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部品型式

NE8392CA

製品説明
仕様・特性

Philips Semiconductors Product specification Coaxial transceiver interface for Ethernet/Thin Ethernet DESCRIPTION NE8392C PIN CONFIGURATION The NE8392C Coaxial Transceiver Interface (CTI) is a bipolar coaxial line driver/receiver for Ethernet (10base5) and Thin Ethernet (10base2) local area networks. The CTI is connected between the coaxial cable and the Data Terminal Equipment (DTE) and consists of a receiver, transmitter, receive-mode collision detector, heartbeat generator and jabber timer (see Block Diagram). The transmitter output connects directly to a doubly terminated 50Ω cable, while the receiver output, collision detector output and transmitter input are connected to the DTE through isolation transformers. Isolation between the CTI and the DTE is an IEEE 802.3 requirement that can be met on signal lines by using a set of pulse transformers normally available in a standard 16-pin DIP. Power isolation for the CTI is achieved using DC-to-DC conversion through a power transformer (see Figure 1, Connection Diagram). N PACKAGE 16 CDS CD+ 1 CD– 2 15 TXO 3 14 VEE 4 13 VEE VEE 5 12 RR– RX– 6 11 RR+ TX+ 7 10 GND TX– 8 RX+ During transmission the jabber timer is initiated to disable the CTI transmitter in the event of a longer than legal length data packet. Receive-mode collision detection circuitry monitors the signals on the coaxial cable to determine the presence of colliding packets and signals the DTE in the event of a collision. At the end of every transmission the heartbeat generator creates a pseudo collision for a short time to ensure that the collision circuitry is functioning correctly. The heartbeat function can be disabled for repeater applications. 9 RXI HBE 2 1 RXI CDS 3 N/C CD+ 4 TXO RX+ CD– A PACKAGE 28 27 26 V EE 5 V EE 6 V EE 7 V EE 8 V EE 9 V EE 10 V EE 11 24 23 22 21 20 19 RR+ GND HBE • Compatible with Ethernet II IEEE 802.3 10base5 and 10base2, V EE V EE V EE V EE V EE V EE RR– 14 15 16 17 18 GND RX– FEATURES TX+ 12 13 TX– The CTI is normally part of a three chip set that implements a complete Ethernet/ Thin Ethernet network interface for a DTE (see Figure 2, Interface Diagram). The other chips are a Serial Network Interface (SNI) and a Network Interface Controller (NIC). The SNI provides Manchester Encoding and Decoding while the NIC handles the media access protocol and buffer management tasks. 25 SD00283 and ISO 8802/3 interface specifications • 100% drop-in compatible with industry standard 8392 sockets • Integrates all transceiver electronics except signal and power • On-chip precision voltage reference for receive mode collision detection • Squelch circuitry on all signal inputs rejects noise • Full ESD protection • Standard 16-pin DIP and 28-pin PLCC packages • Power-on reset prevents glitches on coaxial cable during power isolation • Only one external resistor required for setting coaxial signaling current • Jabber timer function integrated on chip • Heartbeat generator can be externally disabled for operation as up. IEEE 802.3 compatible repeaters • Also available in advanced low-power BiCMOS technology. (See selection chart and data sheets for the NE83C92, NE83Q92 or NE83Q93 for appropriate optimal usages) ORDERING INFORMATION TEMPERATURE RANGE ORDER CODE DWG # 16-Pin Plastic Dual In-Line Package (DIP) DESCRIPTION 0 to +70°C NE8392CN SOT28-4 28-Pin Plastic Lead Chip Carrier (PLCC) 0 to +70°C NE8392CA SOT261-3 1995 May 1 1 853-1693 15180

ブランド

PHILIPS

現況

2006年8月フィリップス社が半導体部門を投資家グループに売却しKASLION Acquisition B.V.の名称で法人化。2010年5月 社名を現在のNXPセミコンダクターズN.V.に変更。

現ブランド

NXP

会社名

NXP Semiconductors

本社国名

オランダ

事業概要

高性能ミックスドシグナルICのほか、ディスクリートなどの汎用製品をグローバルに提供している。

供給状況

 
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NE8392CN NE8392CN8392CN NE83C92A NE83C92N NE83Q92A
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