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參數(shù)資料
| 型號： | LC895127 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 40× CD-ROM Decoder with SCSI Interface(帶SCSI接口的40倍速CD-ROM譯碼器) |
| 中文描述： | 40 ×的CD - ROM SCSI接口（帶的SCSI接口的40倍速的CD - ROM譯碼器解碼器） |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 53K |
| 代理商： | LC895127 |
No. 6236-6/8
LC895127, 895127K
Continued from preceding page.
Pin No.
Pin
I/O
Function
108
V
SS1
V
DD
V
SS0
RAS0
P
109
P
110
P
111
O
Buffer RAM RAS signal output 0
112
V
DD
CAS0
P
113
O
Buffer RAM CAS signal output 0 (Normally held fixed at 0 (low).)
114
CAS1
O
Buffer RAM RAS signal output 1
115
OE
O
Buffer RAM output enable
116
UWE (RA9)
O
Buffer RAM upper write enable (RA9 when 8M or more DRAM is used.)
117
LWE
O
Buffer RAM lower write enable
118
V
SS0
RA0
P
119
O
120
RA1
O
121
RA2
O
122
RA3
O
Buffer RAM address signal outputs
123
RA4
O
124
RA5
O
125
RA6
O
126
V
DD
V
SS0
RA7
P
127
P
128
O
Buffer RAM address signal outputs
129
RA8
O
130
IO15
B
131
IO14
B
132
IO13
B
133
IO12
B
Buffer RAM data I/O
134
IO11
B
These pins have built-in pull-up resistors.
135
IO10
B
136
IO9
B
137
IO8
B
138
V
SS0
IO7
P
139
B
140
IO6
B
Buffer RAM data I/O
141
IO5
B
These pins have built-in pull-up resistors.
142
IO4
B
143
IO3
B
144
V
DD
P
Unused ("NC") pins must be left open.
Pins whose name is under a bar operate with inverted (negative) logic.
V
SS0
is the logic system ground and V
SS1
is the SCSI interface driver ground.
If DRAM is used, applications must adopt measures to prevent undershoot and other DRAM problems. Such measures include inserting resistors in the RAS
and CAS lines and inserting capacitors between V
SS
pins.
See the article on Designing with the Latest Microcontrollers and Memory in special issue number 25 of Transistor Technology for details on these measures.
Since this device includes buffers that sink a current of 48 mA, applications must take adequate noise prevention measures.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC89512W | CD-ROM Error Correction LSI with Built-In SCSI Interface |
| LC89513K | CD-ROM Error Correction LSI for Integrated Host CPU System |
| LC89515 | CD-ROM/CD-I Error Correction/ Host Interface LSI |
| LC89515K | CD-ROM/CD-I Error Correction/ Host Interface LSI |
| LC895170W | CD-ROM Error Correction LSI |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC895127K | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:40 x CD-ROM Decoder with SCSI Interface |
| LC89512W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CD-ROM Error Correction LSI with Built-In SCSI Interface |
| LC89513K | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CD-ROM Error Correction LSI for Integrated Host CPU System |
| LC89515 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CD-ROM/CD-I Error Correction/ Host Interface LSI |
| LC89515K | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CD-ROM/CD-I Error Correction/ Host Interface LSI |
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