AS4C16M16D1-5BCN IC DRAM 256MBIT PAR 60TFBGA Alliance Memory, Inc.

 

Features

• Organization: 1,048,576 words × 4 bits
• High speed
- 40/50/60/70 ns RAS access time
- 20/25/30/35 ns column address access time
- 10/13/15/18 ns CAS access time
• Low power consumption
- Active: 385 mW max (-60)
- Standby: 5.5 mW max, CMOS I/O
• Fast page mode (AS4C14400) or EDO (AS4C14405)
• 1024 refresh cycles, 16 ms refresh interval
- RAS-only or CAS-before-RAS refresh
• Read-modify-write
• TTL-compatible, three-state I/O
• JEDEC standard packages
- 300 mil, 20/26-pin SOJ
- 300 mil, 20/26-pin TSOP
• Single 5V power supply
• ESD protection ≥ 2001V
• Latch-up current ≥ 200 mA