View sda92512 datasheet:

868352-Bit Dynamic Sequential Access Memory SDA 9251-2X for Television Applications (TV-SAM) Preliminary Data CMOS IC Features 212 x 64 x 16 x 4-bit organization Triple port architecture One 16 x 4-bit input shift register Two 16 x 4-bit output shift registers Shift registers independently and simultaneously accessible Continuous data flow even at maximum speed 33-MHz shift rate - 0.27-Gbit/s total data rate P-DSO-28-.350 All inputs and outputs TTL-compatible Tristate outputs Random access of groups of 16 x 4 bits for a wide range of applications Refresh-free operation possible 5 V ± 10 % power supply 0 … 70 °C operating temperature range Low power dissipation: 550 mW active, 28 mW standby Suitable for all common TV standards Allows flicker and noise r