Part A
10M40DCF256A7G
訊息
- Lifecycle
- Active
- Stock
- 5210 件
- Package
- LBGA-256
- Series
- 嵌入式FPGA（現場可程式設計閘陣列）
Replacement verdict
Compatible functional replacement candidate
The 10M40DCF256C7G is a functionally compatible replacement candidate for the 10M40DCF256A7G, sharing identical logic density, package, and I/O configuration, with the primary distinction being the device speed grade and corresponding operating temperature range. Designers should validate timing margins and thermal requirements before substituting in speed-critical or temperature-sensitive applications.
Logic Density
High match
Package Type
High match
Speed Grade
Validation required
Operating Temperature
Validation required
Parts at a glance
Part B
10M40DCF256C7G
訊息
- Lifecycle
- Active
- Stock
- 8682 件
- Package
- LBGA-256
- Series
- 嵌入式FPGA（現場可程式設計閘陣列）
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | 10M40DCF256A7G | 10M40DCF256C7G | Why it matters |
|---|---|---|---|
| Family | MAX 10 FPGA | MAX 10 FPGA | Both parts belong to the same device family, so they share the same architecture, toolchain, and IP support. |
| Logic Elements (LEs) | 40000 | 40000 | Identical logic capacity means both devices can implement the same design complexity. |
| Package | 256-pin FBGA | 256-pin FBGA | Same package ensures footprint and pinout compatibility for board-level substitution. |
| Supply Voltage | 1.2 V core | 1.2 V core | Matching core voltage allows the same power delivery design to be reused. |
| Operating Temperature Range | 0°C to 85°C (commercial) | 0°C to 85°C (commercial) | Temperature grade affects reliability and suitability for different environments. |
| Speed Grade | 7 (fastest) | 7 (fastest) | Speed grade determines maximum operating frequency and timing closure margins. |
| Embedded Memory | 1260 Kbits | 1260 Kbits | Equal embedded memory supports the same on-chip buffering and storage requirements. |
| User I/O Pins | 178 | 178 | Same I/O count ensures identical interface capability and board routing options. |
| Configuration Method | Internal configuration flash | Internal configuration flash | Integrated configuration memory simplifies system design by removing external configuration devices. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | 10M40DCF256A7G | 10M40DCF256C7G |
|---|---|---|
| Supplier | - | Intel |
| Series | MAX® 10 | MAX® 10 |
| Part Status | Active | Active |
| Number of LABs/CLBs | 2500 | 2500 |
| Number of Logic Elements/Cells | 40000 | 40000 |
| Total RAM Bits | 1290240 | 1290240 |
| Number of I/O | 178 | 178 |
| Voltage - Supply | 1.15V ~ 1.25V | 1.15V ~ 1.25V |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | 0°C ~ 85°C (TJ) |
Frequently asked questions
What is the difference between the 10M40DCF256A7G and the 10M40DCF256C7G?
The primary difference is the speed grade. The 10M40DCF256A7G is specified with a speed grade of 7, while the 10M40DCF256C7G is specified with a speed grade of 7 but with a different operating temperature range. The "A" and "C" suffixes denote different temperature grades, with the "A" version typically supporting industrial temperature range and the "C" version supporting commercial temperature range, as defined in Intel/Altera MAX 10 device documentation.
Are the 10M40DCF256A7G and 10M40DCF256C7G pin-to-pin compatible?
Yes. Both devices are offered in the same 256-pin FineLine BGA (FBGA) package with identical pinouts, as they share the same device family, density, and package code. The package designator "F256" indicates a 256-ball FBGA in both part numbers.
What is the logic density of the 10M40DCF256A7G and 10M40DCF256C7G?
Both devices have a logic density of 40,000 logic elements (LEs), as indicated by the "40" in the part number. They belong to the Intel MAX 10 family of non-volatile FPGA devices.
Can the 10M40DCF256C7G be used as a direct drop-in replacement for the 10M40DCF256A7G?
Not necessarily. While both devices share the same package, pinout, and logic density, the difference in temperature grade means the 10M40DCF256C7G (commercial grade) may not meet the operating temperature requirements of a design intended for the 10M40DCF256A7G (industrial grade). The replacement is only valid if the target application operates within the commercial temperature range specified for the C-grade device.
What are the operating temperature ranges for the 10M40DCF256A7G and 10M40DCF256C7G?
Based on Intel MAX 10 device specifications, the "A" suffix in 10M40DCF256A7G indicates an industrial temperature range of -40°C to +125°C junction temperature (TJ), while the "C" suffix in 10M40DCF256C7G indicates a commercial temperature range of 0°C to +85°C junction temperature (TJ). Designers must verify the exact temperature grade from the manufacturer datasheet for their specific ordering code.
Do both the 10M40DCF256A7G and 10M40DCF256C7G support the same configuration methods?
Yes. Both devices are MAX 10 FPGAs and support the same configuration schemes, including internal configuration via on-chip flash memory, as well as external configuration through JTAG and other supported modes. The configuration method is determined by the device family and density, not by the temperature grade or speed grade suffix.
What is the speed grade of the 10M40DCF256A7G and 10M40DCF256C7G?
Both devices have a speed grade of 7, as indicated by the "7" in the part number. The speed grade defines the timing characteristics and maximum operating frequency of the device. The "G" suffix indicates RoHS compliance and lead-free packaging for both devices.