品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 78Q2123/78Q2133FEATURES
• Smallest 10/100 PHY available • 10BASE-T/100BASE-TX IEEE-802.3 compliant TX and RX functions requiring a dual 1:1 isolation transformer interface to the line • Integrated MII, 10BASE-T/100BASE-TX ENDEC, 100BASE-TX scrambler/descrambler, and full-featured auto-negotiation function • Full duplex operation capable • Automatic MDI/MDI-X cross over correction • Register-programmable transmit amplitude • Automatic polarity correction during auto-negotiation and 10BASE-T signal reception • Power-saving and power-down modes including transmitter disable • 2 Programmable LED indicators (Link and Activity by default) • User programmable Interrupt pin • Package: 32-QFN (5x5 mm) • Low Power (~290mW) • Single 3.3 V ± 0.3V Supply • 78Q2123 rated for 0°C to 70°C operation • 78Q2133 rated for -40°C to 85°C operation |
