貼片數(shù)碼管

當(dāng)檢測到與多數(shù)字LED數(shù)碼管的每個(gè)引腳對應(yīng)的段時(shí)，萬用表選擇R*10K檔位。對于公共陽極數(shù)碼管，黑色引線連接到特定位置的公共電極，紅色引線連接到其引腳。如果數(shù)碼管返回微弱的亮光，如a段中的亮光，則表明連接到紅色引線的引腳連接到a段LED的負(fù)極。對于公共陰極數(shù)碼管，紅色引線連接到某個(gè)位置的公共電極，黑色引線連接到其他引腳。如果在數(shù)碼管的某個(gè)段上發(fā)現(xiàn)微弱的光，則黑色探針的引腳連接到LED段的正極。

Guangcai

光彩顯示

8-STAGE STATIC SHIFT REGISTERS

DESCRIPTION The HCC4014B, HCC4021B (extended temperature range) and the HCF4014B, HCF4021B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. 4014B SYNCHRONOUS PARALLEL OR SERIAL INPUT/

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STMICROELECTRONICS

意法半導(dǎo)體

RadHardened high voltage complementary MOS logic series

文件：141.35 Kbytes 頁數(shù)：13 Pages

STMICROELECTRONICS

意法半導(dǎo)體

Rad-hard, high voltage, CMOS logic series

Features ? ESCC qualified ? 18 V Absolute maximum ratings ? 3 V to 15 V operating voltage ? Hermetic packages ? Rad-hard 100 krad (Si) TID ? SEL immune up to 119 MeV.cm2/mg ? SEU immune up to 119 MeV.cm2/mg ? -55 °C to +125 °C temperature range ? ESCC specification available on ESCC websi

文件：336.95 Kbytes 頁數(shù)：16 Pages

STMICROELECTRONICS

意法半導(dǎo)體