參數(shù)資料
型號: LC7874E
廠商: Sanyo Electric Co.,Ltd.
英文描述: CD Graphics Decorder
中文描述: 光盤圖形解碼器
文件頁數(shù): 4/22頁
文件大?。?/td> 241K
代理商: LC7874E
No. 5521-4/22
LC7874E
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Random read/write cycle time
t
RC
t
PC
t
RP
t
RAS
t
RASP
t
RSH
t
CSH
t
CAS
t
CPN
t
CP
t
ASR
t
RAH
t
ASC
t
CAH
t
RCS
t
RCH
t
RRH
t
WCS
t
WCH
t
WP
t
DS
t
DH
t
CSR
t
CHR
t
RPC
t
RDS
t
RDH
t
REF
250
ns
Page mode cycle time
130
ns
RAS precharge time
100
ns
RAS pulse width
120
ns
RAS pulse width (page mode)
18000
ns
RAS hold time
60
ns
CAS hold time
120
ns
CAS pulse width
60
ns
CAS precharge time
50
ns
CAS precharge time
(In page mode)
50
ns
Row address setup time
100
ns
Row address hold time
50
ns
Column address setup time
0
ns
Column address hold time
50
ns
Read command setup time
150
ns
Read command hold time
(Referenced to CAS )
120
ns
Read command hold time
(Referenced toRAS)
120
ns
Write command setup time
100
ns
Write command hold time
50
ns
Write command pulse width
150
ns
Write data setup time
100
ns
Write data hold time
100
ns
CAS setup time
(CAS before RAS)
50
ns
CAS hold time
(CAS before RAS)
50
ns
RAS precharge CAS active time
50
ns
Read data setup time
20
ns
Read data hold time
10
ns
Refresh time
3.5
ms
Timing Characteristics (DRAM Access Timing)
at Ta = 25°C, V
DD
= 5 V
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PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
LC7876E 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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LC7880M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:16 bit D/A CONVERTER
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LC78815 制造商:未知廠家 制造商全稱:未知廠家 功能描述: