DESCRIPTION

The MSM5416263 is a 4-Mbit CMOS multiport DRAM composed of a 262,144-word by 16-bit dynamic RAM, and a 512-word by 16-bit SAM. Its RAM and SAM operate independently and asynchronously.

FEATURES

• Single power supply: 5 V ±10

• Full TTL compatibility

• Multiport organization

RAM : 256K word x 16 bits

SAM : 512 word x 16 bits

• Extended page mode

• Write per bit

• Persistent write per bit

• Byte write

• Masked flash write

• Masked block write (4 x 4 x 4)

• RAS only refresh

• CAS before RAS refresh

• Hidden refresh

• Serial read/write

• 512 tap location

• Programmable stops

• Bidirectional data transfer

• Split transfer

• Masked write transfer

• Refresh: 512 cycles/8 ms

• Package:

64-pin 525 mil plastic SSOP (SSOP64-P-525-0.80-K) (Product : MSM5416263-xxGS-K)

xx indicates speed rank.