參數(shù)資料
型號(hào)： HM530281R
廠商： Hitachi,Ltd.
英文描述： 331,776-word x 8-bit Frame Memory
中文描述： 331776字× 8位幀存儲(chǔ)器
文件頁數(shù)： 17/47頁
文件大?。?/td> 311K
代理商： HM530281R
Datasheet Title
17
Power On
Wait at least 100
μ
s after power-on to begin operation. At this time the write and read address pointers are
undefined.
The following operation should be executed.
CGW
and
CGR
should be hold low.
Reset cycle when 1 dimensional addressing mode.
Clear cycle when 2 dimensional addressing mode.
Dummy cycle of over 64 WCK and 64 RCK clock cycle.
Then, initiate the desired operating mode by providing the signal input combination given by the truth
tables below.
Function Table
Note:
Description of operations of function table is based on the operation on condition
CGW
,
WE
and
CGR
,
OE
is low.
1 Dimensional Addressing Modes
Write
WCK Rising Edge
WRS
WAS
Operation
H
H
Normal state
In the normal state, the write address pointer is incremented in
synchronization with WCK.
L
H
Reset
The write address pointer is reset to 0.
L
L
Jump
Jump to the address A to which the write address pointer is set.
H
L
Address setup
The write jump address is input.
Read
RCK Rising Edge
RRS
RAS
Operation
H
H
Normal state
In the normal state, the read address pointer is incremented in
synchronization with RCK.
L
H
Reset
The read address pointer is reset to 0.
L
L
Jump
Jump to the address A to which the read address pointer is set.
H
L
Address setup
The read jump address is input.
相關(guān)PDF資料
PDF描述
HM530281RTT-20 331,776-word x 8-bit Frame Memory
HM530281RTT-25 331,776-word x 8-bit Frame Memory
HM530281RTT-34 331,776-word x 8-bit Frame Memory
HM530281RTT-45 331,776-word x 8-bit Frame Memory
HM530281TT-20 331,776 WORD X 8 BIT FRAME MEMORY
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HM530281RTT-20 制造商:Hitachi 功能描述:FIELD/FRAME/LINE MEMORY, 44 Pin, Plastic, TSOP
HM530281RTT-25 制造商:Renesas Electronics Corporation 功能描述:2.5M FRAME RAM (VIDEO) 25NS
HM530281RTT-34 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:331,776-word x 8-bit Frame Memory
HM530281RTT-45 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:331,776-word x 8-bit Frame Memory
HM530281TT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:331,776 WORD X 8 BIT FRAME MEMORY
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