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TMS55165-70DGH Datasheet(PDF) 1 Page - Texas Instruments |
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TMS55165-70DGH Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 70 page  TMS55165, TMS55166, TMS55175, TMS55176 262144 BY 16-BIT MULTIPORT VIDEO RAM SMVS463 – DECEMBER 1995 1 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 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 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 performance ranges ACCESS TIME ROW ENABLE tRAC (MAX) ACCESS TIME SERIAL DATA tSCA (MIN) DRAM PAGE CYCLE TIME tPC (MIN) DRAM EDO CYCLE TIME tPC (MIN) SERIAL CYCLE TIME tSCC (MIN) OPERATING CURRENT SERIAL PORT STANDBY lCC1 (MAX) – 60 Speed 60 ns 15 ns 35 ns 30 ns 18 ns 180 mA – 70 Speed 70 ns 20 ns 40 ns 30 ns 22 ns 165 mA Table 1. Device Option Table DEVICE POWER SUPPLY VOLTAGE BLOCK-WRITE CAPABILITY PAGE / EDO OPERATION 55165 5.0 V ± 0.5 V 4 -column Page 55166 5.0 V ± 0.5 V 4 -column EDO 55175 5.0 V ± 0.5 V 8 - column Page 55176 5.0 V ± 0.5 V 8 - column EDO Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. TI and EPIC are trademarks of Texas Instruments Incorporated. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright 1995, Texas Instruments Incorporated |
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