SM55161A Datasheet (Austin Semiconductor) - 262144 x 16 BIT VRAM MULTIPORT VIDEO RAM

SM55161A, 262144 x 16 BIT VRAM MULTIPORT VIDEO RAM

PIN A0-A8 CASL, CASU DQ0-DQ15 DSF NC/GND DESCRIPTION Address inputs Column-Address Strobe/Byte Selects DRAM Data I/O, Write Mask Data Special Function Select Special-Function Select No Connect/Ground (NOTE: Not connected internally to VSS) Special-Function Output Row-Address Strobe Serial Clock Ser

SM55161A Features

* Organization:

* DRAM: 262 144 by 16 Bits

* SAM: 512 by 16 Bits

* Dual-Port Accessibility

* Simultaneous and Asynchronous Access From the DRAM and SAM Ports

* Bidirectional Data-Transfer Function From the DRAM to the Serial-Data Register, and from Ser