UT54ACS157

UT54ACS157/UT54ACTS157 Radiation-Hardened Quadruple 2 to 1 Multiplexers FEATURES radiation-hardened CMOS - Latchup immune High speed Low power consumption www.DataSheet4U.com Single 5 volt supply Available QML Q or V processes Flexible package - 16-pin DIP - 16-lead flatpack DESCRIPTION The UT54ACS157 and the UT54ACTS157 are monolithic data selectors/multiplexers. A 4-bit word is selected from one of two sources and is routed to the four outputs. A separate strobe input, G, is provided. The devices are characterized over full military temperature range of -55 C to +125 C. FUNCTION TABLE INPUTS STROBE G H L L L L SELECT A/B X L L H H DATA A X L H X X B X X X L H Y L L H L H PINOUTS 16-Pin DIP Top View A/B A1 B1 Y1 A2 B2 Y2 VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD G A4 B4 Y4 A3 B3 Y3 16-Lead Flatpack Top View A/B A1 B1 Y1 A2 B2 Y2 VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD G A4 B4 Y4 A3 B3 Y3 OUTPUT LOGIC SYMBOL (15) G (1) A/B A1 B1 A2 B2 A3 B3 A4 B4 (2) (3) (5) (6) (11) (10) (14) (13) 1 1 MUX (4) (7) (9) (12) Y1 Y2 Y3 Y4 EN G1 Note: 1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 95 RadHard MSI Logic UT54ACS157/UT54ACTS157 LOGIC DIAGRAM 1A (2) (4) 1Y 1B www.DataSheet4U.com (3) 2A (5) (7) 2Y 2B (6) 3A (11) (9) 3Y 3B (10) 4A (14) (12) 4Y 4B STROBE G SELECT A/B (13) (15) (1) RadHard MSI Logic 96 UT54ACS157/UT54ACTS157 RADIATION HARDNESS SPECIFICATIONS 1 PARAMETER Total Dose SEU Threshold 2 SEL...