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UT54ACS541

ETC
Part Number UT54ACS541
Manufacturer ETC
Description Octal Buffers and Line Drivers
Published Nov 18, 2008
Detailed Description UT54ACS541/UT54ACTS541 Radiation-Hardened Octal Buffers & Line Drivers, Three-State Outputs Dec. 1, 2003 FEATURES • Thr...
Datasheet PDF File UT54ACS541 PDF File

UT54ACS541
UT54ACS541

Overview
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) A4 (5) A3 (4) A2 (3) A1 2G 1G (1) (2) (19) www.
DataSheet4U.
com (11) Y8 (12) Y7 (13) Y6 (14) Y5 (15) Y4 (16) Y3 (17) Y2 (18) Y1 RADIATION HARDNESS SPECIFICATIONS 1 PARAMETER Total Dose SEU Threshold 2 SEL Threshold Neutron Fluence LIMIT 1.
0E6 (ACS541) 5.
0E5 (ACTS541) 80 120 1.
0E14 UNITS rads(Si) MeV-cm2/mg MeV-cm2/mg n/cm2 Notes: 1.
Logic will not latchup during radiation exposure within the limits defined in the table 2.
Device storage elements are immune to SEU affects.
ABSOLUTE MAXIMUM...


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