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NE83C92A Datasheet(PDF) 2 Page - NXP Semiconductors |
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NE83C92A Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 9 page Philips Semiconductors Product specification NE83C92 Low-power coaxial Ethernet transceiver 1995 May 1 2 PIN DESCRIPTIONS PIN NO. N PKG PIN NO. PLCC SYMBOL DESCRIPTION 1 2 2 3 CD+ CD– Collision Outputs. Balanced differential line driver outputs which send a 10MHz signal to the DTE in the event of a collision, jabber interrupt or heartbeat test. External pull-down resistors are optional with local/integrated MAU application. 3 6 4 12 RX+ RX– Receiver Outputs. Balanced differential line driver outputs which send the received signal to the DTE. External pull-down resistors are optional with local/integrated MAU application. 7 8 13 14 TX+ TX– Transmitter Inputs. Balanced differential line receiver inputs which accept the transmission signal from the DTE and apply it to the coaxial cable at TXO, once it meets Tx squelch threshold. 9 15 HBE Heartbeat Enable. The heartbeat function is disabled when this pin is connected to VEE and enabled when connected to GND or left floating. 11 12 18 19 RR+ RR– External Resistor. A 1k Ω (1%) resistor connected between these pins establishes the signaling current at TXO. 14 26 RXI Receiver Input. This pin is connected directly to the coaxial cable. Received signals are equalized, amplified, and sent to the DTE through the RX ± pins, once it meets Rx squelch threshold. 15 28 TXO Transmitter Output. This pin is connected directly (Thin Ethernet) or through an external isolating diode (Ethernet) to the coaxial cable. 16 1 CDS Collision Detect Sense. Ground sense connection for the collision detection circuitry. This pin should be connected directly to the coaxial cable shield for standard Ethernet operation. 10 16 17 GND Positive Supply Pin. 4 5 13 5 to 11 20 to 25 VEE Negative Supply Pins. NOTE: 1. The IEEE 802.3 name for CD is CI; for RX is DI; for TX is DO. |
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