
Alliance Semiconductor
Functional description
The AS7C33256PFS32A and AS7C33256PFS36A are high-performance CMOS 8-Mbit Synchronous Static Random Access Memory (SRAM) devices organized as 262,144 words x 32 or 36 bits, and incorporate a two-stage register-register pipeline for highest frequency on any given technology.
FEATUREs
• Organization: 262,144 words x 32 or 36 bits
• Fast clock speeds to 166 MHz
• Fast clock to data access: 3.5/4.0 ns
• Fast OE access time: 3.5/4.0 ns
• Fully synchronous register-to-register operation
• Single-cycle deselect
• Asynchronous output enable control
• Available in100-pin TQFP
• Individual byte write and global write
• Multiple chip enables for easy expansion
• 3.3V core power supply
• 2.5V or 3.3V I/O operation with separate VDDQ
• Linear or interleaved burst control
• Snooze mode for reduced power-standby
• Common data inputs and data outputs
• 30 mW typical standby power in power down mode