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ABT7819A-10 512 x 18 x 2 时钟控制的双向先入先出存储器

A FIFO memory is a storage device that allows data to be written into and read from its array at independent data rates. The SN74ABT7819A is a high-speed, low-power, BiCMOS, bidirectional, clocked FIFO memory. Two independent 512 × 18 dual-port SRAM FIFOs (FIFOA, FIFOB) on the chip buffer data in opposite directions. Each FIFO has flags to indicate empty and full conditions, a half-full flag, and a programmable almost-full/almost-empty flag.

The SN74ABT7819A is a clocked FIFO, which means each port employs a synchronous interface. All data transfers through a port are gated to the low-to-high transition of a continuous (free-running) port clock by enable signals. The continuous clocks for each port are independent of one another and can be asynchronous or coincident.

ABT7819A-10
Depth 512
Width 18
Sync/Async S
Voltage Nodes(V) 5
Vcc range(V) 4.5 to 5.5
Flags Empty YES
Flags Full YES
Flags Half YES
Technology Family ABT
Output Drive(mA) -12/24
Rating Catalog
ABT7819A-10 特性
ABT7819A-10 应用技术支持与电子电路设计开发资源下载
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