HCC4514BDG STMicroelectronics Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The HCC4514BDG is a radiation-hardened 4-bit latch with 4-to-16 line decoder from STMicroelectronics in a ceramic DIP-24 package. It provides 16 active-high decoded outputs and latched inputs for reliable operation in space and high-reliability industrial environments.
- Manufacturer
- STMicroelectronics
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- HCC4514BDG Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Radiation-hardened 4-to-16 line decoder for space and hi-rel applications
- 4-bit latched input captures address data before decoding
- 16 active-high decoded outputs covering all input combinations
- Ceramic metal-sealed DIP-24 package for hermetic environmental protection
- Part of the CMOS 4000-series family for broad compatibility
- Designed for high-reliability environments with extended operating temperature range
Applications
The HCC4514BDG is used in satellite systems, aerospace avionics, and military electronics where radiation-hardened CMOS logic with hermetic packaging is mandatory. Its 4-to-16 decoder function supports address demultiplexing and memory bank selection in rad-hard digital subsystems. Industrial equipment requiring high-reliability decoding in harsh environments also benefits from the ceramic sealed package construction.
Specifications
| Manufacturer Package Code | DIL24 large FP |
| YTEOL | 5 |
| Family | 4000/14000/40000 |
| Input Conditioning | LATCHED |
| JESD-30 Code | R-CDIP-T24 |
| Logic IC Type | 4-LINE TO 16-LINE DECODER |
| Number of Functions | 1 |
| Output Polarity | TRUE |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Supply Voltage-Max (Vsup) | 15V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | DUAL |
| Total Dose | 100k Rad(Si) V |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | France |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What makes HCC4514BDG suitable for space and satellite applications compared to standard CMOS decoders?
The HCC4514BDG is radiation-hardened, meaning it tolerates cumulative ionizing dose and single-event effects encountered in space orbits. Its ceramic metal-sealed DIP-24 package with 24 pins provides hermetic protection against moisture and outgassing, mandatory for satellite and aerospace avionics requiring long operational lifetimes.
How does the 4-bit latch in HCC4514BDG improve system design in noisy environments?
The integrated 4-bit latch allows HCC4514BDG to capture and hold the 4-bit address input before driving the 16 decoded outputs, preventing glitches caused by input transitions from propagating to downstream logic. This is especially useful in address-decoding circuits where bus settling times exceed a few nanoseconds.
Which package and pin count does HCC4514BDG use, and how does this affect PCB footprint planning?
HCC4514BDG comes in a ceramic metal-sealed DIP-24 package with 24 pins in a through-hole configuration. The 0.6-inch wide ceramic body requires a larger PCB footprint than modern SMT packages, but provides superior hermeticity for high-reliability designs where rework is not feasible after sealing.
What output polarity does HCC4514BDG use, and when should designers choose it over an active-low decoder?
HCC4514BDG drives its 16 outputs active-high (true polarity). Designers should choose this part when the downstream logic, memory chips, or enable inputs require a high-asserted select signal. For active-low select lines, a complementary decoder variant with inverted outputs would be the appropriate 16-output alternative to consider.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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