Sharp LH531V00N, LH531V00D, LH531V00T Datasheet
LH531V00
CM OS 1M (12 8 K × 8) MROM
FEATURES
•• 131,072 words × 8 b it organ izatio n
•• Access time: 100 ns (MAX.)
•• Power consu mption :
Operating : 27 5 mW (MAX.)
Standb y: 550 µW (MAX.)
•• Mask-programmable OE
1
/OE1/DC
•• Fully-static operatio n
•• TTL-compatib le I /O
•• Three-state outputs
•• Singl e +5 V p owe r su ppl y
•• Packa ges:
32-pi n , 600 -mil DIP
32-pi n , 525 -mil S OP
32-pi n , 8 × 20 mm
2
TSOP (Type I)
DESCRIPTION
The LH531V00 is a 1M-bit mask-progr ammable ROM
organized as 131,072 × 8 bits. It is fabricated using
silicon-gate CMOS process technology.
PIN CONNECTIONS
531V00-1
TOP VIEW
1
2
3
4
5
6
9
10
A
2
A
5
V
CC
28
27
26
25
24
23
20
17
A
7
A
6
7
8
A
3
A
4
22
21
A
15
A
12
GND
A
13
A
8
A
11
A
10
CE
D
7
D
6
D
3
11
12
13
32
31
30
29
OE
1
/OE1/DC
A
14
A
1
14
15
16
19
D
5
18
D
4
D
1
D
2
A
0
D
0
A
9
A
16
OE
NC
NC
32-PIN DIP
32-PIN SOP
Figure 1. Pin Connections for DIP an d
SOP Packages
531V00-2
TOP VIEW
2
3
4
5
8
9
V
CC
A
14
29
28
27
26
25
24
21
18
A
8
A
13
6
7
NC
NC
23
22
D
7
A
2
10
11
12
31
30
CE
A
16
13
20
19
OE
1
/OE1/DC
32-PIN TSOP (Type I)
14
15
16
17
A
3
OE
32
1
A
9
D
1
A
10
D
6
D
4
D
3
GND
D
2
D
5
D
0
A
0
A
1
A
11
A
15
A
12
A
7
A
6
A
5
A
4
Figure 2. Pin Connections for TSOP Package
1
NOTE:
1. Active level of OE1/OE1/DC is mask-programmable. When DC is selected out of OE1/OE1/DC, it is fixed to an active level.
Then it is recommended to apply either HIGH or LOW t o the D C p in.
531V00-3
A
3
A
2
A
1
A
12
A
11
A
10
A
9
A
8
32
4
25
23
26
6
9
10
11
A
7
A
6
V
CC
A
4
18
19
20
13
21
D
0
MEMORY
MATRIX
(131,072 x 8)
SENSE AMPLIFIER
OUTPUT BUFFER
16
5
GND
D
1D2D3D4D5D6D7
1
17
14
15
8
27
A
5
7
A
13
28
ADDRESS BUFFER
CE
A
0
12
ADDRESS DECODER
COLUMN SELECTOR
CE
BUFFER
OE
BUFFER
A
14
29
A
15
3
22
TIMING
GENERATOR
A
16
2
OE1/OE1/DC
24
OE
NOTE: Pin numbers apply to the 32-pin DIP or SOP.
Figure 3. LH531V00 Block Diagram
PIN DESCRIPTION
SIGNAL PIN NAME NOTE
A0 – A
16
Add ress in put
D
0
– D
7
Data ou tpu t
CE Chip En abl e i npu t
OE Outp ut Ena ble in put
SIGNAL PIN NAME NOTE
OE1/OE1/DC Outpu t E nab le inp ut 1
V
CC
Power s upp ly (+5 V )
GND Groun d
LH531V00 CMOS 1M MROM
2
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