UT54ACTS541

Standard Products UT54ACS541/UT54ACTS541 Octal Buffers & Line Drivers, Three-State Outputs Datasheet November 2010 www.aeroflex.com/logic FEATURES ‰ Three-state outputs drive bus lines or buffer memory address registers ‰ 1.2μ CMOS - Latchup immune ‰ High speed ‰ Low power consumption ‰ Single 5 volt supply ‰ Available QML Q or V processes ‰ Flexible package - 20-pin DIP - 20-lead flatpack ‰ UT54ACS541 - SMD 5962-96594 ‰ UT54ACTS541 - SMD 5962-96595 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 OUTPUT 1G 2G An Yn LLLL L LHH HXXZ XHXZ LOGIC SYMBOL 1G (1) 2G (19) & EN PINOUTS 1G A1 A2 A3 A4 A5 A6 A7 A8 VSS A1 (2) A2 (3) A3 (4) A4 (5) A5 (6) A6 (7) A7 (8) A8 (9) (18) (17) Y1 Y2 (16) Y3 (15) Y4 (14) Y5 (13) Y6 (12) Y7 (11) Y8 Note: 1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 1 20-Pin DIP Top View 1G 1 20 VDD A1 2 19 2G A2 3 18 Y1 A3 4 17 Y2 A4 5 16 Y3 A5 6 15 Y4 A6 7 14 Y5 A7 8 13 Y6 A8 9 12 Y7 VSS 10 11 Y8 20-Lead Flatpack Top View 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VDD 2G Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 LOGIC DIAGRAM A8 A7 A6 A5 A4 A3 A2 A1 2G 1G (9) (8) (7) (6) (5) (4) (3) (2) (19) (1) (11) Y8 (12) ...