Visible to Intel only — GUID: eor1501659940571
Ixiasoft
Visible to Intel only — GUID: eor1501659940571
Ixiasoft
4.4.5.1. FIFO2 Specifications
Feature | Storage Type | |
---|---|---|
M20K | MLAB | |
Error Checking and Correcting (ECC) | Always 44 | No |
Read-out Interface | Analogy to Avalon® streaming non-zero readLatency. For each r_req asserts now, r_valid shall indicate whether there is valid data to be taken (and must be taken) L clock later. L = 6 |
Analogy to Avalon® streaming non-zero readLatency For each r_req asserts now, r_valid shall indicate whether there is valid data to be taken (and must be taken) L clock later. L = 5 |
Width (bits) | There is no hard limit on user data width but the internal RAM block is always in 32b x N; where N > 0. Maximum = 4096b Default to 1. |
There is no hard limit on user data width but the internal RAM block is always in 20b x N; where N > 0. Maximum = 4080b Default to 1. |
Depth | 512 | 32 |
Depth Stitching | No, user can cascade multiple FIFOs. | No, user can cascade multiple FIFOs |
Targeted Performance | Stratix® 10, bin1 production device. 32bx512: Up to 850 MHz 512bx512: Up to 700 MHz |
Stratix® 10, bin1 production device. 20bx32: Up to 850 MHz 512bx32: Up to 700 MHz |
Almost Full | No, you can derive this from “Write Used”. | No, you can derive this from “Write Used”. |
Almost Empty | No, you can derive this from “Read Used”. | No, you can derive this from “Read Used”. |
Read Used | Yes, delayed RAM block words measurement excluding in-flight data. | Yes, delayed RAM block words measurement excluding in-flight data. |
Write Used | Yes, delayed RAM block words measurement excluding in-flight data. | Yes, delayed RAM block words measurement excluding in-flight data. |
RAM with registered read output | Always | Always |
Write full prevention | Always, based on internal almost full. | Always, based on internal almost full. |
Read empty prevention | Always | Always |
Output data initial states | Unknown | Unknown |
Reset Scheme | Contains non resettable flops, requires state flushing. | Contains non resettable flops, requires state flushing. |
RTL | Encrypted | Encrypted |