General Description

The A45L9332A is 16,777,216 bits synchronous high data rate Dynamic RAM organized as 2 X 262,144 words by 32 bits, fabricated with AMIC’s high performance CMOS technology. Synchronous design allows precise cycle control with the use of system clock. I/O transactions are possible on every clock cycle. Range of operating frequencies, programmable latencies allows the same device to be useful for a variety of high bandwidth, high performance memory system applications.

Write per bit and 8 columns block write improves performance in graphics system.

Features

■ JEDEC standard 3.3V power supply

■ LVTTL compatible with multiplexed address

■ Dual banks / Pulse RAS

■ MRS cycle with address key programs

- CAS Latency (2,3)

- Burst Length (1,2,4,8 & full page)

- Burst Type (Sequential & Interleave)

■ All inputs are sampled at the positive going edge of the system clock

■ Burst Read Single-bit Write operation

■ DQM 0-3 for byte masking

■ Auto & self refresh

■ 32ms refresh period (2K cycle)

■ 100 Pin QFP, LQFP (14 X 20 mm)

Graphics Features

■ SMRS cycle

- Load mask register

- Load color register

■ Write Per Bit (Old Mask)

■ Block Write (8 Columns)