參數(shù)資料
型號: MCP4361T-503E/ST
廠商: Microchip Technology
文件頁數(shù): 51/59頁
文件大?。?/td> 0K
描述: IC DGTL POT QUAD 50K 20TSSOP
標準包裝: 2,500
系列: WiperLock™
接片: 257
電阻(歐姆): 50k
電路數(shù): 4
溫度系數(shù): 標準值 150 ppm/°C
存儲器類型: 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: 帶卷 (TR)
Micrel, Inc.
KSZ9021GQ
September 2010
55
M9999-091010-1.2
Reset Timing
The recommended KSZ9021GQ power-up reset timing is summarized in the following figure and table.
Figure 12. Reset Timing
Parameter
Description
Min
Max
Units
tsr
Stable supply voltage to reset high
10
ms
Table 16. Reset Timing Parameters
After the de-assertion of reset, it is recommended to wait a minimum of 100s before starting programming on the MIIM
(MDC/MDIO) Interface.
Reset Circuit
The following reset circuit is recommended for powering up the KSZ9021GQ if reset is triggered by the power supply.
Figure 13. Recommended Reset Circuit
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