he ISSI IS62C51216AL and IS65C51216AL are highspeed,

8M bit static RAMs organized as 512K words by 16

bits. It is fabricated using ISSI's high-performance CMOS

technology. This highly reliable process coupled with

innovativecircuitdesigntechniques,yieldshigh-performance

and low power consumption devices.

When CS1 is HIGH (deselected) or when CS2 is low

(deselected) or when CS1 is low, CS2 is high and both

LB and UB are HIGH, the device assumes a standby mode

at which the power dissipation can be reduced down with

CMOS input levels.

Easy memory expansion is provided by using Chip Enable

andOutputEnableinputs.TheactiveLOWWriteEnable(WE)

controls both writing and reading of the memory.A data byte

allows Upper Byte (UB) and Lower Byte (LB) access.

The IS62C51216AL and IS65C51216AL are packaged in

the JEDEC standard 48-pin mini BGA (9mm x 11mm) and

44-Pin TSOP (TYPE II).

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