參數(shù)資料
型號(hào): MCP4341-503E/ST
廠商: Microchip Technology
文件頁(yè)數(shù): 52/59頁(yè)
文件大?。?/td> 0K
描述: IC DGTL POT QUAD 50K 20TSSOP
標(biāo)準(zhǔn)包裝: 74
系列: WiperLock™
接片: 129
電阻(歐姆): 50k
電路數(shù): 4
溫度系數(shù): 標(biāo)準(zhǔn)值 150 ppm/°C
存儲(chǔ)器類(lèi)型: 非易失
接口: 4 線 SPI(芯片選擇)
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
Micrel, Inc.
KSZ9021GQ
September 2010
56
M9999-091010-1.2
The following reset circuit is recommended for applications where reset is driven by another device (e.g., CPU or FPGA).
At power-on-reset, R, C and D1 provide the necessary ramp rise time to reset the KSZ9021GQ device. The RST_OUT_N
from CPU/FPGA provides the warm reset after power up.
Figure 14. Recommended Reset Circuit for Interfacing with CPU/FPGA Reset Output
Reference Circuits – LED Strap-in Pins
The pull-up and pull-down reference circuits for the LED5/PHYAD4, LED4/PHYAD3, LED3/PHYAD2, LED2/PHYAD1 and
LED1/PHYAD0 strapping pins are shown in the following figure.
Figure 15. Reference Circuits for LED Strapping Pins
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