| 전자부품 데이터시트 검색엔진 |
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PC87309VLJ 데이터시트(PDF) 168 Page - National Semiconductor (TI) |
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PC87309VLJ 데이터시트(HTML) 168 Page - National Semiconductor (TI) |
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168 / 192 page ![]() Device Specifications 168 www.national.com 10.2.7 Group 7 Pin List: P12, P20, P21 Input Output 1. Not tested. Guaranteed by design. 1. IOH is driven for 10 nsec after the low-to-high transition, on pins P12. 10.2.8 Group 8 Pin List: AFD, ASTRB, DSTRB, INIT, SLIN, STB, WRITE These pins are back-drive protected. Input Output 1. Not tested. Guaranteed by design. 1. Output from STB, AFD, INIT, SLIN is open-drain in all SPP modes, except in SPP Compatible mode when the setup mode is ECP-based (FIFO). (See TABLE 4-1 "Par- allel 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. 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 Voltage IOH = −14 mA 1 2.4 V VOL Output Low Voltage IOL = 14 mA 0.4 V 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 = −2 mA 2.4 V VOL Output Low Voltage IOL = 2 mA 0.4 V |
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