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Product Detailed Parameters
- Description：IC FIFO 512X32 BI-DIRECTIONAL
- 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 SN74ACT3638-15PCB is a bidirectional synchronous FIFO memory IC manufactured by Texas Instruments. It features a 512 x 32 organization, providing a total storage capacity of 16,384 bits. The device operates with a cycle time of 15 ns and supports data transfer rates up to 66.7 MHz. It is housed in a 120-pin HLQFP package and functions within a supply voltage range of 4.5 V to 5.5 V. The component is designed for industrial temperature ranges from 0°C to +70°C.
Feature Summary
- Bidirectional data flow capability allowing simultaneous read and write operations
- Synchronous operation controlled by a single clock signal
- High-speed data buffering suitable for parallel bus interfaces
Applications
- Network packet processing systems
- Video frame buffering applications
- Microprocessor system data interfacing
- Audio interface data handling
Procurement Notes
Verify the specific suffix '15PCB' to confirm the 15 ns speed grade and 120-pin HLQFP package configuration. Ensure compatibility with 5V logic levels and check for RoHS compliance status as per the manufacturer's current documentation before finalizing procurement orders.
Selection Notes
Select this component when bidirectional synchronous FIFO functionality is required for high-throughput data buffering. The 512x32 depth suits applications needing moderate buffer sizes. Verify that the 120-pin footprint fits the PCB layout constraints and that the operating voltage aligns with the system's 5V power domain.
Part Context
This part belongs to the Texas Instruments SN74ACT series of advanced CMOS logic devices. The ACT series offers higher speeds and lower power consumption compared to standard LS or ALS logic families. The 3638 variant specifically addresses bidirectional FIFO requirements within this logic family portfolio.
Replacement Considerations
Check for SN74ACT3638-20PCB if a slower 20 ns cycle time is acceptable. Verify pinout compatibility with other 120-pin HLQFP FIFOs from different manufacturers before substitution.
