The AS7C33256PFD32A and AS7C33256PFD36A 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 Dual-cycle deselect Asynchronous output enable control Available in100-pin TQFP.
Individual byte write and global write Multiple chip enables for easy expansio.
AS7C33256FT18B- 3.3V 256K x 18 Flow Through Synchronous SRAM
Full PDF Text Transcription
Click to expand full text
December 2004
®
AS7C33256PFD32A AS7C33256PFD36A
3.3V 256K × 32/36 pipelined burst synchronous SRAM
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 Dual-cycle deselect Asynchronous output enable control Available in100-pin TQFP • • • • • • • Individual byte write and global write Multiple chip enables for easy expansion Linear or interleaved burst control Snooze mode for reduced power-standby Common data inputs and data outputs 3.3V core power supply 2.5V or 3.3V I/O operation with separate VDDQ
www.DataSheet4U.