Click to expand full text
¡ Semiconductor MSM6791
MSM6791 DRAM Interface IC
¡ Semiconductor
GENERAL DESCRIPTION
The MSM6791 can be used as a memory for voice data by connecting OKI solid-state recording and playback ICs (MSM6688 and MSM6788).
FEATURES
• DRAM (¥ 1-bit configuration) 1M-bit DRAM (MSM511000A, MSM511001A) : 8 pcs. can be connected. 4M-bit DRAM (MSM514100A, MSM514101A) : 8 pcs. can be connected. 16M-bit DRAM (MSM5116100A) : 2 pcs. can be connected. Note: MSM511002A/MSM514102A that corresponds to a static column mode cannot be used. 5V single rail 8MHz 10kbps, 12.5kbps, 16kbps in MSM6788 connection (8kHz sampling fixation) 7.5kbps, 9.