전자부품 데이터시트 검색엔진 |
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TD87C58 데이터시트(PDF) 9 Page - Intel Corporation |
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TD87C58 데이터시트(HTML) 9 Page - Intel Corporation |
9 / 23 page 8XC525458 DC CHARACTERISTICS (Over Operating Conditions) (Continued) All parameter values apply to all devices unless otherwise indicated Symbol Parameter Min Typ Max Unit Test Conditions (Note 4) VOH1 Output High Voltage VCCb03 V IOH eb200 mA (Port 0 in External Bus Mode) VCCb07 V IOH eb32 mA VCCb15 V IOH eb70 mA IIL Logical 0 Input Current (Ports 1 2 and 3) b 50 m AVIN e 045V ILI Input leakage Current (Port 0) g 10 m AVIN e VIL or VIH ITL Logical 1 to 0 Transition Current (Ports 1 2 and 3) Commercial b 650 m AVIN e 2V Express b 750 m A RRST RST Pulldown Resistor 40 225 KX CIO Pin Capacitance 10 pF 1 MHz 25 C ICC Power Supply Current (Note 3) Active Mode at 12 MHz (Figure 5) 15 30 mA at 16 MHz 20 38 mA at 24 MHz 28 56 mA at 33 MHz (8XC5X-33) 35 56 mA Idle Mode at 12 MHz (Figure 5) 5 75 mA at 16 MHz 6 95 mA at 24 MHz 7 135 mA at 33 MHz (8XC5X-33) 7 15 mA Power Down Mode 5 75 m A 8XC5X-33 5 50 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 capacitive 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 Triggers 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 Typicals are based on a limited number of samples and are not guaranteed The values listed are at room temperature and 5V 5 Under steady state (non-transient) conditions IOL must be externally limited as follows Maximum IOL per port pin 10mA 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 9 |
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