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參數(shù)資料
| 型號： | LC7872E |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CD Graphics Decoder |
| 中文描述： | 光盤圖形解碼器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大小： | 299K |
| 代理商： | LC7872E |
Continued from preceding page.
No. 4868-4/17
LC7872E
Parameter
Symbol
Conditions
min
typ
max
Unit
SBCK, WE, RAS, CAS, OE, A0 to A7, DB0 to DB3,
CDGM, TRANS0 to TRANS5, VSYNC, YS, CSYNC,
EFLG, FSX, FSC: I
O
= 2 mA
DO: I
O
= 5 mA
DO, DB0 to DB3
Output low level voltage
V
OL
(1)
V
SS
0.4
V
V
OL
(2)
I
OFF
R
X
V
SS
–5
0.75
V
Output off leakage current
+5
μA
M
Built-in feedback resistance
XIN1, XIN2, 4FSC2, FSCIN
1
8-bit D/A converter
reference voltage
V
REF
VIDEO
2.40
2.45
2.50
V
8-bit D/A converter
output resistance
R
DA
VIDEO
300
8-bit D/A converter output level
V
DAC
t
RC
t
PC
t
RAC
t
CAC
t
OFF
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
VIDEO: Figure 9
Random read/write cycle time
Figures 2 and 3
250
ns
Page mode cycle time
Figures 4 and 5
130
ns
RAS access time
Figure 2
210
ns
CAS access time
Figures 2 and 4
10
ns
Output turn-off delay time
Figures 2 and 4
20
ns
RAS precharge time
Figures 2, 3, 4, 5 and 6
100
ns
RAS pulse width
Figures 2, 3 and 6
120
ns
RAS pulse width (page mode)
Figures 4 and 5
18000
ns
RAS hold time
Figures 2, 3, 4 and 5
60
ns
CAS hold time
Figures 2 and 3
120
ns
CAS pulse width
Figures 2, 3, 4 and 5
60
ns
CAS precharge time
Figure 6
50
ns
CAS precharge time (page mode)
Figures 4 and 5
50
ns
Row address setup time
Figures 2, 3, 4 and 5
100
ns
Row address hold time
Figures 2, 3, 4 and 5
50
ns
Column address setup time
Figures 2, 3, 4 and 5
0
ns
Column address hold time
Figures 2, 3, 4 and 5
50
ns
Read command setup time
Figure 2
150
ns
Read command hold time
(referenced to CAS)
t
RCH
Figure 2
120
ns
Read command hold time
(referenced to RAS)
t
RRH
Figure 2
120
ns
Write command setup time
t
WCS
t
WCH
t
WP
t
DS
t
DH
t
CSR
t
CHR
t
RPC
t
VS
Figure 3
100
ns
Write command hold time
Figure 3
50
ns
Write command pulse width
Figure 3
150
ns
Write data setup time
Figure 3
100
ns
Write data hold time
Figure 3
100
ns
CAS setup time (CAS before RAS)
Figure 6
50
ns
CAS hold time (CAS before RAS)
Figure 6
50
ns
RAS precharge · CAS active time
Figure 6
50
ns
Video setup time
Superimposition: Figure 7
20
25
ns
SBCK output delay time
t
SD
NTSC mode: Figure 8
4.74
5.03
μs
PAL mode:
4.79
5.08
μs
SBCK cycle frequency
f
SC
NTSC mode: Figure 8
224
kHz
PAL mode:
222
kHz
PW setup time
t
PWS
Figure 8
100
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC7874E | CD Graphics Decorder |
| LC7880 | 16 bit D/A CONVERTER |
| LC7880M | 16 bit D/A CONVERTER |
| LC78815M | TWO-Channel, 16-bit D/A Converter for Digital Audio Applications |
| LC78816MB | 16-Bit D/A Converter for Use in Digital Audio Products(用于數(shù)字音頻產(chǎn)品的16位D/A轉(zhuǎn)換器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC7874E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CD Graphics Decorder |
| LC7876E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC7880 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:16 bit D/A CONVERTER |
| LC7880M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:16 bit D/A CONVERTER |
| LC7881 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CMOS LSI |
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