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Silicon die of the first 555 chip (1971) Die of a CMOS NXP ICM7555 chip The timer IC was designed in 1971 by Hans Camenzind under contract to Signetics. [3] In 1968, he was hired by Signetics to develop a phase-locked loop (PLL) IC.
DataSheets.com is a searchable database of electronic component data sheets and purchasing information. [1] The website is intended for Design engineers and Electronics purchasing agents. [ 2 ] DataSheets.com was developed by UBM in conjunction with SiliconExpert Technologies .
GL82H170 (PCH H170) Desktop Home (Note the datasheet linked one that page is incorrect, see via PCH HM170 below) GL82Z170 (PCH Z170) Combined desktop base and home; GL82B150 (PCH B150) Desktop Office; GL82Q150 (PCH Q150) Desktop Office; GL82Q170 (PCH Q170) Desktop Office; GL82HM170 (PCH HM170) Mobile Home; GL82CM236 (PCH CM236) Mobile Workstation