REI Datasheet
SN5472, SN54H72, SN54L72, SN7472, SN74H72
AND-Gated J-K Master-Slave Flip-Flops with Preset and Clear
These J-K flip-flops are based on the master-slave principle and each has AND gate inputs for entry
into the master section which are controlled by the clock pulse. The clock pulse also regulates the
state of the coupling transistors which connect the master and slave sections. Logical state of J and K
inputs must not be allowed to change when the clock pulse is in a high state. The SN5472, SN54H72,
and the SN54L72 are characterized for operation over the full military temperature range of -55°C to
125°C while the SN7472 and the SN74H72 are characterized for operation from 0°C to 70°C.
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
• ISO-9001
• AS9120 certification
• Qualified Manufacturers List (QML) MIL-PRF-38535
• Class Q Military
• Class V Space Level
• Qualified Suppliers List of Distributors (QSLD)
• 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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