UT54ACTS139

UT54ACS139/UT54ACTS139 Radiation-Hardened FEATURES PINOUTS 16-Pin DIP Top View radiation-hardened CMOS - Latchup immune High speed www.DataSheet4U.com Low power consumption Single 5 volt supply Available QML Q or V processes Flexible package - 16-pin DIP - 16-lead flatpack DESCRIPTION The UT54ACS139 and the UT54ACTS139 are designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation delay times. The devices consist of two individual two-line to four-line decoders in a single package. The active-low enable input can be used as a data line in demultiplexing applications. The devices are characterized over full military temperature range of -55 C to +125 C. FUNCTION TABLE ENABLE INPUTS G H L L L L SELECT INPUTS B X L L H H A X L H L H Y0 H L H H H OUTPUT IG 1A 1B 1Y0 1Y1 1Y2 1Y3 VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD 2G 2A 2B 2Y0 2Y1 2Y2 2Y3 16-Lead Flatpack Top View 1G 1A 1B 1Y0 1Y1 1Y2 1Y3 VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD 2G 2A 2B 2Y0 2Y1 2Y2 2Y3 LOGIC DIAGRAM Y1 H H L H H Y2 H H H L H Y3 H H H H L SELECT 1A 1B (2) DATA (3) (7) (12) 2G (15) (11) (10) SELECT 2A 2B (14) (13) (9) 2Y3 1Y3 1G (1) (4) (5) (6) 1Y0 1Y1 1Y2 2Y0 2Y1 2Y2 77 RadHard MSI Logic UT54ACS139/UT54ACTS139 LOGIC SYMBOL 1A 1B 1G (2) (3) (1) X/Y 1 2 EN 0 1 2 3 (4) (5) (6) (7) (12) (11) (10) (9) 1Y0 1Y1 1Y2 1Y3 2Y0 2Y1 2Y2 2Y3 1A 1B 1G (2) (3) (1) DMUX 0 1 G --- 0 3 0 1 2 3 (4) (5) (6) (7) (12) (11) (10)...