View sda9253 datasheet:

2.6 MBit Dynamic Sequential Access Memory SDA 9253 for Television Applications (TV-SAM) Preliminary Data CMOS IC Features 212 ? 64 ? 16 ? 12-bit organization Triple port architecture One 16 ? 12-bit input shift register Two 16 ? 12-bit output shift registers Shift registers independently and simultaneously accessible Continuous data flow even at maximum speed 40-MHz shift rate – 0.96-Gbit/s total data rate P-MQFP-64-1 All inputs and outputs TTL-compatible Tristate outputs Random access of groups of 16 ? 12 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: 700 mW active, 28 mW standby Suitable for all common TV standards Allows flicker and noise red