UPD4481322 Overview
The µPD4481162, µPD4481182, µPD4481322 and µPD4481362 are optimized to eliminate dead cycles for read to write, or write to read transitions. These ZEROSB static RAMs integrate unique synchronous peripheral circuitry, 2-bit burst counter and output buffer as well as SRAM core. All input registers are controlled by a positive edge of the single clock input (CLK).
UPD4481322 Key Features
- Synchronous operation
- 100 percent bus utilization
- Internally self-timed write control
- Burst read / write : Interleaved burst and linear burst sequence
- Fully registered inputs and outputs for pipelined operation
- All registers triggered off positive clock edge
- 3.3V or 2.5V LVTTL patible : All inputs and outputs
- Fast clock access time : 2.8 ns (225 MHz), 3.2 ns (200 MHz), 3.5 ns (167 MHz) , 4.2 ns (133 MHz)
- Asynchronous output enable : /G
- Burst sequence selectable : MODE