What is MSM6691?

This is DRAM Interface IC.

[PDF] Complete Technical Details can be found in the MSM6691 datasheet provided at this page.

Datasheet Summary in PDF File

Semiconductor MSM6691 Semiconductor DRAM Interface IC MSM6691 GENERAL DESCRIPTION DRAMs can be used for voice storage by connecting the MSM6691 with OKI s integrate R W Read Write ICs the MSM6388 and the MSM6588 The MSM6691 translates the signals associated with the dedicated serial register interface of the MSM6388 and MSM6588 driver interface when used in a stand alone mode FEATURES DRAM 1 bit configuration 1 Mbit DRAM M 51100A M511001A Four units can be used 4 Mbit DRAM M 514100A M514101A Four units can be used Power voltage 5V single Built in refresh circuit RAS only refresh Oscillation frequency 8MHz during refresh Sampling frequency 4 kHz to 32 kHz when MSM6388 is connected 4 kHz to 16 kHz when MSM6588 is connected Package 44 pin plastic QFP QFP44 P 910 2K Product name MSM6691GS 2K MSM6691 Semiconductor BLOCK DIAGRAM TEST TEST GND VDD SAD Sin P OUT 10 Row Address Counter LD 10 Column or Row Address Multiplexer A10 11 Address Multiplexer 11 A0 to A10 CK SAS TAS 10 11 XT OSC XT R Column Address Counter Refresh Counter WE RWCK 4M 1M to CS4 4 Timing and Control XWE DRAM CAS Control CONTROL 4 RAS CAS1 to CAS4 BANK0 D0 D1 LE Q0 Q1 BANK1 BKLE D OUT

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Manufacturers : OKI electronic componets

OKI MSM6691 DATA

DRAM Interface IC

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Datasheet MSM6691.PDF DownLoad ( OKI )

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