UT54ACTS4002

Standard Products UT54ACS4002/UT54ACTS4002 Dual 4-Input NOR 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 ‰ UT54ACS4002 - SMD 5962-96596 ‰ UT54ACTS4002 - SMD 5962-96597 DESCRIPTION The UT54ACS4002 and the UT54ACTS4002 are dual 4-input NOR gates. A high on any input forces the output to a low state. The circuits perform the Boolean functions: Y = A + B + C + D = A⋅B⋅C⋅D. The devices are characterized over full military temperature range of -55°C to +125°C. FUNCTION TABLE INPUTS OUTPUT An Bn Cn Dn Yn L L L LH HXXX L XHXX L XXHX L XXXHL LOGIC SYMBOL (2) A1 (3) B1 (4) C1 (5) D1 ≥1 (1) Y1 (9) A2 (10) B2 (11) C2 (12) D2 (13) Y2 Note: 1. Logic symbol in accordance with ANSI/IEEE standard 91-1984 and IEC Publication 617-12. PINOUTS 14-Pin DIP Top View Y1 1 14 VDD A1 2 13 Y2 B1 3 12 D2 C1 4 11 C2 D1 5 10 B2 NC 6 9 A2 VSS 7 8 NC 14-Lead Flatpack Top View Y1 1 14 A1 2 13 B1 3 12 C1 4 11 D1 5 10 NC 6 9 VSS 7 8 LOGIC DIAGRAM A1 B1 C1 D1 A2 B2 C2 D2 Y1 Y2 1 VDD Y2 D2 C2 B2 A2 NC 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 i...