LC895195 Datasheet, PDF (3/8 Pages) Sanyo Semicon Device – ATA-PI (IDE) CD-ROM Decoder LSI

LC895195
Pin Functions
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection pin
Pin No.
Symbol
Type
Function
1
V_SS0
P
2
ZRAS0
O Buffer DRAM RAS signal output 0 (This pin is used normally.)
3
ZRAS1
O Buffer DRAM RAS signal output 1
4
V_SS0
P
5
ZCAS0
O Buffer DRAM CAS signal output 0 (This pin is used normally.)
6
ZCAS1
O Buffer DRAM CAS signal output 1
7
V_SS0
P
8
ZOE
O Buffer RAM output enable
9
ZUWE
O Buffer RAM upper write enable
10
ZLWE
O Buffer RAM lower write enable
11
RA0
O
12
RA1
O
13
RA2
O
14
RA3
O RA0 to RA6 are the data buffer DRAM address signal output.
15
RA4
O
16
RA5
O
17
RA6
O
18
V_DD
P
19
V_SS0
P
20
RA7
O
21
RA8
O RA7 to RA9 are the data buffer DRAM address signal output.
22
RA9
O
23
V_SS0
P
24
TEST0
NC
25
NC
26
TEST1
NC
27
TEST2
NC
28
TEST3
NC
29
NC
30
IO0
B
31
IO1
B
32
IO2
B
Data buffer DRAM data I/O
These pins have built-in pull-up resistors.
33
IO3
B
34
IO4
B
35
IO5
B
36
V_SS0
P
37
V_DD
P
38
IO6
B
39
IO7
B
40
IO8
B
41
IO9
B Data buffer DRAM data I/O
42
IO10
B These pins have built-in pull-up resistors.
43
IO11
B
44
IO12
B
45
IO13
B
46
IO14
B
47
IO15
B
48
EXCK
O SUB-CODE I/O
49
WFCK
I
50
SBSO
I
Note: 1. NC (no connection) pins must be left open.
2. Pin names (signal names) that begin with a Z have negative (inverted) logic.
3. V_SS0 is the logic system ground and V_SS1 is the IDE interface driver ground.
No. 5192-3/8