Altera KU81C51SLAH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.21 | $9.21 |
| 15+ | $8.91 | $133.65 |
| 25+ | $8.72 | $218.00 |
| 50+ | $8.24 | $412.00 |
| 100+ | $7.27 | $727.00 |
| N+ | $1.45 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Altera |
| Product Series | |
| Packaging | Bulk | |
| Core Processor | 87C51 |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | UART/USART |
| Peripherals | LED |
| Number of I/O | 24 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | ROM |
| EEPROM Size | - |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Data Converters | A/D 4x8b SAR |
| Oscillator Type | External, Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 100-PQFP |
| Package / Case | 100-QFP Bumpered |
The KU81C51SLAH is a high-performance 8-bit microcontroller from Altera, built around the proven 87C51 core. It operates at speeds up to 16MHz and supports a wide supply voltage range of 3V to 5.5V, making it flexible for various power designs. With 16KB of program memory and 256 bytes of RAM, it provides ample resources for control applications. The 100-QFP Bumpered package ensures robust mounting in demanding environments.
- Wide Voltage Range (3V-5.5V): Simplifies power supply design and supports both 3.3V and 5V logic systems.
- Integrated LED Driver: Reduces external components and BOM cost for display applications.
- Proven 87C51 Core: Extensive development tools and code examples are available, accelerating time-to-market.
- Industrial Temperature Range (0-70°C): Reliable operation in typical commercial and light industrial environments.
Industrial Control Panels
With a 16MHz 87C51 core and 16KB flash, it handles real-time control loops and interface logic in industrial equipment.
LED Display Systems
The integrated LED feature simplifies driving indicator arrays and seven-segment displays without external shift registers.
Embedded Data Acquisition
Its 256-byte RAM and 5.5V supply support simple sensor interfacing and data logging in low-power instrumentation.
Automotive Aftermarket Modules
Operates reliably from 0°C to 70°C, suitable for non-critical automotive add-on modules like lighting controllers.
Legacy System Replacement
Drop-in upgrade for existing 87C51 designs, offering the same pinout and instruction set with modern availability.
Prototyping and Education
Ideal for teaching microcontroller fundamentals due to its simple architecture and wide voltage tolerance.
- Q: What is the core processor of the KU81C51SLAH?
- A: It uses the Intel 87C51 core, operating at up to 16MHz.
- Q: What is the program memory size?
- A: It has 16KB (16K x 8) of program memory and 256 x 8 bytes of RAM.
- Q: What is the operating temperature range?
- A: It operates from 0°C to 70°C (TA).
- Q: What package is available?
- A: It comes in a 100-QFP Bumpered package.
KU81C51SLAH.pdf
- Q: What is the core processor of the KU81C51SLAH?
- A: It uses the Intel 87C51 core, operating at up to 16MHz.
- Q: What is the program memory size?
- A: It has 16KB (16K x 8) of program memory and 256 x 8 bytes of RAM.
- Q: What is the operating temperature range?
- A: It operates from 0°C to 70°C (TA).
- Q: What package is available?
- A: It comes in a 100-QFP Bumpered package.
