Oki Electric Industry MSM6691
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.| Part No. | MSM6691 |
|---|---|
| Datasheet | MSM6691 Download |
| Manufacturer | Oki Electric Industry |
| Description | DRAM Interface IC |
| Buy | Stock & Price |
GENERAL DESCRIPTION
DRAMs can be used for voice storage by connectingFEATURES
● 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 XDIN ¡ Semiconductor MSM6691 PIN CONFIGURATION (TOP VIEW) RWCK DOUT CS3 CS4 A10 VDD WE...
