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PC87309VLJ датащи(PDF) 169 Page - National Semiconductor (TI) |
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PC87309VLJ датащи(HTML) 169 Page - National Semiconductor (TI) |
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169 / 192 page ![]() Device Specifications 169 www.national.com 10.2.9 Group 9 Pin List: PD7-0 These pins are back-drive protected. Input Output 1. Not tested. Guaranteed by design. 1. Output from PD7-0 is open-drain in all SPP modes, except in SPP Compatible mode when the setup mode is ECP-based (FIFO) and bit 4 of the Control2 parallel port reg- ister is 1. (See TABLE 4-1 "Parallel Port Mode Selection" on page 80.) Otherwise, output from these signals is Level 2. External 4.7 K Ω pull-up resistors should be used. 10.2.10 Group 10 Pin List: IRQ1,3,4,5,6,7,12. 10.2.11 Group 11 Pin List: DENSEL, DIR, DR1,0, HDSEL, MTR1,0, STEP, WDATA, WGATE 1. Not 100% tested. Guaranteed by characterization. 10.2.12 Group 12 Pin List: BOUT2,1, DTR2,1, IRSL2-0, RTS2,1, SOUT2,1, IRTX Symbol Parameter Conditions Min Max Unit VIH Input High Voltage 2.0 VDD 1 V VIL Input Low Voltage −0.51 0.8 V IIL Input Leakage Current VIN = VDD 10 µA VIN = VSS −10 µA VH Hysteresis 250 mV Symbol Parameter Conditions Min Max Unit VOH Output High Voltage1 IOH = −14 mA 2.4 V VOL Output Low Voltage IOL = 14mA 0.4 V Symbol Parameter Conditions Min Max Unit VOH Output High Voltage IOH = −15 mA 2.4 V VOL Output Low Voltage IOL = 24 mA 0.4 V Symbol Parameter Conditions Min Max Unit VOH Output High Voltage IOH = −4 mA 2.4 V VOL Output Low Voltage1 IOL = 40 mA 0.4 V Symbol Parameter Conditions Min Max Unit VOH Output High Voltage IOH = −6 mA 2.4 V VOL Output Low Voltage IOL = 12 mA 0.4 V |
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