
Cypress Semiconductor
Functional Description
The Cypress Synchronous Burst SRAM family employs high speed, low-power CMOS designs using advanced single-layer polysilicon, triple-layer metal technology. Each memory cell consists of six transistors.
FEATUREs
• Fast clock speed: 250, 225, 200, 167 MHz
• Provide high-performance 3-1-1-1 access rate
• Fast OE access times: 2.6, 2.8, 3.0, 3.4 ns
• Optimal for depth expansion
• Single 2.5V ±5% power supply
• Common data inputs and data outputs
• Byte Write Enable and Global Write control
• Chip enable for address pipeline
• Address, data, and control registers
• Internally self-timed Write cycle
• Burst control pins (interleaved or linear burst sequence)
• Automatic power-down available using ZZ mode or CE deselect
• Available in 119-ball bump BGA, 165-ball FBGA and 100-pin TQFP packages
• JTAG boundary scan for BGA packaging version