Renesas synchronous FIFO products are ideal for network, video, telecommunications, local area networks (LANs), data communications and other applications that need to buffer large amounts of data. Synchronous FIFO memories have clocked read and write controls along with two fixed flags (empty and full) and two programmable flags (almost-empty and almost-full). Renesas synchronous FIFO devices are depth expandable using a daisy chain technique.
Synchronous FIFOs are a type of data buffer, where the first byte to arrive at the input is the first to leave at the output. In a computer system, the operating system’s algorithm schedules CPU time for each process according to the order in which it is received. A synchronous FIFO will queue the data and release it in a sequential fashion.
Renesas synchronous FIFOs are typically used for synchronization of CPU and other computer hardware. FIFOs are generally implemented as a circular queue, and thus have a read and write pointer. Synchronous FIFOs use clocks for reading and writing, while asynchronous FIFOs are usually controlled by asynchronous signals.
Key parameters for choosing a synchronous FIFO include:
Core Voltage (V) |
Bus Width (bits) |
Density (Kb) |
Pkg. Code |
Interface |
I/O Type |
I/O Frequency (MHz) |
Organization |
Temp. Range |
Architecture |
Part Status |
105°C Max. Case Temp. |
Price (USD) | 1ku |
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Part Number | |||||||||||||
1K x 18 SyncFIFO, 5.0V | 5 | 18 | 18 | PNG64, PPG64 | Synchronous | 5.0 V TTL | 100, 66 | 1K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 26.82 | |
4K x 18 SyncFIFO, 5.0V | 5 | 18 | 64 | PNG64 | Synchronous | 5.0 V TTL | 100 | 4K x 18 | 0 to 70°C | Uni-directional | Active | 30.82 | |
8K x 18 SuperSync FIFO, 5.0V | 5 | 18 | 144 | PPG64 | Synchronous | 5.0 V TTL | 100 | 8K x 18 | 0 to 70°C | Uni-directional | Active | ||
16K x 18 SuperSync FIFO, 5.0V | 5 | 18 | 288 | PNG64 | Synchronous | 5.0 V TTL | 66 | 16K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 73.85 | |
64 x 9 SyncFIFO, 5.0V | 5 | 9 | 1 | PR32 | Synchronous | 5.0 V TTL | 100 | 64 x 9 | 0 to 70°C | Uni-directional | Active | ||
128K x 18 / 256K x 9 TeraSync FIFO, 2.5V | 2.5 | 18 | 2048 | BBG240 | Synchronous | 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL | 225 | 128K x 18, 256K x 9 | -40 to 85°C | Uni-directional | Active | 181.43 | |
512K x 18 / 1M x 9 TeraSync FIFO, 2.5V | 2.5 | 18 | 9216 | BB240, BBG240 | Synchronous | 1.5 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL | 225, 200 | 1M x 9, 512K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 266.57 | |
128K x 36 TeraSync FIFO, 2.5V | 2.5 | 36 | 4096 | BB240 | Synchronous | 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL | 200 | 128K x 36 | -40 to 85°C | Uni-directional | Active | 233.14 | |
256K x 36 TeraSync FIFO, 2.5V | 2.5 | 36 | 9216 | BB240, BBG240 | Synchronous | 1.5 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL | 225, 200 | 256K x 36 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 266.57 | |
128K x 72 TeraSync FIFO, 2.5V | 2.5 | 72 | 9216 | BBG324 | Synchronous | 1.5 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL | 200, 225 | 128K x 72 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 293.22 | |
16K x 72 TeraSync FIFO, 2.5V | 2.5 | 72 | 1024 | BBG324 | Synchronous | 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL | 225 | 16K x 72 | 0 to 70°C | Uni-directional | Active | 205.82 | |
256 x 18 SyncFIFO, 3.3V | 3.3 | 18 | 4 | PNG64, PPG64 | Synchronous | 3.3 V LVTTL | 100, 66 | 256 x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 20.81 | |
128K x 18 / 256K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 2048 | BCG100, PNG80 | Synchronous | 3.3 V LVTTL | 66, 166 | 128K x 18, 256K x 9 | 0 to 70°C | Uni-directional | Active | 107.65 | |
256K x 18 SuperSync FIFO, 3.3V | 3.3 | 18 | 4096 | PNG64 | Synchronous | 3.3 V LVTTL | 100, 66 | 256K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 185.24 | |
