RadHard MSI Logic SMD Cross Reference Description Part Number Quadruple 2-Input NAND Gates Quadruple 2-Input NOR Gates Hex Inverters Quadrupple 2-Input AND Gates Triple 3-Input NAND Gates Triple 3-Input AND Gates Hex Inverter Schmit Trigger Dual 4-Input NAND Gates Triple 3-Input NOR Gates UTMC SMD Number Part Number Harris SMD Number 1/22/99 Part Number National SMD Number UT54ACS00 5962-96512 HCS00MS 5962-95724 54AC00 5962-87549 UT54ACTS00 5962-96513 HCTS00MS 5962-95637 54ACT00 5962-87699 UT54ACS02 5962-96514 HCS02MS 5962-95679 54AC02 5962-87612 UT54ACTS02 5962-96515 HCTS02MS 5962-95682 UT54ACS04 5962-96516 HCS04MS 5962-95725 54AC04 5962-87609 UT54ACTS04 5962-96517 HCTS04MS 5962-95732 UT54ACS08 5962-96518 HCS08MS 5962-95680 54AC08 5962-87615 UT54ACTS08 5962-96519 HCTS08MS 5962-95683 UT54ACS10 5962-96520 HCS10MS 5962-95777 54AC10 5962-87610 UT54ACTS10 5962-96521 HCTS10MS 5962-95765 UT54ACS11 5962-96522 HCS11MS 5962-95720 54AC11 5962-87611 UT54ACTS11 5962-96523 HCTS11MS 5962-95721 UT54ACS14 5962-96524 HCS14MS 5962-95681 54AC14 5962-87624 UT54ACTS14 5962-96525 HCTS14MS 5962-95719 UT54ACS20 5962-96526 HCS20MS 5962-95778 54AC20 5962-87613 UT54ACTS20 5962-96527 HCTS20MS 5962-95733 UT54ACS27 5962-96528 HCS27MS 5962-95780 UT54ACTS27 5962-96529 HCTS27MS 5962-95734 Hex Noninverting Buffers UT54ACS34 5962-96530 UT54ACTS34 5962-96531 4-Wide AND-OR-INVERT Gates UT54ACS54 5962-96532 UT54ACTS54 5962-96533 UT54ACS74 5962-96534 HCS74MS 5962-95782 54AC74 5962-88520 UT54ACTS74 5962-96535 HCTS74MS 5962-95763 54ACT74 5962-87525 4-Bit Comparators UT54ACS85 5962-96536 UT54ACTS85 5962-96537 HCTS85MS 5962-95768 Quadruple 2-Input Exclusive OR Gates UT54ACS86 5962-96538 HCS86MS 5962-95783 54AC86 5962-89550 UT54ACTS86 5962-96539 HCTS86MS 5962-95763 UT54ACS109 5962-96540 HCS109MS 5962-95784 54AC109 5962-89551 UT54ACTS109 5962-96541 HCTS109MS 5962-95769 54ACT109 5962-88534 UT54ACS132 5962-96542 HCS132MS 5962-95726 UT54ACTS132 5962-96543 HCTS132MS 5962-95739 UT54ACS138 5962-96544 HCS138MS 5962-95727 54AC138 5962-87622 UT54ACTS138 5962-96545 HCTS138MS 5962-95740 54ACT138 5962-87554 UT54ACS139 5962-96546 HCS139MS 5962-95804 54AC139 5962-87623 Dual D Flip-Flops with Clear & Preset Dual J-K Flip-Flops Quadruple 2-Input NAND Schmitt Triggers 3-Line to 8-Line Decoders/Demultiplexers Dual 2-Line to 4-Line Decoders/Demultiplexers 1 RadHard MSI Logic SMD Cross Reference Description Part Number 1 of 8 Data Selectors/Multiplexers Dual 4-Input Multiplexer w/Three-State Outputs Quadruple 2 to 1 Multiplexers 4-Bit Synchronous Counters 8-Bit Shift Registers 8-Bit Parallel Shift Registers 4-Bit Up-Down Binary Counters Synchronous 4-Bit Up-Down BCD Counters Synchronous 4-Bit Up-Down Binary Counters Synchronous 4-Bit Up-Down Clock UTMC SMD Number Part Number Harris SMD Number 1/22/99 Part Number National SMD Number UT54ACTS139 5962-96547 HCST139MS 5962-95753 54ACT139 5962-87553 UT54ACS151 5962-96548 HCS151 5962-95728 54AC151 5962-87691 UT54ACTS151 5962-96549 54ACT151 5962-88756 UT54ACS153 5962-96550 54AC153 5962-87625 UT54ACTS153 