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Product Detailed Parameters
- Description：IC FIFO ASYNC 64X4 20CFLATPACK
- Series：-
- Mfr：Advanced Micro Devices
- Package：Bulk
- Memory Size：64 x 4
- Function：Asynchronous
- Data Rate：10MHz
- Access Time：-
- Voltage - Supply：4.5 V ~ 5.5 V
- Current - Supply (Max)：180mA
- Bus Directional：Uni-Directional
- Expansion Type：Width
- Programmable Flags Support：No
- Retransmit Capability：No
- FWFT Support：No
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：20-CFlatPack
- Supplier Device Package：20-CFlatPack
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Overview
The AMD 57401AW/883B is an asynchronous FIFO memory component manufactured by Advanced Micro Devices. It features a memory organization of 64 words by 4 bits, providing unidirectional data transfer capabilities. The device operates with a maximum data rate of 10MHz and is housed in a 20-lead CFlatPack package. It supports a supply voltage range of 4.5V to 5.5V and has a maximum supply current of 180mA. This part is classified under Logic > FIFOs Memory and is currently active.
Feature Summary
- Asynchronous operation for independent clock domains
- Unidirectional data flow architecture
- Compact 20-lead CFlatPack packaging
Applications
- Data buffering between asynchronous systems
- Interface bridging in digital logic circuits
- Temporary storage in high-speed data paths
Procurement Notes
Verify the specific suffix /883B indicates military or high-reliability grade specifications as per AMD documentation. Confirm the package type is indeed CFlatPack-20 and not a standard DIP variant. Ensure the datasheet matches the revision level for accurate electrical characteristics. Check for RoHS compliance status if required for your assembly process. Validate the manufacturer source directly from Advanced Micro Devices archives.
Selection Notes
Select this component when unidirectional asynchronous buffering is required for 4-bit wide data streams. The 64-word depth suits moderate buffer requirements without excessive latency. Consider the 10MHz speed limit against system clock frequencies. The CFlatPack package dictates PCB footprint constraints. Verify power supply stability within the 4.5V-5.5V range to ensure reliable operation.
Part Context
This part belongs to the AMD 57401 series of FIFO memories. It represents a specialized solution for data synchronization tasks in legacy or high-reliability electronic designs. The /883B designation typically aligns with MIL-STD-883 standards, indicating enhanced quality control and testing procedures compared to commercial variants.
Replacement Considerations
Direct substitutes may include other 64x4 asynchronous FIFOs from manufacturers like Texas Instruments or Xilinx. Verify pin compatibility and electrical parameters before substitution. Cross-reference the /883B reliability grade with equivalent military-grade parts from other vendors.
