Part identity

54LS21DMQB

Microcircuit Digita

Fairchild Controls Corporation

Avg quote: 14 minFulfilled from Anaheim, CAAS9120:2025 · ISO 9001 · FAA AC 00-56BC of C, lot & date code with every line

Part description

Microcircuit Digita

ASAP supports this specific part for replacement, spare-pool replenishment, retrofit, and urgent maintenance requirements. Quote requests can include alternate MPN, condition preferences, certification needs, and plant-specific receiving instructions so procurement gets a clear sourcing response before purchase.

Specifications

MPN
54LS21DMQB
Item name
Microcircuit Digita
Manufacturer code
02335
Manufacturer
Fairchild Controls Corporation

Certifications & documentation

  • UL Recognized
  • CE
  • C of C available on request
FC

Manufacturer

Fairchild Controls Corporation

Authorized-distributor or qualified-aftermarket source. Parts shipped from this manufacturer include full traceability paperwork and counterfeit-mitigation per SAE AS6081.

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NSN Information for Part Number 54LS21DMQB with NSN 5962-01-034-9830, 5962010349830

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5962010349830

Item Description:

Microcircuit Digita

59620103498300NB
CIICHCCESDPMICCriticalityENAC
UBA0
Part NumberISCRNVCRNCCHCCMSDSSADC
54ls21dmqb31CA

Characteristics Data of NSN 5962-01-034-9830, 5962010349830

MRCCriteriaCharacteristic
ADAQBODY LENGTH0.796 INCHES MAXIMUM
ADATBODY WIDTH0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
ADAUBODY HEIGHT0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
AEHXMAXIMUM POWER DISSIPATION RATING22.0 MILLIWATTS
AFGAOPERATING TEMP RANGE-55.0/+125.0 DEG CELSIUS
AFJQSTORAGE TEMP RANGE-65.0/+150.0 DEG CELSIUS
AGAVEND ITEM IDENTIFICATIONRED ANALOG SWITCH FSCM 04655
CBBLFEATURES PROVIDEDHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND SCHOTTKY AND LOW POWER AND W/TOTEM POLE OUTPUT
CQSJINCLOSURE MATERIALCERAMIC AND GLASS
CQSZINCLOSURE CONFIGURATIONDUAL-IN-LINE
CQWXOUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
CQZPINPUT CIRCUIT PATTERNDUAL 4 INPUT
CSSLDESIGN FUNCTION AND QUANTITY2 GATE, AND
CTFTCASE OUTLINE SOURCE AND DESIGNATORD-1 MIL-M-38510
CTQXCURRENT RATING PER CHARACTERISTIC4.40 MILLIAMPERES MAXIMUM SUPPLY
CWSGTERMINAL SURFACE TREATMENTSOLDER
CXCYPART NAME ASSIGNED BY CONTROLLING AGENCYMICROCIRCUIT,DIGITAL: LSTTL,DUAL FOUR INPUT AND GATE,74LS21,DIP14
CZENVOLTAGE RATING AND TYPE PER CHARACTERISTIC7.0 VOLTS MAXIMUM POWER SOURCE
CZEQTIME RATING PER CHACTERISTIC20.00 NANOSECONDS MAXIMUM PROPAGATION DELAY
TESTTEST DATA DOCUMENT81349-MIL-M-38510 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTI
TTQYTERMINAL TYPE AND QUANTITY14 PRINTED CIRCUIT
ZZZKSPECIFICATION/STANDARD DATA81349-MIL-M-38510/310 GOVERNMENT SPECIFICATION
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Certifications

  • AS9120:2025
  • ISO 9001:2015
  • FAA AC 00-56B
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