储存器和逻辑器件

Renesas 同步 FIFO 产品是网络、视频、电信、局域网 (LAN)、数据通信及需要缓冲大量数据的其他应用的理想选择。 同步 FIFO 内存拥有时钟读写控件以及两个固定标志（空和满）和两个可编程标志（几乎空和几乎满）。 Renesas 同步 FIFO 器件可使用菊花链技术进行深度扩展。

关于同步 FIFO 器件

同步 FIFO 是一种数据缓冲器类型，其中第一个到达输入的字节将成为第一个离开输出的字节。 在计算机系统中，操作系统的算法将根据流程的接收顺序安排每个流程的 CPU 时间。 同步 FIFO 将排列数据并按顺序将其释放。

Renesas 同步 FIFO 通常用于 CPU 和其他计算机硬件的同步。 FIFO 通常按照圆形队列实施，因此具有读取和写入指针。 同步 FIFO 使用时钟进行读写，而异步 FIFO 则通常由异步信号进行控制。

选择同步 FIFO 的关键参数包括：

  • 密度： 这是指同步 FIFO 将保留在其寄存器中的位数。 Renesas 可提供最高达 18 MB 的规格。
  • 总线宽度：用于读取和写入器件的“通道”数量。 Renesas 提供所有常用配置。
  • 核心电压：用于向器件供电的电源电压。 这通常由系统中的电源轨决定。
  • I/O 电压：用于数据输入和输出的电压，在某些器件中该电压与核心电压无关。
  • I/O 频率： 时钟信号支持的频率。 Renesas 同步 FIFO 支持高达 225 MHz 的频率。

