SN74ACT7813_TI 64 x 18 同步 FIFO 存储器

SN74ACT7813的基本参数

制造厂商：TI
产品类别：逻辑和电压转换
技术类目：专用逻辑 IC - FIFO 内存 IC
功能描述：64 x 18 同步 FIFO 存储器
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SN74ACT7813的产品详情：

The SN74ACT7813 is a 64-word × 18-bit FIFO suited for buffering asynchronous datapaths up to 67-MHz clock rates and 12-ns access times. Two

devices can be configured for bidirectional data buffering without additional logic. Multiple distributed V_CC and GND pins, along with Texas Instruments patented output edge control (OEC^TM) circuit, dampen simultaneous switching noise.

The write clock (WRTCLK) and read clock (RDCLK) are free running and can be asynchronous or coincident. Data is written to memory on the rising edge of WRTCLK when WRTEN1 is high, WRTEN2\ is low, and input ready (IR) is high. Data is read from memory on the rising edge of RDCLK when RDEN\, OE1\, and OE2\ are low and output ready (OR) is high. The first word written to memory is clocked through to the output buffer regardless of the RDEN\, OE1\, and OE2\ levels. The OR flag indicates that valid data is present on the output buffer.

The FIFO can be reset asynchronously to WRTCLK and RDCLK. RESET\ must be asserted while at least four WRTCLK and four RDCLK rising edges occur to clear the synchronizing registers. Resetting the FIFO initializes the IR, OR, and half-full (HF) flags low and the almost-full/almost-empty (AF/AE) flag high. The FIFO must be reset upon power up.

The SN74ACT7813 is characterized for operation from 0°C to 70°C.

SN74ACT7813的优势和特性：

Member of the Texas Instruments WidebusTM Family
Free-Running Read and Write Clocks Can Be Asynchronous or Coincident
Read and Write Operations Synchronized to Independent System Clocks
Input-Ready Flag Synchronized to Write Clock
Output-Ready Flag Synchronized to Read Clock
64 Words by 18 Bits
Low-Power Advanced CMOS Technology
Half-Full Flag and Programmable Almost-Full/Almost-Empty Flag
Bidirectional Configuration and Width Expansion Without Additional Logic
Fast Access Times of 12 ns With a 50-pF Load and All Data Outputs Switching Simultaneously
Data Rates up to 67 MHz
Pin-to-Pin Compatible With SN74ACT7803 and SN74ACT7805
Packaged in Shrink Small-Outline 300-mil Package Using 25-mil Center-to-Center Spacing
Widebus and OEC are trademarks of Texas Instruments Incorporated.

SN74ACT7813的参数（英文）：

Supply voltage (Min) (V)
4.5
Supply voltage (Max) (V)
5.5
Input type
TTL-Compatible CMOS
Output type
3-State
Clock Frequency (Max) (MHz)
67
Features
Programmable Flags, Unidirectional

SN74ACT7813具体的完整产品型号参数及价格（美元）：

SN74ACT7813的完整型号有：SN74ACT7813-15DL、SN74ACT7813-20DL，以下是这些产品的关键参数及官网采购报价：

SN74ACT7813-15DL，工作温度：0 to 70，封装：SSOP (DL)-56，包装数量MPQ：20个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74ACT7813-15DL的批量USD价格：6.699（1000+）

SN74ACT7813-20DL，工作温度：0 to 70，封装：SSOP (DL)-56，包装数量MPQ：20个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74ACT7813-20DL的批量USD价格：6.316（1000+）

SN74ACT7813的评估套件：

SN74ACT7813的电路图解：

SN74ACT7813的评估套件：