A3S56D30FTP A3S56D40FTP 256M Double Data Rate Synchronous DRAM 256Mb DDR SDRAM Specification A3S56D30FTP A3S56D40FTP Zentel Electronics Corp.
Revision 1.
3 Apr.
, 2010 A3S56D30FTP A3S56D40FTP 256M Double Data Rate Synchronous DRAM DESCRIPTION A3S56D30FTP is a 4-bank x 8,388,608-word x 8bit, A3S56D40FTP is a 4-bank x 4,194,304-word x 16bit double data rate synchronous DRAM , with SSTL_2 interface.
All control and address signals are referenced to the rising edge of CLK.
Input data is registered on both edges of data strobe ,and output data and data strobe are referenced on both edges of CLK.
The A3S56D30/40FTP achieves very high speed clock rate up to 250 MHz .
FEATURES - Vdd=VddQ=2.
5V+0.
2V...

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