REI Datasheet
AM27LS03
64-Bit Low-Power Inverting-Output Bipolar RAM
The AM27LS03 is a 64-bit RAM built using Schottky diode clamped transistors in conjunction with
internal ECL circuitry and are ideal for use in scratch pad and high-speed buffer memory applications.
Each memory is organized as a fully decoded 16-word memory of 4 bits per word. Easy memory
expansion is provided by an active LOW chip select (CS) input and three-state outputs (AM27LS03).
An active LOW Write line (WE) controls the writing/reading operation of the memory. When the chip
select and write lines are LOW the information on the four data inputs D0 to D3 is written into the
addressed memory word and preconditions the output circuitry so that correct data is present at
the outputs when the write cycle is complete. This preconditioning operation insures minimum write
recovery times by eliminating the “write recovery glitch.”
Rochester Electronics
Manufactured Components
Rochester branded components are
manufactured using either die/wafers
purchased from the original suppliers
or Rochester wafers recreated from the
original IP. All recreations are done with
the approval of the OCM.
Parts are tested using original factory
test programs or Rochester developed
test solutions to guarantee product
meets or exceeds the OCM data sheet.
Quality Overview
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ISO-9001
AS9120 certification
Qualified Manufacturers List (QML) MIL-PRF-38535
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Class Q Military
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Class V Space Level
Qualified Suppliers List of Distributors (QSLD)
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Rochester is a critical supplier to DLA and
meets all industry and DLA standards.
Rochester Electronics, LLC is committed to supplying
products that satisfy customer expectations for
quality and are equal to those originally supplied by
industry manufacturers.
The original manufacturer’s datasheet accompanying this document reflects the performance
and specifications of the Rochester manufactured version of this device. Rochester Electronics
guarantees the performance of its semiconductor products to the original OEM specifications.
‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be
based on product characterization, design, simulation, or sample testing.
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