Circuit, integrated
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1987.0929.001
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- OBJECT TYPE
- SILICON (NMOS)
- DATE
- 1982–1987
- ARTIFACT NUMBER
- 1987.0929.001
- MANUFACTURER
- NORTHERN TELECOM ELECTRONICS LTD.
- MODEL
- E99
- LOCATION
- Nepean, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 3
- AKA
- N/A
- Patents
- N/A
- General Description
- SILICON BASED
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 2.5 cm
- Width
- N/A
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- NORTHERN TELECOM
- Country
- Canada
- State/Province
- Ontario
- City
- Nepean
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- C. 1982 TO PRESENT (CONTINUES IN USE AT THIS TIME)
- Canada
-
DESIGNED, DEVELOPED AND MADE IN CANADA, THE E99 CHIP WAS ONE OF THE MOST SIGNIFICANT DEVELOPMENTS IN MAKING NORTHERN TELECOM'S DMS DIGITAL SWITCHING SYSTEM PRACTICAL AND ECONOMICALLY COMPETITIVE. BY 1987 IT WAS INSTALLED IN DMS SWITCHING SYSTEMS OPERATING IN OVER 90 COUNTRIES. IT WAS ALSO MANUFACTURED IN THE NTE PLANT IN SAN DIEGO, CA.. - Function
-
USED IN THE LINE CARD OF THE DMS 100 & SL-100 TELEPHONE SWITCHING SYSTEMS TO CONVERT FROM ANALOG TO DIGITAL (PCM) AND THE REVERSE. [PCM = PULSE CODE MODULATION] - Technical
-
IT CONTAINS A FILTER-CODEC, A CONTROLLED ACCESS CIRCUIT AND SEVERAL OTHER COMPONENTS ON A SINGLE CHIP AND HAS THE EQUIVALENT OF 10,000 TRANSISTORS, 400 LOGIC CELLS AND ABOUT 8000 WIRINGS. - Area Notes
-
Unknown
Details
- Markings
- NO VISIBLE MARKINGS
- Missing
- N/A
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
NORTHERN TELECOM ELECTRONICS LTD., Circuit, integrated, between 1982–1987, Artifact no. 1987.0929, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1987.0929.001/
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