The following table summarizes the supported Embedded FIFO Generator core features for each clock configuration and memory
type.
FIFO Feature | Independent Clocks | Common Clock | |||
---|---|---|---|---|---|
Block RAM | Distributed RAM | Block RAM | Distributed RAM | UltraRAM | |
Non-symmetric Aspect Ratios | ✓ | ✓ | ✓ | ||
Symmetric Aspect Ratios | ✓ | ✓ | ✓ | ✓ | ✓ |
Almost Full | ✓ | ✓ | ✓ | ✓ | ✓ |
Almost Empty | ✓ | ✓ | ✓ | ✓ | ✓ |
Handshaking | ✓ | ✓ | ✓ | ✓ | ✓ |
Data Count | ✓ | ✓ | ✓ | ✓ | |
Programmable Empty/Full Thresholds | ✓ | ✓ | ✓ | ✓ | ✓ |
First-Word Fall-Through | ✓ | ✓ | ✓ | ✓ | ✓ |
Synchronous Reset | ✓ | ✓ | ✓ | ✓ | ✓ |
dout Reset Value | ✓ | ✓ | ✓ | ✓ | ✓ |
ECC | ✓ | ✓ | ✓ | ||
Configurable Read Latency | ✓ | ✓ | ✓ | ✓ | ✓ |
Dynamic Power Saving | ✓ |