UT54ACS20

Standard Products UT54ACS20/UT54ACTS20 Dual 4-Input NAND Gates Datasheet November 2010 www.aeroflex.com/logic FEATURES ‰ 1.2μ CMOS - Latchup immune ‰ High speed ‰ Low power consumption ‰ Single 5 volt supply ‰ Available QML Q or V processes ‰ Flexible package - 14-pin DIP - 14-lead flatpack ‰ UT54ACS20 - SMD 5962-96526 ‰ UT54ACTS20 - SMD 5962-96527 DESCRIPTION The UT54ACS20 and the UT54ACTS20 are dual 4-input NAND gates. The circuits perform the Boolean functions Y = A⋅B⋅C⋅D or Y = A + B + C + D in positive logic. The devices are characterized over full military temperature range of -55°C to +125°C. FUNCTION TABLE INPUTS OUTPUT ABCDY HHHH L L XXXH X L XXH XX L XH XXXLH LOGIC SYMBOL (1) A1 (2) B1 (4) C1 (5) D1 (9) A2 (10) B2 (12) C2 (13) D2 & (6) Y1 (8) Y2 Note: 1. Logic symbol in accordance with ANSI/IEEE standard 91-1984 and IEC Publication 617-12. PINOUTS 14-Pin DIP Top View A1 1 14 VDD B1 2 13 D2 NC 3 12 C2 C1 4 11 NC D1 5 10 B2 Y1 6 9 A2 VSS 7 8 Y2 14-Lead Flatpack Top View A1 1 14 B1 2 13 NC 3 12 C1 4 11 D1 5 10 Y1 6 9 VSS 7 8 VDD D2 C2 NC B2 A2 Y2 LOGIC DIAGRAM A1 B1 C1 D1 A2 B2 C2 D2 Y1 Y2 1 OPERATIONAL ENVIRONMENT1 PARAMETER Total Dose SEU Threshold 2 SEL Threshold Neutron Fluence LIMIT 1.0E6 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 RATINGS SYMBOL...