Functional description

The AS4LC4M4F1 is a high performance 16-megabit CMOS Dynamic Random Access Memory (DRAM) device organized as 4,194,304 words × 4 bits. The device is fabricated using advanced CMOS technology and innovative design techniques resulting in high speed, extremely low power and wide operating margins at component and system levels. The Alliance 16Mb DRAM family is optimized for use as main memory in PC, workstation, router and switch applications.

Features

• Organization: 4,194,304 words × 4 bits

• High speed

- 50/60 ns RAS access time

- 25/30 ns column address access time

- 12/15 ns CAS access time

• Low power consumption

- Active: 500 mW max

- Standby: 3.6 mW max, CMOS I/O

• Fast page mode

• Refresh

- 2048 refresh cycles, 32 ms refresh interval

- RAS-only or CAS-before-RAS refresh or self-refresh

• TTL-compatible, three-state I/O

• JEDEC standard package

- 300 mil, 24/26-pin SOJ

• 3.3V power supply

• Latch-up current ≥ 200 mA

• ESD protection ≥ 2000 volts

• Industrial and commercial temperature available