Functional description
The AS7C4098A is a high-performance CMOS 4,194,304-bit Static Random Access Memory (SRAM) device organized as 262,144 words × 16 bits. It is designed for memory applications where fast data access, low power, and simple interfacing are desired.

FEATUREs
• Pin compatible with AS7C4098
• Industrial and commercial temperature
• Organization: 262,144 words × 16 bits
• Center power and ground pins
• High speed
    - 10/12/15/20 ns address access time
    - 5/6 ns output enable access time
• Low power consumption: ACTIVE
    - 990mW/max @ 10 ns
• Low power consumption: STANDBY
    - 55mW/max CMOS
• Individual byte read/write controls
• Easy memory expansion with CE, OE inputs
• TTL- and CMOS-compatible, three-state I/O
• 44-pin JEDEC standard packages
    - 400-mil SOJ
    - TSOP 2
• ESD protection ≥ 2000 volts
• Latch-up current ≥ 200 mA