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FT908L-T Equivalent & Substitute Parts
Part Overview
The FT908L-T is a 32-bit single-core microcontroller from the FT90x series manufactured by Bridgetek Pte Ltd. It features 256KB FLASH program memory, 320KB RAM, and operates at 100MHz with integrated connectivity options including I2C, SPI, UART/USART, and USB. The device is packaged in an 80-LQFP (12x12) surface mount configuration.
The FT908L-T is classified as obsolete. Identifying equivalent substitute parts is necessary for ongoing system support, design updates, and procurement continuity when original inventory becomes unavailable.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Bridgetek Pte Ltd. |
| Series | FT90x |
| Core Processor | FT32 |
| Core Size | 32-Bit Single-Core |
| Speed | 100MHz |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 320K x 8 |
| Voltage Supply (Vcc/Vdd) | 2.97V ~ 3.63V |
| Number of I/O | 42 |
| Connectivity | I2C, SPI, UART/USART, USB |
| Data Converters | A/D 4x10b; D/A 2x10b |
| Peripherals | POR, PWM, WDT |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 80-LQFP (12x12) |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution eligibility for the FT908L-T is determined by strict equivalence across the following critical parameters:
- Manufacturer and Series: Bridgetek Pte Ltd. FT90x series
- Core Architecture: FT32 32-bit single-core processor
- Operating Frequency: 100MHz
- Memory Configuration: 256KB FLASH, 320KB RAM
- Voltage Supply Range: 2.97V ~ 3.63V
- I/O Count: 42 pins
- Connectivity Interfaces: I2C, SPI, UART/USART, USB
- Data Conversion Capability: A/D 4x10b, D/A 2x10b
- Peripheral Set: POR, PWM, WDT
- Package Type: 80-LQFP (12x12) surface mount
- Temperature Range: -40°C ~ 85°C
The FT908L-C-T meets all these criteria and qualifies as a direct substitute. The primary distinction is product status and packaging format.
Parameter Comparison
| Parameter | FT908L-T (Main Part) | FT908L-C-T (Substitute) |
|---|---|---|
| Manufacturer | Bridgetek Pte Ltd. | Bridgetek Pte Ltd. |
| Series | FT90x | FT90x |
| Core Processor | FT32 | FT32 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 100MHz | 100MHz |
| Program Memory Size | 256KB (256K x 8) | 256KB (256K x 8) |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 320K x 8 | 320K x 8 |
| Voltage Supply (Vcc/Vdd) | 2.97V ~ 3.63V | 2.97V ~ 3.63V |
| Number of I/O | 42 | 42 |
| Connectivity | I2C, SPI, UART/USART, USB | I2C, SPI, UART/USART, USB |
| Data Converters | A/D 4x10b; D/A 2x10b | A/D 4x10b; D/A 2x10b |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 80-LQFP (12x12) | 80-LQFP (12x12) |
| Mounting Type | Surface Mount | Surface Mount |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
| Product Status | Obsolete | Active |
| Packaging Format | Bulk | Tray |
Engineering Selection Recommendations
The FT908L-C-T is a direct functional equivalent to the FT908L-T. Both devices share identical electrical specifications, memory configuration, peripheral set, and package geometry. The FT908L-C-T is the preferred selection for new designs and ongoing procurement due to its active product status. The FT908L-T, classified as obsolete, should be reserved for legacy system maintenance only where existing inventory permits.
Both parts maintain equivalent REACH compliance status and ECCN classification, ensuring regulatory consistency across applications. The packaging format difference (bulk versus tray) reflects standard distribution practices and does not affect electrical or mechanical compatibility.
Frequently Asked Questions (FAQ)
Q: Can the FT908L-C-T replace the FT908L-T in existing designs?
A: Yes. The FT908L-C-T is electrically and mechanically identical to the FT908L-T. Pin configuration, voltage requirements, memory organization, and peripheral functionality are equivalent. Direct substitution is supported without design modification.
Q: What is the significance of the packaging format difference?
A: The FT908L-T is supplied in bulk packaging, while the FT908L-C-T is supplied in tray packaging. This distinction reflects distribution and handling practices only and does not affect component performance or compatibility.
Q: Why is the FT908L-T classified as obsolete?
A: Obsolete status indicates that the manufacturer has discontinued active production and support. The FT908L-C-T, with active product status, represents the current production equivalent and is recommended for all new applications.
Q: Are there any compliance or certification differences between these parts?
A: No. Both the FT908L-T and FT908L-C-T maintain identical REACH compliance status and ECCN classification. Regulatory requirements are equivalent.
Q: What are the critical parameters for substitution compatibility?
A: Substitution compatibility is determined by matching the FT32 core processor, 100MHz operating frequency, 256KB FLASH and 320KB RAM memory configuration, 42 I/O pins, 80-LQFP (12x12) package, and the complete connectivity and peripheral feature set. All these parameters are identical between the FT908L-T and FT908L-C-T.
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