REI Datasheet
SN54184, ‘185A, SN74184, ‘185A
BCD-to-Binary and Binary-to-BCD Converters
These monolithic converters are derived from the custom MSI 256-bit read-only memories SN5488
and SN7488. Emitter connections are made to provide direct read-out of converted codes at outputs
Y8 through Y1 as shown in the function tables. These converters demonstrate the versatility of a
read-only memory in that an unlimited number of reference tables or conversion tables may be
built into a system using economical, customized read-only memories. Both of these converters
comprehend that the least significant bits (LSB) of the binary and BCD codes are logically equal, and
in each case the LSB bypasses the converter as illustrated in the typical applications. This means
that a 6-bit converter is produced in each case. Both devices are cascadable to N bits.
Quality Overview
Rochester Electronics
Manufactured Components
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ISO-9001
AS9120 certification
Qualified Manufacturers List (QML) MIL-PRF-38535
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.
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Class Q Military
Class V Space Level
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Qualified Suppliers List of Distributors (QSLD)
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Rochester is a critical supplier to DLA and
meets all industry and DLA standards.
Parts are tested using original factory
test programs or Rochester developed
test solutions to guarantee product
meets or exceeds the OCM data sheet.
RochesterElectronics, LLCiscommittedtosupplying
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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