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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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AM7996PC bảng dữ liệu(PDF) 12 Page - Advanced Micro Devices |
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AM7996PC bảng dữ liệu(HTML) 12 Page - Advanced Micro Devices |
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12 / 18 page  AMD 12 Am7996 DC CHARACTERISTICS over operating ranges unless otherwise specified Parameter Symbol Parameter Description Test Conditions (Note 10) Min Typ Max Unit Transmit Signals VTXTH Transmit Output HIGH Voltage (Note 1) RLX = 25 Ω 0 –0.05 –0.425 V VTXTL Transmit Output LOW Voltage (Note 1) RLX = 25 Ω –1.625 –2.0 –2.2 V VTXT Transmit Average DC Voltage with 50% RLX = 25 Ω –0.925 –1.0 –1.1 V Duty-Cycle into DO+, DO– (Note 1) VICM DO+, DO– Common Mode Bias IIN = 0 VEE VEE VEE Voltage + 1.2 + 1.5 + 1.8 VIDC Differential Input Squelch Threshold –175 –225 –275 mV (DO+, DO–) (Note 9) ITXTL Transmit Current (Note 9) VTXT = –5.5 V –65 –88 mA IILD VIN = VEE Max –2.0 IIHD VIN = 0 2.5 RIDF Differential Input Resistance (DO+, DO–) VIN = 0 to VEE 68 k Ω RICM Common-Mode Input Resistance (DO+, DO–) VIN = 0 to VEE 1.5 2 k Ω Receive/Collision Signals VOD Differential Output Voltage VOD+ +550 +670 +850 (DI+, DI–; CI+, CI–) VOD– –550 –670 –850 VCMT Common-Mode Output RL = 78 Ω –1.0 –2.0 –3.0 V (DI+, DI–; CI+, CI–) VODI Differential Output Voltage Imbalance RL = 78 Ω 5 20 mV (DI+, DI–; CI+, CI–) ||VOD| – | VOD|| (Note 6) VOD OFF Differential Output Idle Voltage RL = 78 Ω, VEE = Max –20 0 +20 mV (DI+, DI–; CI+, CI–) VCAT Carrier Sense Threshold VIN = 5 MHz Preamble –400 –500 –600 mV VCOT Collision Sense Threshold (Note 5) –1515 –1600 –1700 mV IRXT RXT Input Bias Current VIN = 1 V to –2.5 V; –0.5 0 +0.5 µA VEE = Max IOD OFF Differential Output Idle Current RL = 0 –0.5 0 +0.5 mA (DI+, DI–; CI+, CI–) Global Supply Current–Non-Transmitting –88 –105 Supply Current–Transmitting –128 –155 CAPACITANCE* (TA = 25 °C; VEE = 0; Pins 15, 17—No Connections) Parameter Symbol Parameter Description Test Conditions Min Typ Max Unit Ceramic DIP 1.7 Plastic DIP/PLCC 1.1 Notes: See notes following Switching Characteristics section. *Parameters are not “Tested.” Commercial Input Current (DO+, DO–) mA V mV RL = 78 Ω IEE RLX = 25 Ω (Note 4) mA CRXT RXT Input Capacitance pF VEE = Max |
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