512K x 9 SuperSync FIFO, 3.3V | 3.3 | 9 | 4096 | PNG64 | Synchronous | 3.3 V LVTTL | 100, 66 | 512K x 9 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 185.24 | |
256K x 18 / 512K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 4096 | BC100, BCG100, PNG80 | Synchronous | 3.3 V LVTTL | 166, 133 | 256K x 18, 512K x 9 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 193.63 | |
512 x 18 SyncFIFO, 3.3V | 3.3 | 18 | 9 | PPG64 | Synchronous | 3.3 V LVTTL | 100 | 512 x 18 | 0 to 70°C | Uni-directional | Active | 22.57 | |
1K x 9 SyncFIFO, 3.3V | 3.3 | 9 | 9 | PRG32 | Synchronous | 3.3 V LVTTL | 66 | 1K x 9 | -40 to 85°C | Uni-directional | Active | ||
1K x 18 SyncFIFO, 3.3V | 3.3 | 18 | 18 | PNG64, PPG64 | Synchronous | 3.3 V LVTTL | 100 | 1K x 18 | 0 to 70°C | Uni-directional | Active | 27.56 | |
2K x 9 SyncFIFO, 3.3V | 3.3 | 9 | 18 | PRG32 | Synchronous | 3.3 V LVTTL | 66 | 2K x 9 | -40 to 85°C | Uni-directional | Active | 27.56 | |
2K x 18 / 4K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 36 | BCG100 | Synchronous | 3.3 V LVTTL | 166 | 2K x 18, 4K x 9 | 0 to 70°C | Uni-directional | Active | ||
4K x 18 SyncFIFO, 3.3V | 3.3 | 18 | 72 | PNG64, PPG64 | Synchronous | 3.3 V LVTTL | 100, 66 | 4K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 34.46 | |
4K x 18 / 8K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 72 | BCG100, PNG80 | Synchronous | 3.3 V LVTTL | 166, 133 | 4K x 18, 8K x 9 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 47.9 | |
8K x 18 SuperSync FIFO, 3.3V | 3.3 | 18 | 144 | PNG64, PPG64 | Synchronous | 3.3 V LVTTL | 100, 66 | 8K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 56.93 | |
16K x 9 SuperSync FIFO, 3.3V | 3.3 | 9 | 144 | PPG64 | Synchronous | 3.3 V LVTTL | 100 | 16K x 9 | 0 to 70°C | Uni-directional | Active | 57.82 | |
8K x 18 / 16K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 144 | PNG80 | Synchronous | 3.3 V LVTTL | 166 | 8K x 18, 16K x 9 | 0 to 70°C | Uni-directional | Active | 63.73 | |
16K x 18 SuperSync FIFO, 3.3V | 3.3 | 18 | 288 | PNG64, PPG64 | Synchronous | 3.3 V LVTTL | 100, 66 | 16K x 18 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 72.67 | |
16K x 18 / 32K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 288 | PNG80 | Synchronous | 3.3 V LVTTL | 100, 166 | 16K x 18, 32K x 9 | 0 to 70°C | Uni-directional | Active | 74.36 | |
32K x 18 SuperSync FIFO, 3.3V | 3.3 | 18 | 512 | PPG64 | Synchronous | 3.3 V LVTTL | 66 | 32K x 18 | -40 to 85°C | Uni-directional | Active | 94.2 | |
64K x 9 SuperSync FIFO, 3.3V | 3.3 | 9 | 512 | PNG64, PPG64 | Synchronous | 3.3 V LVTTL | 66 | 64K x 9 | -40 to 85°C | Uni-directional | Active | 94.2 | |
32K x 18 / 64K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 512 | BCG100, PNG80 | Synchronous | 3.3 V LVTTL | 166, 133 | 32K x 18, 64K x 9 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 115.37 | |
64K x 18 SuperSync FIFO, 3.3V | 3.3 | 18 | 1024 | PPG64 | Synchronous | 3.3 V LVTTL | 100 | 64K x 18 | 0 to 70°C | Uni-directional | Active | ||
64K x 18 / 128K x 9 SuperSync II FIFO, 3.3V | 3.3 | 18 | 1024 | BC100, PNG80 | Synchronous | 3.3 V LVTTL | 166, 133 | 64K x 18, 128K x 9 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 132.62 | |
64K x 36 SuperSync II FIFO, 3.3V | 3.3 | 36 | 2048 | PKG128 | Synchronous | 3.3 V LVTTL | 133 | 64K x 36 | -40 to 85°C | Uni-directional | Active | 145.89 | |
128K x 36 SuperSync II FIFO, 3.3V | 3.3 | 36 | 4096 | PKG128 | Synchronous | 3.3 V LVTTL | 166, 133 | 128K x 36 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 209.91 | |
4K x 36 SuperSync II FIFO, 3.3V | 3.3 | 36 | 144 | PKG128 | Synchronous | 3.3 V LVTTL | 166, 133 | 4K x 36 | -40 to 85°C, 0 to 70°C | Uni-directional | Active | 67.2 | |
8K x 36 SuperSync II FIFO, 3.3V | 3.3 | 36 | 288 | PKG128 | Synchronous | 3.3 V LVTTL | 100 | 8K x 36 | 0 to 70°C | Uni-directional | Active | 95.54 | |
16K x 36 SuperSync II FIFO, 3.3V | 3.3 | 36 | 512 | PKG128 | Synchronous | 3.3 V LVTTL | 133 | 16K x 36 | -40 to 85°C | Uni-directional | Active | 118.57 | |
8K x 9 DualSync FIFO, 3.3V | 3.3 | 9 | 72 | PNG64 | Synchronous | 3.3 V LVTTL | 100 | 8K x 9 | 0 to 70°C | Dual FIFO | Active | 63.71 |