DESCRIPTION
The Oki MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18 is a fully decoded 4,194,304-word x 72-bit CMOS dynamic random access memory composed of eighteen 16-Mb DRAMs (4M x 4) in TSOP or SOJ packages mounted with decoupling capacitors on an 168-pin glass epoxy DIMM Package supports any application where high density and large capacity of storage memory are required.

FEATURES
• 4,194,304-word x 72-bit (8 Byte ECC) organization
• 168-pin DIMM
    MSC23V47257TA-xxBS18 : TSOP type
    MSC23V47257SA-xxBS18 : SOJ type
• Single 3.3 V supply ±0.3 V tolerance
• Input : LVTTL compatible
• Output : LVTTL compatible, 3-state, nonlatch
• Refresh : 2048 cycles/32 ms
• CAS before RAS refresh, CAS before RAS hidden refresh, RAS-only refresh capability
• Multi-bit test mode capability
• Fast Page Mode with EDO capability
• Serial Presence Detect