参数资料
型号: 554HC000249DG
厂商: SILICON LABORATORIES
元件分类: VCXO, clock
英文描述: VCXO, CLOCK, ECL OUTPUT
封装: ROHS COMPLIANT PACKAGE-8
文件页数: 14/14页
文件大小: 238K
代理商: 554HC000249DG
Si554
Rev. 0.6
9
4. Si55x Mark Specification
Figure 2 illustrates the mark specification for the Si554. Table 11 lists the line information.
Figure 2. Mark Specification
Table 11. Si55x Top Mark Description
Line
Position
Description
1
1–10
“SiLabs”+ Part Family Number, 5xx (First 3 characters in part number)
2
1–10
Si550: Option1+Option2+Freq(7)+Temp
Si552, Si554, Si550 w/ 8-digit resolution: Option1+Option2+ConfigNum(6)+Temp
3
Trace Code
Position 1
Pin 1 orientation mark (dot)
Position 2
Product Revision (D)
Position 3–6
Tiny Trace Code (4 alphanumeric characters per assembly release instructions)
Position 7
Year (least significant year digit), to be assigned by assembly site (ex: 2007 = 7)
Position 8–9
Calendar Work Week number (1–53), to be assigned by assembly site
Position 10
“+” to indicate Pb-Free and RoHS-compliant
SiLabs 123
12
3
4
5
6
R T T T T Y WW+
1234567890
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554HC000249DGR 制造商:Silicon Laboratories Inc 功能描述:CNTRLD OSC 644.53125MHZ/669.32658MHZ/690.5692MHZ/693.48299MH - Tape and Reel
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554HDXXXXXXBGR 制造商:SILABS 制造商全称:SILABS 功能描述:SiPHY OC-192/STM-64 TRANSMITTER