产品选型表

    Processing table
    Core Voltage (V)
    Bus Width (bits)
    Density (Kb)
    Pkg. Code
    Interface
    I/O Type
    I/O Frequency (MHz)
    Organization
    Temp. Range
    Architecture
    105°C Max. Case Temp.
    器件号
    72205
    256 x 18 SyncFIFO, 5.0V    		 5 18 4 PNG64 Synchronous 5.0 V TTL 100 256 x 18 0 to 70°C Uni-directional
    72215
    512 x 18 SyncFIFO, 5.0V    		 5 18 9 PNG64 Synchronous 5.0 V TTL 100, 66 512 x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72225
    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
    72235
    2K x 18 SyncFIFO, 5.0V    		 5 18 36 PLG68, PNG64, PPG64 Synchronous 5.0 V TTL 100, 66 2K x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72245
    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
    72255
    8K x 18 SuperSync FIFO, 5.0V    		 5 18 144 PNG64, PPG64 Synchronous 5.0 V TTL 100, 66 8K x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72261
    16K x 9 SuperSync FIFO, 5.0V    		 5 9 144 PNG64, PPG64 Synchronous 5.0 V TTL 66, 100 16K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72265
    16K x 18 SuperSync FIFO, 5.0V    		 5 18 288 PNG64, PPG64 Synchronous 5.0 V TTL 100, 66 16K x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72271
    32K x 9 SuperSync FIFO, 5.0V    		 5 9 288 PNG64 Synchronous 5.0 V TTL 100 32K x 9 0 to 70°C Uni-directional
    723624
    256 x 36 x 2 SyncBiFIFO, 5.0V    		 5 36 18 PKG128 Synchronous 5.0 V TTL 66 256 x 36 x 2 0 to 70°C Bi-directional
    723632
    512 x 36 x 2 SyncBiFIFO, 5.0V    		 5 36 36 PNG120 Synchronous 5.0 V TTL 66 512 x 36 x 2 0 to 70°C Bi-directional
    723633
    512 x 36 SyncFIFO, 5.0V    		 5 36 9 PKG128 Synchronous 5.0 V TTL 83 512 x 36 0 to 70°C Uni-directional
    723651
    2K x 36 SyncFIFO, 5.0V    		 5 36 72 PNG120 Synchronous 5.0 V TTL 50 2K x 36 -40 to 85°C Uni-directional
    72421
    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
    72T18105
    128K x 18 / 256K x 9 TeraSync FIFO, 2.5V    		 2.5 18 2048 BB240, BBG240 Synchronous 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 128K x 18, 256K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72T18115
    256K x 18 / 512K x 9 TeraSync FIFO, 2.5V    		 2.5 18 4096 BB240 Synchronous 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 256K x 18, 512K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72T18125
    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 100, 225, 200, 150 1M x 9, 512K x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72T36105
    64K x 36 TeraSync FIFO, 2.5V    		 2.5 36 2048 BB240 Synchronous 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 64K x 36 -40 to 85°C, 0 to 70°C Uni-directional
    72T36115
    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 100, 225, 200, 150 128K x 36 -40 to 85°C, 0 to 70°C Uni-directional
    72T36125
    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 100, 225, 200, 150 256K x 36 -40 to 85°C, 0 to 70°C Uni-directional
    72T72105
    64K x 72 TeraSync FIFO, 2.5V    		 2.5 72 4096 BB324, BBG324 Synchronous 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 64K x 72 -40 to 85°C, 0 to 70°C Uni-directional
    72T72115
    128K x 72 TeraSync FIFO, 2.5V    		 2.5 72 9216 BB324, BBG324 Synchronous 1.5 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 128K x 72 -40 to 85°C, 0 to 70°C Uni-directional
    72T7285
    16K x 72 TeraSync FIFO, 2.5V    		 2.5 72 1024 BB324, BBG324 Synchronous 1.5 V HSTL, 1.8 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 16K x 72 0 to 70°C Uni-directional
    72T7295
    32K x 72 TeraSync FIFO, 2.5V    		 2.5 72 2048 BB324, BBG324 Synchronous 1.5 V HSTL, 2.5 V LVTTL, 3.3 V LVTTL 100, 225, 200, 150 32K x 72 0 to 70°C Uni-directional
    72V205
    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
    72V2101
    256K x 9 SuperSync FIFO, 3.3V    		 3.3 9 2048 PNG64 Synchronous 3.3 V LVTTL 100 256K x 9 0 to 70°C Uni-directional
    72V2103
    128K x 18 / 256K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 2048 BC100, BCG100, PNG80 Synchronous 3.3 V LVTTL 66, 166, 133 128K x 18, 256K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V2105
    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
    72V2111
    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
    72V2113
    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
    72V215
    512 x 18 SyncFIFO, 3.3V    		 3.3 18 9 PPG64 Synchronous 3.3 V LVTTL 100, 66 512 x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72V221
    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
    72V223
    512 x 18 / 1K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 9 BC100 Synchronous 3.3 V LVTTL 166, 133 1K x 9, 512 x 18 0 to 70°C Uni-directional
    72V225
    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
    72V231
    2K x 9 SyncFIFO, 3.3V    		 3.3 9 18 PRG32 Synchronous 3.3 V LVTTL 100, 66 2K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V233
    1K x 18 / 2K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 18 BC100 Synchronous 3.3 V LVTTL 166, 133 1K x 18, 2K x 9 0 to 70°C Uni-directional
    72V235
    2K x 18 SyncFIFO, 3.3V    		 3.3 18 36 PNG64, PPG64 Synchronous 3.3 V LVTTL 100, 66 2K x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72V243
    2K x 18 / 4K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 36 BC100, BCG100, PNG80 Synchronous 3.3 V LVTTL 166, 133 2K x 18, 4K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V245
    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
    72V253
    4K x 18 / 8K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 72 BC100, 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
    72V255
    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
    72V261
    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
    72V263
    8K x 18 / 16K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 144 BC100, BCG100, PNG80 Synchronous 3.3 V LVTTL 166, 133 8K x 18, 16K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V265
    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
    72V271
    32K x 9 SuperSync FIFO, 3.3V    		 3.3 9 288 PNG64 Synchronous 3.3 V LVTTL 100, 66 32K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V273
    16K x 18 / 32K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 288 BC100, BCG100, PNG80 Synchronous 3.3 V LVTTL 100, 166, 133 16K x 18, 32K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V275
    32K x 18 SuperSync FIFO, 3.3V    		 3.3 18 512 PPG64 Synchronous 3.3 V LVTTL 100, 66 32K x 18 -40 to 85°C, 0 to 70°C Uni-directional
    72V281
    64K x 9 SuperSync FIFO, 3.3V    		 3.3 9 512 PNG64, PPG64 Synchronous 3.3 V LVTTL 100, 66 64K x 9 -40 to 85°C, 0 to 70°C Uni-directional
    72V283
    32K x 18 / 64K x 9 SuperSync II FIFO, 3.3V    		 3.3 18 512 BC100, 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
    72V285
    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
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    IDT Specialty Memory Products Overview
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