lh5p8128 Sharp Microelectronics of the Americas, lh5p8128 Datasheet - Page 2

• Manufacturer Part Number: lh5p8128
• Manufacturer: Sharp Microelectronics of the Americas

LH5P8128
PIN DESCRIPTION
2
RFSH
NOTE: Pin numbers apply to the 32-pin DIP or SOP.
R/W
CE
CE
A
A
A
A
A
A
A
OE
A
A
A
A
A
A
A
A
A
A
13
15
10
12
14
16
A
11
SIGNAL
0
1
2
3
4
5
6
7
9
2
8
1
0
R/W
OE
12
31
24
11
10
27
26
23
25
28
22
30
29
4
9
8
7
6
5
3
2
1
- A
16
GENERATOR
COUNTER
ADDRESS
ADDRESS
REFRESH
ADDRESS
COLUMN
BUFFER
BUFFER
CLOCK
ROW
Address input
Read/Write input
Output Enable Input
ADDRESS
PIN NAME
EXT/INT
MUX
Figure 3. LH5P8128 Block Diagram
CONTROLLER
DECODER
REFRESH
ROW
DECODER
MEMORY
COLUMN
SENSE
ARRAY
AMPS
REFRESH
TIMER
I/O
CE
SIGNAL
RFSH
0
1
, CE
- I/O
CMOS 1M (128K
2
7
SELECTOR
I/O
Chip Enable input
Refresh input
Data input/output
V
BB
GENERATOR
PIN NAME
BUFFER
BUFFER
8) Pseudo-Static RAM
DATA
DATA
OUT
IN
15
19
16
13
14
20
32
17
18
21
5P8128-2
GND
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
V
CC
0
1
2
3
4
5
6
7