Datasheet Details
| Part number | SM55161A |
|---|---|
| Manufacturer | Austin Semiconductor |
| File Size | 1.28 MB |
| Description | 262144 x 16 BIT VRAM MULTIPORT VIDEO RAM |
| Datasheet |
 SM55161A Datasheet
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General Description
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
Key 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 Serial Data Register to DRAM.
- (8 x 8) x 2 Block Write feature for fast area fill.
- Write-Per-Bit Feature for Selective Write to Each RAM I/O; Two Write-Per-Bit Modes to Simplify System D.