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MSM548333 Datasheet

  • MSM548333

  • 240,384-Word x 8-bit + 240,384-Word x 4-bit Triple Port type...

  • OKI

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E2L0035-17-Y1
隆 Semiconductor
隆 Semiconductor
MSM548333
DESCRIPTION
This version: Jan. 1998
MSM548333
Previous version: Dec. 1996
240,384-Word
樓
8-bit + 240,384-Word
樓
4-bit Triple Port type Field Memory
The MSM548333 is a high performance double triple-port type 2.88-Mbit, 768 bits
樓
313 lines
樓
(8 +
4), Field Memory for Y-C separation signal control. The MSM548333 has two memory plain blocks:
Y area has 8 plains and C area has 4 plains. Each plain contains 768
樓
313 bits. Each plain has one input
port and two output ports. Access is done line by line. The line address must be set each time a line
is changed.
The MSM548333 is especially designed for high performance digital cameras, TVs, VTRs and Multi-
media applications which require special operations such as time-base correction, noise reduction
and other digital techniques.
The MSM548333 is not designed for high end use in such applications as medical systems,
professional graphics systems which require long term picture storage, data storage systems and
others.
More than two MSM548333s can be cascaded directly without any delay devices between them.
Cascading MSM548333s provides larger capacity and longer delay.
X and Y serial address input enables random initial address setting of serial access in a page. Other
than the random address setting, MSM548333 has several types of address set modes such as line
hold, address jump to initial address and line increment. For example, address jump to initial X
address and line increment enable block access.
Self refresh function releases the MSM548333 from being applied external refresh control clocks even
though it contains dynamic type memory cells. Input enable control or IE pin enables write mask
function.
FEATURES
鈥?Configuration
6-port configuration
Y area: 768
樓
313
樓
8-bit configuration
樓
1 (serial write port)
768
樓
313
樓
8-bit configuration
樓
2 (serial read port)
C area: 768
樓
313
樓
4-bit configuration
樓
1 (serial write port)
768
樓
313
樓
4-bit configuration
樓
2 (serial read port)
鈥?Line by line access.
鈥?X and Y serial address inputs for random serial initial bit address
鈥?Asynchronous operation
鈥?Serial read and write cycle times
Read cycle: 30 ns min.
Write cycle: 50 ns min.
鈥?Low operating supply voltage: 3.3 V
鹵0.3
V
鈥?Self-refresh.
鈥?Various address reset mode for picture processing
鈥?Write mask by IE.
鈥?Package:
100-pin plastic TQFP (TQFP100-P-1414-0.50-K)
(Product : MSM548333TS-K)
1/42

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