5962-96551 HCTS153MS 5962-95754 54ACT153 5962-87698 UT54ACS157 5962-96552 HCS157MS 5962-95805 54AC157 5962-89539 UT54ACTS157 5962-96553 HCTS157MS 5962-95755 54ACT157 5962-89539 UT54ACS163 5962-96554 HCS163MS 5962-95807 54AC163 5962-89582 UT54ACTS163 5962-96555 HCTS163MS 5962-95743 54ACT163 5962-91723 UT54ACS164 5962-96556 HCS164MS 5962-95785 UT54ACTS164 5962-96557 HCTS164MS 5962-95663 HCS165MS 5962-95786 5962-91603 UT54ACS165 5962-96558 UT54ACTS165 5962-96559 UT54ACS169 5962-96560 54AC169 UT54ACTS169 5962-96561 54ACT169 UT54ACS190 5962-96562 HCS190MS 5962-95808 UT54ACTS190 5962-96563 HCTS190MS 5962-95771 UT54ACS191 5962-96564 UT54ACTS191 5962-96565 HCTS191MS 5962-95756 883 54AC191 5962-89749 UT54ACS193 5962-96566 HCS193MS 5962-95788 UT54ACTS193 5962-96567 HCTS193MS 5962-95757 Clock & Wait-State Generation Circuit UT54ACTS220 5962-96753 Octal Buffers w/Inverted Three-State Outputs UT54ACS240 5962-96568 HCS240MS 5962-95809 54AC240 5962-87550 UT54ACTS240 5962-96569 HCTS240MS 5962-95772 54ACT240 5962-87759 UT54ACS244 5962-96570 HCS244MS 5962-95731 54AC244 5962-87552 UT54ACTS244 5962-96571 HCTS244MS 5962-95744 54ACT244 5962-87760 Schmitt Trigger Octal Bus Transceivers w/Three-State Outputs UT54ACS245S 5962-96572 Octal Bus Transceivers w/Three-State Outputs UT54ACS245 5962-96572 HCS245MS 5962-96797 54AC245 5962-87758 UT54ACTS245 5962-96573 HCTS245MS 5962-95745 54ACT245 5962-87663 UT54ACS253 5962-96574 HCS253MS 5962-95790 54AC253 5962-87693 UT54ACTS253 5962-96575 54ACT253 5962-87761 Look-Ahead Carry Generators for Counters UT54ACS264 5962-96576 UT54ACTS264 5962-96577 Octal D Flip-Flops w/Clear UT54ACS273 5962-96578 HCS273MS 5962-95791 54AC273 5962-87756 UT54ACTS273 5962-96579 HCTS273MS 5962-95764 Octal Buffers & Line Drivers, Three-State Outputs Dual 4-Input Multiplexers 2 RadHard MSI Logic SMD Cross Reference Description Part Number Quadruple S-R Latches 9-Bit Parity Generators/Checkers 4-Bit Binary Full Adders UTMC SMD Number UT54ACS279 5962-96580 UT54ACTS279 5962-96581 UT54ACS280 5962-96582 UT54ACTS280 5962-96583 Part Number Harris SMD Number 1/22/99 Part Number National SMD Number 54AC280 5962-92201 54ACT283 5962-883 UT54ACS283 5962-96584 HCS283MS 5962-95811 UT54ACTS283 5962-96585 HCTS283MS 5962-95774 Hex Buffer/Line Driver w/Three-State Outputs UT54ACS365 5962-96586 UT54ACTS365 5962-96587 HCTS365MS 5962-95775 Octal Transparent Latches w/Three-State Outputs UT54ACS373 5962-96588 HCS373MS 5962-95792 54AC373 5962-87555 UT54ACTS373 5962-96589 HCTS373MS 5962-95747 54ACT373 5962-87556 UT54ACS374 5962-96590 HCS374MS 5962-95793 54AC374 5962-87694 UT54ACTS374 5962-96591 HCTS374MS 5962-95748 54ACT374 5962-87631 UT54ACS540 5962-96592 54AC540 5962-87695 UT54ACTS540 5964-96593 UT54ACS541 5964-96594 54AC541 5962-88706 UT54ACTS541 5964-96595 UT54ACS4002 5962-96596 UT54ACTS4002 5962-96597 Octal D Flip-Flops w/Three-State Outputs Octal Driver, w/Inverted Three-State Outputs Octal Driver, w/Three-State Outputs Dual 4-Input NOR Gate HCTS540MS 5962-95776 HCTS541MS 5962-96726 HCTS4002MS 5962-95760 3