FUNCTIONAL DESCRIPTION
The LH52258A is a high-speed 262,144 bit static RAM organized as 32K × 8. A fast, efficient design is obtained with a CMOS periphery and a matrix constructed with polysilicon load memory cells.

FEATURES
• Fast Access Times: 20/25 ns
• Low-Power Standby when Deselected
• TTL Compatible I/O
• 5 V ± 10% Supply
• Fully-Static Operation
• JEDEC Standard Pinout
• Packages:
   28-Pin, 300-mil DIP
   28-Pin, 300-mil SOJ