STMicroelectronics · Other integrated circuits
HCF4556BEY
IC DECODER/DEMUX 1X2:4 16DIP
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →
HCF4556BEY specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | HCF4556BEY |
| Family | Other integrated circuits |
| Package | 16-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| Type | Decoder/Demultiplexer |
| Circuit | 1 x 2:4 |
| Independent Circuits | 2 |
| Current - Output High, Low | 6.8mA, 6.8mA |
| Voltage Supply Source | Dual Supply |
| Voltage - Supply | 3V ~ 20V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP |
Documents and evidence
HCF4556BEY ↗Before sourcing HCF4556BEY
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
Questions about HCF4556BEY
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.
Continue your Other integrated circuits review
74AC00MTR14-SOIC (0.154", 3.90mm Width)
74AC00TTR14-TSSOP (0.173", 4.40mm Width)
74AC02B14-DIP (0.300", 7.62mm)
74AC02MTR14-SOIC (0.154", 3.90mm Width)
74AC02TTR14-TSSOP (0.173", 4.40mm Width)
74AC04MTR14-SOIC (0.154", 3.90mm Width)