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MSM5424331 Datasheet(PDF) 2 Page - OKI electronic componets

Part No. MSM5424331
Description  222,720-Word × 24-Bit Field Memory
Download  34 Pages
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSM5424331 Datasheet(HTML) 2 Page - OKI electronic componets

 
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FEDS5424331-01
1Semiconductor
MSM5424331
2/34
FEATURES
• Switching between FIFO and Block Access modes by the D/F pin
FIFO mode:
Serial write/read operation by line-by-line accessing
Block Access mode: Fast write/read operation on an 8-word basis by the
RAS and CAS control
• Organization of 768 × 290 × 24 bits
FIFO mode:
Input
× 12 or × 24 controlled by L/UWE
Output
× 24
Block Access mode:
Input
× 12 (Two 768 × 290 × 12-bit banks are controlled by L/UWE.)
Output
× 12 (Two 768 × 290 × 12-bit banks are controlled by A9.)
• Asynchronous operation
Input and output asynchronous operation enabled only in the FIFO mode Single write or read operation in the
Block Access mode
• Serial Read and Write Cycle times (in both the FIFO mode and the Block Access mode)
Cycle time:
60 ns
Access time: 50 ns
• Operating supply voltage: 2.8 to 3.3 V
• Refresh
FIFO mode:
Self refresh
Block Access mode: by the
CAS before RAS refresh function (290 cycles/8 ms)
• Address input
FIFO mode:
Setting random line address by the serial address input
Block Access mode: Setting random address in the address multiplexer by the
RAS and CAS control
• Selectable serial address input setting or various address resetting in the FIFO mode
• Package:
70-pin 400 mil plastic TSOP (Type 2) (TSOP(2)70-P-400-0.50-K) (Product: MSM5424331TS-AK)


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