Part A
10CL055YF484I7G
Intel
- Lifecycle
- Active
- Stock
- 1358 Stückzahl
- Package
- FBGA-484
- Series
- Embedded feFPGAs (Field Programmable Gate Array)
Replacement verdict
Compatible functional replacement candidate
The 10CL055YF484I7G and 10CL040YF484C8G share the same 484-pin FBGA package, Cyclone 10 LP device family, and 1.0 V core architecture, making them functionally interchangeable at the board level. However, the 10CL055YF484I7G offers higher logic density and a wider industrial temperature range, while the 10CL040YF484C8G provides a faster speed grade. Designers must validate logic utilization, timing closure, and thermal margins before substituting one for the other in production.
Package Type
High match
Logic Density
High match
Operating Temperature
Validation required
Speed Grade
Validation required
Parts at a glance
Part B
10CL040YF484C8G
Intel
- Lifecycle
- Active
- Stock
- 4503 Stückzahl
- Package
- FBGA-484
- Series
- Embedded feFPGAs (Field Programmable Gate Array)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | 10CL055YF484I7G | 10CL040YF484C8G | Why it matters |
|---|---|---|---|
| Logic Elements (LEs) | 55,856 | 39,600 | LE count determines the amount of programmable logic available; a design that fits in the larger device may not fit in the smaller one, so this is a primary substitutability constraint. |
| Embedded Memory (M9K blocks) | 260 | 126 | On-chip memory capacity limits buffering, FIFOs, and lookup tables; a design using more memory than the smaller device provides cannot be ported directly. |
| Total RAM Bits | 2,396,160 | 1,161,216 | Total embedded RAM bits quantify the memory resources available for data storage and processing within the FPGA fabric. |
| Embedded 18x18 Multipliers | 312 | 126 | Dedicated multipliers accelerate DSP functions; fewer multipliers may force resource sharing or prevent implementation of arithmetic-intensive designs. |
| Maximum User I/O Pins | 321 | 325 | Available I/O pins determine how many external signals the device can interface with; a mismatch can require board redesign or prevent a drop-in replacement. |
| Operating Temperature Range | -40°C to 100°C (Industrial) | 0°C to 85°C (Commercial) | Temperature grade affects reliability and suitability for the target environment; an industrial-grade part can replace a commercial one in harsher conditions, but not vice versa. |
| Speed Grade | 7 (Fastest) | 8 (Slower) | Speed grade determines maximum operating frequency and timing closure; a slower grade may not meet the timing requirements of a design targeting the faster grade. |
| Package | 484-pin FBGA | 484-pin FBGA | Package type and pin count must match for physical board compatibility; identical packages allow the same footprint to be reused. |
| Supply Voltage | 1.2 V core | 1.2 V core | Core voltage must match the board power design; identical core voltage simplifies power supply reuse. |
| Family | Cyclone 10 LP | Cyclone 10 LP | Devices from the same family share architecture, toolchain, and IP support, which simplifies migration between them. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | 10CL055YF484I7G | 10CL040YF484C8G |
|---|---|---|
| Series | Cyclone® 10 LP | Cyclone® 10 LP |
| Part Status | Active | Active |
| Number of LABs/CLBs | 3491 | 2475 |
| Number of Logic Elements/Cells | 55856 | 39600 |
| Total RAM Bits | 2396160 | 1161216 |
| Number of I/O | 321 | 325 |
| Voltage - Supply | 1.2V | 1.2V |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 100°C (TJ) | 0°C ~ 85°C (TJ) |
Frequently asked questions
What are the key differences between the 10CL055YF484I7G and the 10CL040YF484C8G?
The 10CL055YF484I7G is a Cyclone 10 LP FPGA with 55,000 logic elements and a speed grade of 7 (fastest), while the 10CL040YF484C8G has 40,000 logic elements and a speed grade of 8 (slower). Both use the same 484-pin FBGA package, but the 10CL055 offers higher logic density and faster timing performance.
Are the 10CL055YF484I7G and 10CL040YF484C8G pin-compatible?
Yes, both devices are offered in the same 484-pin FineLine BGA (FBGA) package with identical pinouts as defined by Intel (Altera) for the Cyclone 10 LP family. However, designers must verify that the specific I/O assignments and dedicated pins meet the target design requirements.
What is the operating temperature range for these two FPGAs?
Both the 10CL055YF484I7G and 10CL040YF484C8G are specified for industrial temperature range (I) per Intel Cyclone 10 LP documentation, typically -40°C to +100°C junction temperature (Tj). The "I" suffix in both part numbers confirms industrial grade.
Can the 10CL040YF484C8G be used as a drop-in replacement for the 10CL055YF484I7G?
No, they are not direct drop-in replacements. The 10CL055 has more logic elements, different embedded memory capacity, and a faster speed grade (7 vs 8). A design targeting the 10CL055 may not fit or meet timing in the 10CL040, and the speed grade difference affects timing closure. A full recompilation and timing analysis are required.
What are the speed grade implications of "7" vs "8" in these part numbers?
In Intel Cyclone 10 LP nomenclature, speed grade 7 is faster than speed grade 8. The 10CL055YF484I7G (grade 7) supports higher maximum operating frequencies and tighter timing margins compared to the 10CL040YF484C8G (grade 8). Designs requiring higher performance should use the faster speed grade.
Do both devices support the same configuration methods?
Yes, both the 10CL055YF484I7G and 10CL040YF484C8G support the same configuration schemes as part of the Cyclone 10 LP family, including active serial (AS), passive serial (PS), JTAG, and configuration via external flash. Configuration details are documented in the Intel Cyclone 10 LP Device Handbook.
What is the typical logic element (LE) count difference between these two FPGAs?
The 10CL055YF484I7G contains 55,000 logic elements, while the 10CL040YF484C8G contains 40,000 logic elements. This 15,000 LE difference affects available resources for custom logic, and designs near the 40K LE limit may not fit in the smaller device.
Are both parts RoHS compliant and lead-free?
Yes, both the 10CL055YF484I7G and 10CL040YF484C8G are RoHS-compliant and lead-free as standard Intel FPGA offerings. The "G" suffix in both part numbers indicates RoHS compliance and lead-free packaging.