions Running the device with EA at a higher voltage than VCC sinks additional currrent 272468 – 6 ICC Max at other frequencies (35 MHz to 20 MHz) is given by Active Mode ICC MAX e 11 c FREQ a 76 Idle Mode ICC MAX e 04 c FREQ a 18 Where FREQ is in MHz ICCMAX is given in mA Figure 5 ICC vs Frequency 9 |
Numéro de pièce similaire - 8XL52 |
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Description similaire - 8XL52 |
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