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Product Detailed Parameters
- Description：IC FIFO ASYNC 64X5 20DIP
- Series：-
- Mfr：Advanced Micro Devices
- Package：Bulk
- Memory Size：64 x 5
- Function：Asynchronous
- Data Rate：15MHz
- Access Time：-
- Voltage - Supply：4.5 V ~ 5.5 V
- Current - Supply (Max)：45mA
- Bus Directional：Uni-Directional
- Expansion Type：Depth, Width
- Programmable Flags Support：No
- Retransmit Capability：No
- FWFT Support：No
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Through Hole
- Package / Case：20-DIP
- Supplier Device Package：20-PDIP
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Overview
The 67C402-15N is an asynchronous FIFO memory component manufactured by Advanced Micro Devices. It features a memory organization of 64 x 5 bits, providing unidirectional data buffering capabilities. The device operates with a maximum data rate of 15MHz and requires a supply voltage range of 4.5 V to 5.5 V. Maximum supply current is specified at 45mA. It is housed in a 20-pin dual in-line package (PDIP).
Feature Summary
- Asynchronous operation for independent read and write clock domains.
- Unidirectional data flow architecture.
- Standard TTL-compatible logic levels.
Applications
- Data buffering between microprocessors and peripheral devices.
- Interface bridging between systems operating at different clock speeds.
- Temporary storage in high-speed digital signal processing chains.
Procurement Notes
Verify the specific manufacturer designation, as some listings reference Advanced Micro Lites or similar variants. Confirm the package type is 20-PDIP and check RoHS compliance status, as older AMD stock may differ from modern equivalents. Ensure the datasheet matches the exact suffix -15N for timing specifications.
Selection Notes
Select this component when unidirectional asynchronous buffering is required for 5-bit wide data paths. Verify that the 15MHz speed rating meets system timing requirements. Consider the 20-PDIP package constraints for PCB layout and thermal management compared to surface-mount alternatives.
Part Context
This part belongs to the 67C40x series of asynchronous FIFOs from Advanced Micro Devices. These components were widely used in legacy computing and industrial control systems before the prevalence of synchronous FIFOs and FPGA-based solutions. The series typically offers various depth and width configurations.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing with generic asynchronous FIFOs requires careful verification of pin compatibility and electrical characteristics.
