AS7C33512PFD18A
AS7C33512PFD18A is 3.3V 512K x 18 pipeline burst synchronous SRAM manufactured by Alliance Semiconductor Corporation.
Features
- Organization: 524,288 words × 18 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 ..
- Individual byte write and global write
- Available in 100-pin TQFP package
- -
- -
- -
- Linear or interleaved burst control Snooze mode for reduced power-standby mon data inputs and data outputs Byte write enables Multiple chip enables for easy expansion 3.3V core power supply 2.5V or 3.3V I/O operation with separate VDDQ
Logic block diagram
CLK ADV ADSC ADSP A[18:0] CLK CS CLR
Burst logic 19 17 19
Q D CS Address register CLK
512K × 18 Memory array 18 18
GWE BWb BWE BWa CE0 CE1 CE2
D DQb
CLK D DQa Q
Byte Write registers
Byte Write registers
CLK D
CE CLK ZZ
Enable register
Output registers
Input registers
Power down
D Enable Q delay register
CLK...