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  • The 54AC and 54ACT series represent over 60 product types with different high-speed CMOS functions, specifically designed to meet the radiation requirements of the aerospace industry. They include a large set of gates, flip-flops, multiplexers, counters, bus interfaces, and several other functions. Their radiation hardness, immunity from single event latch-up (SEL) and single event upset (SEU), and housing in hermetic packages make them suitable for the most difficult environmental conditions. STMicroelectronics guarantees full compliance of qualified parts with SMD specifications.

    Key Features

    • AC: 2 to 6 V operating voltage
    • ACT: 4.5 to 5.5 V operating voltage
    • High speed TPD = 4.5 ns (typ.)
    • Low DC power dissipation: 8 μA max.
    • Symmetrical 24 mA output characteristics
    • High noise immunity: 28% of min. VCC
    • Balanced propagation delays
    • Improved electrical latch-up immunity
    • Controlled rise and fall times
    • Operating temperature: - 55 to 150 °C
    • Hermetic packages
    • Rad-hard: 300 krad TID at any Mil1019 dose rates
    • SEL immune to 110 MeV/cm²/mg LET ions
    • RHA QML-V qualified
    • SMD (standard microcircuit drawing) available on DLA website for each part
    • Same die and electrical specification for engineering and flight models

Sample & Buy

Part Number
Marketing Status
SMD PIN/Detailed Spec
Quality Level
EPPL
Other (comments)
Hi-Rel Package
Lead Finish
Packing Type
More info
Order from Distributors
Order from ST
RHFAC273D04V
Active
- - - - - - Carrier Tape
MORE INFO

Package: Product Marking:

-

Mass (gr):

-

ECCN (US):

EAR99

Country of Origin:

FRANCE

No availability of distributors reported, please contact our sales office
RHFAC273K01V
Active
5962F8775601VXC QML-V Flight true - Flat-20 Gold Carrier Tape
MORE INFO

Package: Product Marking:

5962F8775601VXC

Mass (gr):

0.9

ECCN (US):

EAR99

Country of Origin:

FRANCE

No availability of distributors reported, please contact our sales office
RHFAC273K02V
Active
5962F8775601VXA QML-V Flight true - Flat-20 Solder Dip Carrier Tape
MORE INFO

Package: Product Marking:

5962F8775601VXA

Mass (gr):

0.9

ECCN (US):

EAR99

Country of Origin:

FRANCE

No availability of distributors reported, please contact our sales office
RHFAC273K1
Active
- Engineering Model - - Flat-20 Gold Carrier Tape
MORE INFO

Package: Product Marking:

RHFAC273K1

Mass (gr):

0.9

ECCN (US):

EAR99

Country of Origin:

FRANCE

No availability of distributors reported, please contact our sales office

RHFAC273D04V

Marketing Status

Active

SMD PIN/Detailed Spec

-

Quality Level

-

EPPL

-

Other (comments)

-

Hi-Rel Package

-

Lead Finish

-

Packing Type

Carrier Tape

Package: Product Marking

-

Mass (gr)

-

ECCN (US)

EAR99

Country of Origin

FRANCE

RHFAC273K01V

Marketing Status

Active

SMD PIN/Detailed Spec

5962F8775601VXC

Quality Level

QML-V Flight

EPPL

true

Other (comments)

-

Hi-Rel Package

Flat-20

Lead Finish

Gold

Packing Type

Carrier Tape

Package: Product Marking

5962F8775601VXC

Mass (gr)

0.9

ECCN (US)

EAR99

Country of Origin

FRANCE

RHFAC273K02V

Marketing Status

Active

SMD PIN/Detailed Spec

5962F8775601VXA

Quality Level

QML-V Flight

EPPL

true

Other (comments)

-

Hi-Rel Package

Flat-20

Lead Finish

Solder Dip

Packing Type

Carrier Tape

Package: Product Marking

5962F8775601VXA

Mass (gr)

0.9

ECCN (US)

EAR99

Country of Origin

FRANCE

RHFAC273K1

Marketing Status

Active

SMD PIN/Detailed Spec

-

Quality Level

Engineering Model

EPPL

-

Other (comments)

-

Hi-Rel Package

Flat-20

Lead Finish

Gold

Packing Type

Carrier Tape

Package: Product Marking

RHFAC273K1

Mass (gr)

0.9

ECCN (US)

EAR99

Country of Origin

FRANCE

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DB0998
      Rad-hard advanced high-speed 5 V CMOS logic series
      8.0
      616.37 KB
      PDF
      DB0998

      Rad-hard advanced high-speed 5 V CMOS logic series

    • Description Version Size Action
      TN0995
      54AC273 radiation report
      1.2
      1.73 MB
      PDF
      TN1190
      Additional 100 krad specification for M54HCxx and M54HCTxx series products
      2.3
      182.51 KB
      PDF
      TN1181
      Engineering Model quality level
      2.1
      371.75 KB
      PDF
      TN1292
      M54HCxx and M54HCTxx series 100 krad(Si) versions
      1.0
      130.92 KB
      PDF
      TN0985
      “Class S equivalent” for CMOS4000B and 54HCMOS series
      7.0
      819.67 KB
      PDF
      TN0995

      54AC273 radiation report

      TN1190

      Additional 100 krad specification for M54HCxx and M54HCTxx series products

      TN1181

      Engineering Model quality level

      TN1292

      M54HCxx and M54HCTxx series 100 krad(Si) versions

      TN0985

      “Class S equivalent” for CMOS4000B and 54HCMOS series

Publications and Collaterals

    • Description Version Size Action
      Aerospace and Hi-rel - ESCC, JANS & QML products 1.0
      5.08 MB
      PDF

      Aerospace and Hi-rel - ESCC, JANS & QML products

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
RHFAC273D04V
Active
DIL20 FP Industrial N/A
RHFAC273K01V
Active
FLAT20 QML FP Industrial N/A
RHFAC273K02V
Active
FLAT20 QML FP Industrial N/A
RHFAC273K1
Active
FLAT20 QML EM Industrial N/A

RHFAC273D04V

Package:

DIL20 FP

Material Declaration**:

Marketing Status

Active

Package

DIL20 FP

Grade

Industrial

RoHS Compliance Grade

N/A

RHFAC273K01V

Package:

FLAT20 QML FP

Material Declaration**:

Marketing Status

Active

Package

FLAT20 QML FP

Grade

Industrial

RoHS Compliance Grade

N/A

RHFAC273K02V

Package:

FLAT20 QML FP

Material Declaration**:

Marketing Status

Active

Package

FLAT20 QML FP

Grade

Industrial

RoHS Compliance Grade

N/A

RHFAC273K1

Package:

FLAT20 QML EM

Material Declaration**:

Marketing Status

Active

Package

FLAT20 QML EM

Grade

Industrial

RoHS Compliance Grade

N/A

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.