TMS55161, TMS55160 Datasheet - Texas Instruments

TMS55161 262144 BY 16-BIT MULTIPORT VIDEO RAMS

The TMS551xx multiport video RAMs (VRAMs) are high-speed dual-ported memory devices. Each consists of a dynamic random-access memory (DRAM) organized as 262 144 words of 16 bits each interfaced to a serial-data register [serial-access memory (SAM)] organized as 256 words of 16 bits each. These devic.

TMS55160, TMS55161, TMS55170, TMS55171 262144 BY 16-BIT MULTIPORT VIDEO RAMS D Organization: DRAM: 262 144 Words × 16 Bits SAM: 256 Words × 16 Bits D Single 5.0-V Power Supply (±10%) D Dual-Port Accessibility Simultaneous and Asynchronous Access From the DRAM and Serial-Address-Memory (SAM) Ports D Write-per-Bit Function for Selective Write to Each I/O of the DRAM Port D Byte-Write Function for Selective Write to Lower Byte (DQ0 DQ7) or Upper Byte (DQ8 DQ15) of the .

TMS55160-etcTI.pdf