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| UT54ACS132/UT54ACTS132 Radiation-Hardened Quadruple 2-Input NAND Schmitt Triggers FEATURES * * * * * * radiation-hardened 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 PINOUTS 14-Pin DIP Top View A1 B1 Y1 A2 B2 Y2 VSS 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD B4 A4 Y4 B3 A3 Y3 DESCRIPTION The UT54ACS132 and the UT54ACTS132 are 2-input NAND gates with Schmitt Trigger input levels. A high applied on both the inputs forces the output to a low state. The devices are characterized over full military temperature range of -55 C to +125 C. FUNCTION TABLE INPUTS An L L H H Bn L H L H OUTPUT Yn H H H L A1 B1 Y1 A1 B1 Y1 A2 B2 Y2 VSS 14-Lead Flatpack Top View 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD B4 A4 Y4 B3 A3 Y3 LOGIC DIAGRAM LOGIC SYMBOL A1 B1 A2 B2 A3 B3 A4 B4 (1) (2) (4) (5) (9) (10) (12) (13) (11) (6) (8) Y2 Y3 Y4 & A2 B2 (3) A3 Y1 B3 A4 B4 Y2 Y3 Y4 Note: 1. Logic symbol in accordance with ANSI/IEEE standard 91-1984 and IEC Publication 617-12. 67 RadHard MSI Logic UT54ACS132/UT54ACTS132 RADIATION HARDNESS SPECIFICATIONS 1 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 VDD VI/O TSTG TJ TLS JC PARAMETER Supply voltage Voltage any pin Storage Temperature range Maximum junction temperature Lead temperature (soldering 5 seconds) Thermal resistance junction to case DC input current Maximum power dissipation LIMIT -0.3 to 7.0 -.3 to VDD +.3 -65 to +150 +175 +300 20 10 1 UNITS V V C C C C/W mA W II PD Note: 1. Stresses outside the listed absolute maximum ratings may cause permanent damage to the device. This is a stress rating only, functional operation of the device at these or any other conditions beyond limits indicated in the operational sections is not recommended. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. RECOMMENDED OPERATING CONDITIONS SYMBOL VDD VIN TC PARAMETER Supply voltage Input voltage any pin Temperature range LIMIT 4.5 to 5.5 0 to VDD -55 to + 125 UNITS V V C RadHard MSI Logic 68 UT54ACS132/UT54ACTS132 DC ELECTRICAL CHARACTERISTICS 7 (VDD = 5.0V 10%; VSS = 0V 6, -55 C < TC < +125 C) SYMBOL VT+ PARAMETER Schmitt Trigger, positive going 1 threshold ACTS ACS Schmitt Trigger, negative going 1 threshold ACTS ACS Schmitt Trigger, typical range of hysteresis 2 ACTS ACS Input leakage current ACTS/ACS Low-level output voltage 3 ACTS ACS High-level output voltage 3 ACTS ACS Short-circuit output current 2 ,4 ACTS/ACS Output current10 (Sink) IOH Output current10 (Source) Ptotal IDDQ IDDQ Power dissipation 2, 8, 9 Quiescent Supply Current Quiescent Supply Current Delta ACTS VIN = VDD or VSS IOL = 8.0mA IOL = 100 A IOH = -8.0mA IOH = -100 A VO = VDD and VSS VIN = VDD or VSS VOL = 0.4V VIN = VDD or VSS VOH = VDD - 0.4V CL = 50pF VDD = 5.5V For input under test VIN = VDD - 2.1V For all other inputs VIN = VDD or VSS VDD = 5.5V CIN COUT Input capacitance 5 Output capacitance 5 = 1MHz @ 0V = 1MHz @ 0V 15 15 pF pF 1.9 10 3.1 mW/ MHz A mA -8 mA .7VDD VDD - 0.25 -200 8 200 0.5 .3VDD 0.3 0.6 0.9 1.5 CONDITION MIN MAX 2.25 .7VDD UNIT V VT- V VH V IIN VOL -1 1 0.40 0.25 A V VOH V IOS IOL mA mA 69 RadHard MSI Logic |
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