Radiation-Hardened Noninverting Buffers PINOUTS 14-Pin View
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UT54ACS34/UT54ACTS34
Radiation-Hardened Noninverting Buffers
PINOUTS 14-Pin View
radiation-hardened CMOS Latchup immune High speed power consumption Single volt supply Available processes Flexible package 14-pin 14-lead flatpack
DESCRIPTION UT54ACS34 UT54ACTS34 noninvertering buffers. circuits perform Boolean functions devices characterized over full military temperature range +125 FUNCTION TABLE
INPUT OUTPUT
14-Lead Flatpack View
LOGIC SYMBOL
(11) (13) (10) (12)
LOGIC DIAGRAM
Note: Logic symbol accordance with ANSI/IEEE standard 91-1984 Publication 617-12.
RadHard Logic
UT54ACS34/UT54ACTS34
RADIATION HARDNESS SPECIFICATIONS PARAMETER Total Dose Threshold Threshold Neutron Fluence LIMIT 1.0E6 1.0E14 UNITS rads(Si) MeV-cm2/mg MeV-cm2/mg n/cm2
Notes: Logic will latchup during radiation exposure within limits defined table. Device storage elements immune affects.
ABSOLUTE MAXIMUM RATINGS SYMBOL VI/O TSTG
PARAMETER Supply voltage Voltage Storage Temperature range Maximum junction temperature Lead temperature (soldering seconds) Thermal resistance junction case input current Maximum power dissipation
LIMIT -0.3 +150 +175 +300
UNITS
Note: Stresses outside listed absolute maximum ratings cause permanent damage device. This stress rating only, functional operation device these other conditions beyond limits indicated operational sections recommended. Exposure absolute maximum rating conditions extended periods affect device reliability.
RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER Supply voltage Input voltage Temperature range LIMIT UNITS
RadHard Logic
UT54ACS34/UT54ACTS34
ELECTRICAL CHARACTERISTICS (VDD 5.0V 10%; +125 SYMBOL PARAMETER Low-level input voltage ACTS High-level input voltage ACTS Input leakage current ACTS/ACS Low-level output voltage ACTS High-level output voltage ACTS Short-circuit output current ACTS/ACS Output current10 (Sink) Output current10 (Source) Ptotal IDDQ IDDQ Power dissipation Quiescent Supply Current Quiescent Supply Current Delta ACTS 8.0mA -8.0mA -100 0.4V 0.4V 50pF 5.5V input under test 2.1V other inputs 5.5V COUT Input capacitance Output capacitance 1MHz 1MHz .7VDD 0.25 -200 .5VDD .7VDD 0.40 0.25 CONDITION .3VDD UNIT
RadHard Logic
UT54ACS34/UT54ACTS34
Notes: Functional tests conducted accordance with MIL-STD-883 with following input test conditions: (min) 20%, VIL(max) 50%, specified herein, TTL, CMOS, Schmitt compatible inputs. Devices tested using input voltage within above specified range, guaranteed VIH(min) VIL(max). Supplied design limit guaranteed tested. MIL-PRF-38535, current density 5.0E5 amps/cm2, maximum product load capacitance (per output buffer) times frequency should exceed 3,765 pF/MHz. more than output shorted time maximum duration second. Capacitance measured initial qualification when design changes affect value. Capacitance measured between designated terminal frequency 1MHz signal amplitude 50mV maximum. Maximum allowable relative shift equals 50mV. specifications valid radiation dose rads(Si). Power does include power contribution output sink current. Power dissipation specified switching output. This value guaranteed based characterization data, tested.
ELECTRICAL CHARACTERISTICS (VDD 5.0V 10%; +125 SYMBOL tPHL tPLH Input Input PARAMETER MINIMUM MAXIMUM UNIT
Notes: Maximum allowable relative shift equals 50mV. specifications valid radiation dose rads(Si).
RadHard Logic
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