lc897194 Sanyo Semiconductor Corporation, lc897194 Datasheet - Page 5

• Manufacturer Part Number: lc897194
• Description: Cd-rom Decoder With Built-in Atapi Ide And Dvd Ecc Interfaces
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Pin No.
O
I
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
1
2
3
4
5
6
7
8
9
Output
Input
Symbol
ZRAS0
ZRAS1
ZCAS0
ZCAS1
TEST0
TEST1
TEST2
TEST3
TEST4
ZUWE
ZLWE
V
V
V
V
V
ZOE
RA7
RA0
RA1
RA2
RA3
RA4
RA5
RA6
V
RA8
RA9
V
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
SS0
SS0
SS0
SS0
SS0
DD
DD
Type
NC
NC
NC
NC
NC
B
P
P
O
O
P
O
O
P
O
O
O
O
O
O
O
O
O
O
P
P
O
O
O
B
B
B
B
B
B
B
B
P
P
RAS signal output 0 to the buffer DRAM (Output 0 is normally used.)
RAS signal output 1 to the buffer DRAM
CAS signal output 0 to the buffer DRAM (Output 0 is normally used.)
CAS signal output 1 to the buffer DRAM
Buffer RAM output enable
Buffer RAM upper write enable
Buffer RAM lower write enable
RA0 to RA9 are used for the data buffer DRAM address.
RA0 to RA9 are used for the data buffer DRAM address.
Used for testing. There should be no connections to these pins.
These pins must be left open.
Data I/O to/from data buffer DRAM
Pull-up resistors are built in.
Bidirection
Power
typ
NC
Not connected
LC897194
Function
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