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Product Detailed Parameters
- Description：IC FIFO 2KX36 11NS
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Memory Size：-
- Function：-
- Data Rate：-
- Access Time：-
- Voltage - Supply：-
- Current - Supply (Max)：-
- Bus Directional：-
- Expansion Type：-
- Programmable Flags Support：-
- Retransmit Capability：-
- FWFT Support：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The SN74ACT3651-20PBC is a synchronous First-In-First-Out (FIFO) memory integrated circuit manufactured by Texas Instruments. It provides a storage capacity of 2K x 36 bits, totaling 72 kilobits. The device operates with a maximum propagation delay of 11 nanoseconds, ensuring high-speed data handling capabilities. It is housed in a 120-pin Plastic Leaded Chip Carrier (PLCC) package, suitable for surface-mount applications requiring dense pin configurations.
Feature Summary
- Synchronous FIFO architecture for reliable data buffering
- Wide 36-bit data path width
- High-speed operation with low propagation delay
- Integrated status flags for empty and full conditions
Applications
- Data buffering between asynchronous clock domains
- Interface bridging in high-speed digital systems
- Temporary storage in communication protocols
- Signal processing pipeline staging
Procurement Notes
Verify the specific suffix 'PBC' against official Texas Instruments documentation to confirm the exact package type and tape/reel specifications. Ensure compatibility with existing PCB footprints for the 120-pin PLCC configuration. Check for end-of-life status or obsolescence notices from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a wide 36-bit data interface is required alongside synchronous FIFO functionality. Consider the 11ns speed grade if system timing margins are tight. Evaluate the 120-pin PLCC package constraints against available board space and assembly equipment capabilities compared to alternative pin-count options.
Part Context
This part belongs to the SN74ACT series of logic devices, designed for advanced CMOS technology. It serves as a specialized memory solution within the broader family of Texas Instruments logic ICs, offering dedicated FIFO capabilities rather than general-purpose logic functions.
Replacement Considerations
Consult official substitution guides for equivalent parts such as the SN74ACT3651-15 variants for different speed grades. Verify pinout compatibility before replacing with other 120-pin FIFO memories.
