REI Datasheet
SN54ALS29806, SN54ALS29809, SN74ALS29806, SN74ALS809
Comparator AND 2- to 4-Bit Decoder
The ‘ALS29806 and ‘ALS29809 are 6-bit and 9-bit comparators, respectively. The ‘ALS29806
and ‘ALS29809 compare two data words applied to the P and Q inputs. When the two words are
identical, the P=Q output goes low. Both devices feature an open-collector acknowledge (ACK)
output that goes low when P=Q and the controlling input (C) are low. The ‘ALS29806 features a 2-
to 4-bit decoder whose selected output goes low when the P=Q output is low. The ‘ALS29806 and
‘ALS29809 can be cascaded by tying the P=Q output to the enable G of the next device. If the G
input is high, all the outputs will be inactive (high).
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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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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