LH5P860D-80 SHARP [Sharp Electrionic Components], LH5P860D-80 Datasheet - Page 2

• Manufacturer Part Number: LH5P860D-80
• Description: CMOS 512K (64K x 8) Pseudo-Static RAM
• Manufacturer: SHARP [Sharp Electrionic Components]

PIN DESCRIPTION
LH5P860
2
RFSH
R/W
CE
CE
CE
A
A
A
A
A
A
A
OE
SIGNAL
A
A
A
A
A
A
A
A
A
A
RFSH
10
12
13
14
15
11
0
R/W
0
2
3
4
6
7
8
9
2
1
5
1
OE
1
- A
, CE
12
11
10
27
26
23
25
28
31
22
30
24
29
4
3
9
8
7
6
5
1
15
2
A
A
9
0
- A
- A
15
8
GENERATOR
Address input
Read/Write input
Output Enable input
Refresh input
Chip Enable input
ADDRESS
ADDRESS
COUNTER
REFRESH
BUFFER
ADDRESS
CLOCK
COLUMN
BUFFER
ROW
PIN NAME
ADDRESS
EXT/INT
MUX
Figure 2. LH5P860 Block Diagram
CONTROLLER
REFRESH
DECODER
ROW
DECODER
MEMORY
COLUMN
SENSE
ARRAY
AMPS
512 K
REFRESH
TIMER
I/O
SIGNAL
GND
V
0
NC
- I/O
CC
CMOS 512K (64K
7
SELECTOR
I/O
Data input/output
Power Supply
Ground
No Connection
V
BB
GENERATOR
PIN NAME
BUFFER
BUFFER
8) Pseudo-Static RAM
DATA
DATA
OUT
IN
14
15
16
13
17
18
19
32
20
21
GND
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
V
5P860-2
CC
0
1
2
3
4
5
6
7