MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18¡ Semiconductor
701
¡ Semiconductor
MSC23V47257TA-xxBS18/
MSC23V47257SA-xxBS18
4,194,304-Word ¥ 72-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
DESCRIPTION
The Oki MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18 is a fully decoded 4,194,304-word
¥ 72-bit CMOS dynamic random access memory composed of eighteen 16-Mb DRAMs (4M ¥ 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 ¥ 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
PRODUCT FAMILY
Preliminary
Family Access Time (Max.) Cycle Time
(Min.)
Power Dissipation
Operating (Max.)
Standby (Max.)tRAC tAA tCAC
MSC23V47257TA-60BS18
MSC23V47257SA-60BS18
MSC23V47257TA-70BS18
MSC23V47257SA-70BS18
60 ns
70 ns
30 ns
35 ns
15 ns
20 ns
110 ns
130 ns
7776 mW
7128 mW
64.8 mW
tOEA
15 ns
20 ns