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| Part Number | SN74ACT2228DWR | SN74ACT2229DWR | SN74ACT2226DWR | SN74ACT2227DWR | SN74ACT2228DW |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Obsolete | Active |
| Memory Size | 512 (256 x 1 x 2) | 512 (256 x 1 x 2) | 128 (64 x 1 x 2) | 128 (64 x 1 x 2) | 512 (256 x 1 x 2) |
| Function | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous |
| Data Rate | 22MHz | 60MHz | 22MHz | 60MHz | 22MHz |
| Access Time | 20ns | 9ns | 20ns | 9ns | 20ns |
| Voltage - Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Current - Supply (Max) | 400µA | 400µA | 400µA | 400µA | 400µA |
| Bus Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional |
| Expansion Type | - | - | - | - | - |
| Programmable Flags Support | No | No | No | No | No |
| Retransmit Capability | No | No | No | No | No |
| FWFT Support | No | No | No | No | No |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 28-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC | 28-SOIC | 24-SOIC | 28-SOIC | 24-SOIC |
