TMS55176

TMS55165, TMS55166, TMS55175, TMS55176 262144 BY 16-BIT MULTIPORT VIDEO RAM 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 DRAM Port D 4 - Column or 8 - Column Block - Write Function for Fast Area - Fill Operations D Enhanced Page Mode for Faster Access With Extended-Data-Output (EDO) Option for Faster System Cycle Time D CAS-Before-RAS (CBR) and Hidden Refresh Functions D Long Refresh Period – Every 8 ms (Maximum) D Full - Register- Transfer Function Transfers Data from the DRAM to the Serial Register performance ranges SMVS463 – DECEMBER 1995 D Split-Register-Transfer Function Transfers Data from the DRAM to One-Half of the Serial Register While the Other Half is Outputing Data to the SAM Port D 256 Selectable Serial Register Starting Points D Programmable Split-Register Stop Point D Up to 55-MHz Uninterrupted Serial-Data Streams D 3-State Serial Outputs for Easy Multiplexing of Video Data Streams D All Inputs/Outputs and Clocks TTL Compatible D Compatible With JEDEC Standards D Designed to Work With the Texas Instruments (TI) Graphics Family D Fabricated Using TI’s Enhanced Performance Implanted CMOS (EPIC) Process – 60 Spe...