UT54ACS541

UT54ACS541/UT54ACTS541 Radiation-Hardened Octal Buffers & Line Drivers, Three-State Outputs Dec. 1, 2003 FEATURES Three-state outputs drive bus lines or buffer memory address registers 1.2µ radiation-hardened CMOS (ACS541) and 0.6µ CRH CMOS process (ACTS541) - Latchup immune www.DataSheet4U.com High speed Low power consumption Single 5 volt supply Available QML Q or V processes Flexible package - 20-pin DIP (not available for the ACTS541) - 20-lead flatpack DESCRIPTION The UT54ACS541 and the UT54ACTS541 are non-inverting octal buffers and line drivers which improve the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The devices are characterized over full military temperature range of -55°C to +125°C. FUNCTION TABLE INPUTS 1G L L H X 2G L L X H An L H X X OUTPUT Yn L H Z Z PINOUTS 20-Pin DIP Top View 1G A1 A2 A3 A4 A5 A6 A7 A8 VSS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD 2G Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 20-Lead Flatpack Top View 1G A1 A2 A3 A4 A5 A6 A7 A8 VSS 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD 2G Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 LOGIC SYMBOL 1G 2G (1) (19) & EN A1 (2) (3) A2 A3 (4) (5) A4 A5 (6) A6 (7) A7 (8) A8 (9) (18) Y1 (17) Y2 (16) Y3 (15) (14) (13) (12) (11) Y4 Y5 Y6 Y7 Y8 Note: 1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 235 RadHard MSI Logic UT54ACS541/UT54ACTS541 LOGIC DIAGRAM A8 (9) A7 (8) A6 (7) A5 (6) A...