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PIC16C55T-10E/SS Equivalent & Substitute Parts
Part Overview
The PIC16C55T-10E/SS is an 8-bit microcontroller from Microchip Technology's PIC® 16C series, designed for embedded applications requiring low-cost, compact solutions. This device features 768B of OTP (One-Time Programmable) memory, 25 x 8 bytes of RAM, and operates at 10MHz with a 4.5V to 5.5V supply voltage. The component is housed in a 28-SSOP surface mount package with 20 I/O pins and includes integrated Power-On Reset (POR) and Watchdog Timer (WDT) peripherals.
The PIC16C55T-10E/SS is classified as obsolete. Finding equivalent or substitute parts is necessary for legacy system maintenance, design updates, or when original inventory becomes unavailable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Speed | 10MHz |
| Program Memory Size | 768B (512 x 12) |
| Program Memory Type | OTP |
| RAM Size | 25 x 8 |
| Number of I/O | 20 |
| Voltage Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package | 28-SSOP |
| Peripherals | POR, WDT |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution for the PIC16C55T-10E/SS is determined by strict alignment of the following critical parameters:
- Core Architecture: PIC 8-bit processor family
- Program Memory: 768B OTP capacity
- RAM Configuration: 25 x 8 bytes
- Operating Speed: 10MHz maximum frequency
- I/O Count: 20 pins minimum
- Supply Voltage: 4.5V to 5.5V compatibility
- Operating Temperature Range: -40°C to 125°C
- Package Type: 28-SSOP surface mount
- Peripheral Set: POR and WDT functionality
No substitute parts have been identified for this component based on the provided input data. The PIC16C55T-10E/SS represents a specific configuration within the PIC® 16C microcontroller family, and direct equivalents with identical memory, speed, and package specifications are not available in the current dataset.
Parameter Comparison
No substitute parts are available for comparison at this time.
Engineering Selection Recommendations
For applications currently using the PIC16C55T-10E/SS, the following considerations apply:
Product Status Impact: The obsolete classification of this component necessitates evaluation of alternative solutions for new designs or long-term production requirements.
Compliance Continuity: The PIC16C55T-10E/SS maintains ROHS3 compliance and REACH unaffected status. Any replacement component should maintain equivalent compliance certifications to ensure regulatory alignment.
Legacy System Support: Existing designs utilizing this microcontroller may continue operation with available inventory. For system redesigns, evaluation of current-generation PIC microcontroller families with comparable or enhanced specifications is recommended based on specific application requirements.
Frequently Asked Questions (FAQ)
Q: What makes a part a valid substitute for the PIC16C55T-10E/SS?
A: A valid substitute must match the core architecture (PIC 8-bit), program memory capacity (768B OTP), RAM size (25 x 8), operating speed (10MHz), I/O pin count (20), supply voltage range (4.5V–5.5V), temperature range (-40°C to 125°C), and package type (28-SSOP).
Q: Why is the PIC16C55T-10E/SS classified as obsolete?
A: Obsolete status indicates that Microchip Technology has discontinued production and support for this component. This is typical for older microcontroller families as newer architectures with enhanced capabilities become available.
Q: Can I use a different package variant of the PIC16C55?
A: Package type is a critical substitution parameter. The 28-SSOP package is specific to this device. Different package variants (such as DIP or PLCC) would require PCB redesign and are not considered direct substitutes.
Q: What should I do if I need to replace this microcontroller in production?
A: Evaluate current-generation PIC microcontroller families from Microchip Technology that offer equivalent or superior specifications. Ensure functional compatibility with your application's memory, speed, I/O, and peripheral requirements before implementation.
Q: Is the PIC16C55T-10E/SS still available for purchase?
A: Availability depends on distributor inventory. Current stock levels may be limited due to obsolete status. Contact authorized Microchip distributors for availability and lead time information.
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