CY7C4255 Description
The CY7C4255/65 are high-speed, low-power, first-in first-out (FIFO) memories with clocked read and write interfaces. All Logic Block Diagram D0 17 INPUT REGISTER WCLK WEN WRITE CONTROL FLAG PROGRAM REGISTER RAM ARRAY 8K x 18 16K x 18 WRITE POINTER FLAG LOGIC FF EF PAE PAF SMODE READ POINTER RS RESET LOGIC FL/RT WXI WXO/HF RXI RXO EXPANSION LOGIC THREE STATE OUTPUT REGISTER OE READ CONTROL 4255 1 Q0 17 RCLK REN...
CY7C4255 Key Features
- High-speed, low-power, first-in first-out (FIFO) memories
- 8K x 18 (CY7C4255)
- 16K x 18 (CY7C4265)
- 0.5 micron CMOS for optimum speed/power
- High-speed 100-MHz operation (10 ns read/write cycle times)
- Low power
- ICC=45 mA
- Fully asynchronous and simultaneous read and write operation
- Empty, Full, Half Full, and programmable Almost Empty and Almost Full status flags
- TTL patible