Legacy Logic Products

Frontgrade offers a number of Legacy Logic Products.

The products listed on this page are not recommended for new designs. Products are either obsolete and have run out of supply and can no longer be produced. End of Life (EOL) products have reached a limited supply status and not recommended for new designs. Please contact the factory for questions.

Part NumberTypeInput BufferSupply VoltageTID krad(Si)SEL
LET (MeV-cm²/mg)		PackageFlight GradeSMD Part Number
UT54ACS10Logic Triple 3-Input NAND GatesCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96520
UT54ACTS10Logic Triple 3-Input NAND GatesTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96521
UT54ACS11Logic Triple 3-Input AND GatesCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96522
UT54ACTS11Logic Triple 3-Input AND GatesTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96523
UT54ACS20Logic Dual 4-Input NAND GatesCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96526
UT54ACTS20Logic Dual 4-Input NAND GatesTTL+5V500≤12014-Lead Ceramic Flat PackQML-Q QML-V5962-96527
UT54ACTS20ELogic Dual 4-Input NAND GatesTTL+3.3V+5V1000≤12014-Lead Ceramic Flat PackQML-Q QML-V5962-96527
UT54ACS27Logic Triple 3-Input NOR GatesCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96528
UT54ACTS27Logic Triple 3-Input NOR GatesTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96529
UT54ACS34Hex Non-Inverting BuffersCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96530
UT54ACTS34Hex Non-Inverting BuffersTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96531
UT54ACS54Logic 4-Wide AND-OR-INVERT GatesCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96532
UT54ACTS54Logic 4-Wide AND-OR-INVERT GatesTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96533
UT54ACS109FLIP-FLOPs Dual J-KCMOS+5V500≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96540
UT54ACS109EFLIP-FLOPs Dual J-KCMOS+3.3V+5V1000≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96540
UT54ACTS109FLIP-FLOPs Dual J-KTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96541
UT54ACS139Decoders/Demultiplexers Dual 2-Line to 4-LineCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96546
UT54ACTS139Decoders/Demultiplexers Dual 2-Line to 4-LineTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96547
UT54ACS151Data Selectors/Multiplexers 1 to 8CMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96548
UT54ACTS151Data Selectors/Multiplexers 1 to 8TTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96549
UT54ACS153Multiplexers 4-Input DualCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96550
UT54ACTS153Multiplexers 4-Input DualTTL+5V500≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96551
UT54ACTS153EMultiplexers 4-Input DualTTL+3.3V+5V1000≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96551
UT54ACS165Registers 8-Bit Shift ParallelCMOS+5V500≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96558
UT54ACS165ERegisters 8-Bit Shift ParallelCMOS+3.3V+5V1000≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96558
UT54ACTS165Registers 8-Bit Shift ParallelTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96559
UT54ACS169Counters 4-Bit Binary Up-DownCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96560
UT54ACTS169Counters 4-Bit Binary Up-DownTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96561
UT54ACS190Counters Up-Down BCD Synchronous 4-BitCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96562
UT54ACTS190Counters Up-Down BCD Synchronous 4-BitTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96563
UT54ACS253Multiplexers 4-Input Dual with 3-State OutputsCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96574
UT54ACTS253Multiplexers 4-Input Dual with 3-State OutputsTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96575
UT54ACS264Look-Ahead Carry Generator for CountersCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96576
UT54ACTS264Look-Ahead Carry Generator for CountersTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96577
UT54ACS279Latches Quadruple S-RCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96580
UT54ACTS279Latches Quadruple S-RTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96581
UT54ACS2809-Bit Parity Generators/CheckersCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96582
UT54ACTS2809-Bit Parity Generators/CheckersTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96583
UT54ACS283Adders 4-Bit Parity Binary FullCMOS+5V500≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96584
UT54ACS283EAdders 4-Bit Parity Binary FullCMOS+3.3V+5V1000≤12016-Lead Ceramic Flat PackQML-Q QML-V5962-96584
UT54ACTS283Adders 4-Bit Parity Binary FullTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96585
UT54ACS365Buffers/Line Drivers Hex with 3-State OutputsCMOS+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96586
UT54ACTS365Buffers/Line Drivers Hex with 3-State OutputsTTL+5V1000≤12016-Lead Ceramic Flat Pack 16-Pin DIPQML-Q QML-V5962-96587
UT54ACS374FLIP-FLOPS Octal D with 3-State OutputsCMOS+5V1000≤12020-Lead Ceramic Flat Pack 20-Pin DIPQML-Q QML-V5962-96590
UT54ACTS374FLIP-FLOPS Octal D with 3-State OutputsTTL+5V1000≤12020-Lead Ceramic Flat Pack 20-Pin DIPQML-Q QML-V5962-96591
UT54ACS540Octal Buffers and Line Drivers with Inverted 3-State OutputsCMOS+5V1000≤12020-Lead Ceramic Flat Pack 20-Pin DIPQML-Q QML-V5962-96592
UT54ACTS540Octal Buffers and Line Drivers with Inverted 3-State OutputsTTL+5V1000≤12020-Lead Ceramic Flat Pack 20-Pin DIPQML-Q QML-V5962-96593
UT54ACS4002Logic Dual 4-Input NOR GatesCMOS+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96596
UT54ACTS4002Logic Dual 4-Input NOR GatesTTL+5V1000≤12014-Lead Ceramic Flat Pack 14-Pin DIPQML-Q QML-V5962-96597
UT54ACS299ERegisters Universal Shift/StorageCMOS+3.3V+5V100≤10820-Lead Ceramic Flat PackQML-Q QML-V5962-06238
UT54ACTS899Latchable Transceiver with Parity Generator/CheckerTTL+5V100≤10828-Lead Ceramic Flat PackQML-Q QML-V5962-06240
UT22VP10One Time programmable PALCMOS or TTL+5V1000≤10924-Lead Ceramic Flat Pack 24-Pin DIP 28-Uniformed lead chip carrierQML-Q QML-V5962-94754
UT6325RadTol FPGA  300≤120208-Lead Ceramic Quad Flat Pack 288-Lead Ceramic Quad Flat Pack 484-Lead Ceramic Column Grid ArrayQML-Q QML-V5962-04229

Obsolete products have run out of supply. End of Life products have reached a limit supply status and not recommended for new designs.

Downloads

ADEPT Notifications

SPO-2012-D-0009
Obsolescence and product migration notification for MSI logic device

SPO-2012-D-0010
Obsolescence and product migration notification for MSI logic device

SPO-2014-D-0009A
Obsolescence and product migration notification for MSI logic device

SPO-2014-D-0010A
Obsolescence and product migration notification for MSI logic device

SPO-2016-PCN-0003
This Product change notice is for change to a package dimension for the 208CQFP (SMD case out line X) lead length (parameter D3) from .825" to .620".

SPO-2019-D-0008
DMSMS for all product offerings

SPO_2020-D-0003
EOL Notification for SMD 5962-04229

SPO-2020-D-0007
End of Life announcement for SMD# 5962-94754, UT22VP10 Universal RADPAL

Do you need help with an existing product?

Our customer and technical support teams are happy to assist.