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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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PC87334VLJ bảng dữ liệu(PDF) 85 Page - National Semiconductor (TI) |
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PC87334VLJ bảng dữ liệu(HTML) 85 Page - National Semiconductor (TI) |
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85 / 102 page  100 Electrical Characteristics (Continued) DC CHARACTERISTICS Under Recommended Operating Conditions (Continued) Symbol Parameter Conditions Min Typ Max Units MICROPROCESSOR AND IDE INTERFACE PINS VOH Output High Voltage IOH eb15 mA on 24 V D0 – 7 IDED7 IRQ3 – 7 DRQ IOH eb6mAon DTR RTS SOUT MFM DRATE IDEHI IDELO HCS 3F3RD VOL Output Low Voltage IOL e 24 mA on 04 V D0 – 7 IDED7 IRQ3 – 7 DRQ ZWS IOCHRDY MFM IOL e 12 mA on DTR RTS SOUT HCS IOL e 6mAon DRATE IDEHI IDELO 3F3RD IOZ Input TRI-STATE Leakage Current VIN e VDD 50 m A (D7 – 0 IRQ3 – 7 DRQ) VIN e VSS b 50 DISK INTERFACE PINS (Note 6) VH Input Hysteresis 250 mV VOH Output High Voltage (Note 7) IOH eb4 mA 24 V VOL Output Low Voltage IOL e 40 mA 04 V ILKG Output High Leakage Current (Note 7) VIN e VDD 10 m A VIN e VSS b 10 OSCILLATOR PIN (XTAL1CLK) VIH XTAL1 Input High Voltage 20 V VIL XTAL1 Input Low Voltage 04 V IXLKG XTAL1 Leakage Current VIN e VDD 400 m A VIN e VSS b 400 PARALLEL PORT PINS ICH High Level Output Current (Note 8) VOH e 24V 12 mA ICL Low Level Output Current VOL e 04V 12 mA SERIAL INFRARED PINS VOH Output High Voltage IOH eb100 mAVCC b 02 V IOH eb6 mA 24 VOL Output Low Voltage IOH e 100 mA 02 V IOH e 6 mA 04 Note 6 When PPM is active and FDC is selected via the parallel port pins the parallel port pins behave as the other Disk Interface pins If FDC is not selected (PNF e 1) or PPM is not active the parallel port pins behave normally Note 7 VOH and ILKG for the disk interface pins is valid for CMOS buffered outputs only Note 8 AFD INIT SLIN and STB are open drain pins when the PC87334 parallel port is operating in one of the following modes Compatible Extended EPP17 ECP mode 0 or ECP mode 2 if PCR1 is 0 47 kX resistors should be used 85 |
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