LH532100B SHARP [Sharp Electrionic Components], LH532100B Datasheet - Page 3

• Manufacturer Part Number: LH532100B
• Description: CMOS 2M (256K x 8) MROM
• Manufacturer: SHARP [Sharp Electrionic Components]

CMOS 2M MROM
PIN DESCRIPTION
NOTE:
1. Active levels of OE/OE and OE
TRUTH TABLE
NOTE:
Selecting DC allows the outputs to be active for both high and low levels applied to this pin.
It is recommended to apply either a HIGH or a LOW to the DC pin.
X = H or L
A
D
SIGNAL
OE/OE
CE
0
H
L
L
L
0
CE
NOTE: Pin numbers apply to the 32-pin DIP, SOP, QFJ, or TSOP (Type II).
– A
– D
OE
17
7
1
/OE
OE/OE
CE/CE
OE/OE
L/H
H/L
1
/DC
X
X
Address input
Data output
Chip Enable input
Output Enable input
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
17
16
15
14
13
12
10
11
7
6
9
8
5
4
3
2
0
1
28
10
11
12
30
29
25
23
26
27
22
24
5
2
3
4
6
7
8
9
1
OE
PIN NAME
L/H
H/L
1
X
X
/OE
BUFFER
BUFFER
1
/OE
CE
OE
1
1
/DC are mask-programmable.
Non selected
Non selected
Non selected
Selected
Figure 5. LH532100B Block Diagram
MODE
V
GENERATOR
32
CC
TIMING
NOTE
GND
16
1
D
High-Z
High-Z
High-Z
D
0
OUT
– D
7
OE
SUPPLY CURRENT
Operating (I
Operating (I
Operating (I
13
D
Standby (I
SIGNAL
1
0
GND
/OE
V
CC
14
D
1
1
/DC
COLUMN SELECTOR
D
15
SENSE AMPLIFIER
OUTPUT BUFFER
SB
2
CC
CC
CC
(262,144 x 8)
)
Output Enable input/
Don’t Care connection
Power supply (+5 V)
Ground
)
)
)
MEMORY
D
17
MATRIX
3
D
18
4
PIN NAME
19
D
5
20
D
6
D
21
7
LH532100B
532100B-4
NOTE
1
3