SAA4955TJ Overview
The SAA4955TJ is a 2949264-bit field memory designed for advanced TV applications such as 100/120 Hz TV, QUICK REFERENCE DATA SYMBOL Tcy(SWCK) Tcy(SRCK) tACC VDD(P) IDD(tot) PARAMETER WRITE cycle time (SWCK) READ cycle time (SRCK) READ access time after SRCK supply voltage (pins 20 and 21) total supply current (IDD(tot) = IDD + IDD(O) + IDD(P)) minimum read/write cycle; outputs open CONDITIONS see Fig.3 see Fig.10...
SAA4955TJ Key Features
- 2949264-bit field memory
- 245772 × 12-bit organization
- 3.3 V power supply
- Inputs fully TTL patible when using an extra 5 V power supply
- High speed read and write operations
- FIFO operations
- full word continuous read and write
- independent read and write pointers (asynchronous read and write access)
- resettable read and write pointers
- Optional random access by block function (40 words per block) enabled during pointer reset operation