lc895194 Sanyo Semiconductor Corporation, lc895194 Datasheet - Page 4

• Manufacturer Part Number: lc895194
• Description: Cd-rom Error Correction Lsi With On-chip Ata-pi Ide Interface
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Note: 1. NC (no connection) pins must be left open.
Pin No.
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
1
2
3
4
5
6
7
8
9
2. Pin names (signal names) that begin with a Z have negative (inverted) logic.
3. V
SS0
is the logic system ground and V
Symbol
ZRAS0
ZRAS1
ZCAS0
ZCAS1
TEST0
TEST1
TEST2
TEST3
ZUWE
ZLWE
WFCK
SCOR
EXCK
SBSO
V
V
V
V
V
ZOE
IO10
IO11
IO12
IO13
IO14
IO15
RA0
RA1
RA2
RA3
RA4
RA5
RA6
V
RA7
RA8
RA9
V
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
IO8
IO9
SS
SS
SS
SS
SS
DD
DD
0
0
0
0
0
Type
NC
NC
NC
NC
NC
NC
NC
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
P
P
B
B
B
B
B
B
B
B
B
B
O
I
I
I
Data buffer RAM data I/O
These pins have built-in pull-up resistors.
Buffer DRAM RAS signal output 0 (This pin is used normally.)
Buffer DRAM RAS signal output 1
Buffer DRAM CAS signal output 0 (This pin is used normally.)
Buffer DRAM CAS signal output 1
Buffer RAM output enable
Buffer RAM upper write enable
Buffer RAM lower write enable
RA0 to RA9 are the data buffer DRAM address lines.
RA0 to RA9 are the data buffer DRAM address lines.
Test pins.
Data buffer RAM data I/O
These pins have built-in pull-up resistors.
SUB-CODE input/out pin
SS1
is the IDE interface driver ground.
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection pin
LC895194
Function
Continued on next page.
No. 5154-4/7