AS7C332MFT18A
AS7C332MFT18A is 3.3V 2M x 18 Flow-through synchronous SRAM manufactured by Alliance Semiconductor Corporation.
December 2004
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3.3V 2M × 18 Flow-through synchronous SRAM
Features
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- Organization: 2,097152 words × 18 bits Fast clock to data access: 7.5/8.5/10 ns Fast OE access time: 3.5/4.0 ns Fully synchronous flow-through operation Asynchronous output enable control Available in 100-pin TQFP package Individual byte write and global write
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- - 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 mon data inputs and data outputs
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Logic block diagram
CLK ADV ADSC ADSP A[20:0] CLK CS CLR
Burst logic
CS Address register CLK
19 21
2M x 18 Memory array 18 18
GWE BWb BWE BWa CE0 CE1 CE2
D DQb
CLK D DQa Q
Byte Write registers
Byte Write
CLK D registers
Enable register
CE CLK ZZ
Output registers
Input registers
Power down
D Enable Q delay...