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  2. 555 timer IC - Wikipedia

    en.wikipedia.org/wiki/555_timer_IC

    The value for Signetics NE558 is an estimate because NE558 datasheets don't state I q at 5 V. [2] The value listed in this table was estimated by comparing the 5 V to 15 V ratio of other bipolar datasheets, then derating the 15 V parameter for the NE558 part, which is denoted by the "*". For the "Frequency max."

  3. File:NE555 Bloc Diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:NE555_Bloc_Diagram.svg

    English: The NE555 contains 24 bipolar transistors, two diodes and 15 resistors that form six functional blocks: Between the supply voltage VCC (+) and the ground GND (-) is a voltage divider consisting of three identical resistors which, when connected not from the outside, the two reference voltages ¹ / 3 VCC and ² / 3 VCC supplies.

  4. List of 4000-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_4000-series...

    The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...

  5. Datasheets.com - Wikipedia

    en.wikipedia.org/wiki/Datasheets.com

    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 .

  6. Remains Found in Pa. Over 50 Years Ago Identified as Missing ...

    www.aol.com/lifestyle/remains-found-pa-over-50...

    Human remains found in Lebanon Township, Pennsylvania, in 1973 have been identified, officials in the state confirmed. Pennsylvania State Police Sgt. Josh Lacey announced in a press conference on ...

  7. List of 7400-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_7400-series...

    Datasheet 74x100 2 dual 4-bit bistable latch 24 SN74100: 74x101 1 AND-OR-gated J-K negative-edge-triggered flip-flop, preset 14 SN74H101: 74x102 1 AND-gated J-K negative-edge-triggered flip-flop, preset and clear 14 SN74H102: 74x103 2 dual J-K negative-edge-triggered flip-flop, clear 14 SN74H103: 74x104 1 J-K master-slave flip-flop 14 SN74104 ...

  8. Datasheet - Wikipedia

    en.wikipedia.org/wiki/Datasheet

    Front page of a floppy disk controller data sheet (1979) A datasheet, data sheet, or spec sheet is a document that summarizes the performance and other characteristics of a product, machine, component (e.g., an electronic component), material, subsystem (e.g., a power supply), or software in sufficient detail that allows a buyer to understand what the product is and a design engineer to ...

  9. 2N2222 - Wikipedia

    en.wikipedia.org/wiki/2N2222

    The JEDEC registration of a device number ensures particular rated values will be met by all parts offered under that number. JEDEC registered parameters include outline dimensions, small-signal current gain, transition frequency, maximum values for voltage withstand, current rating, power dissipation and temperature rating, and others, measured under standard test conditions.