LH531000B
LH531000B is CMOS 1M (128K x 8) MROM manufactured by Sharp Corporation.
FEATURES
- 131,072 words × 8 bit organization
- Access time: 150 ns (MAX.)
- Low power consumption: Operating: 192.5 m W (MAX.) Standby: 550 µW (MAX.)
- Programmable CE/OE/OE
- Static operation
- TTL patible I/O
- Three-state outputs
- Single +5 V power supply
- Packages: 28-pin, 600-mil DIP 28-pin, 450-mil SOP
- Mask ROM specific pinout
CMOS 1M (128K × 8) MROM
DESCRIPTION
The LH531000B is a mask-programmable ROM organized as 131,072 × 8 bits. It is fabricated using silicon-gate CMOS process technology.
PIN CONNECTIONS
28-PIN DIP 28-PIN SOP TOP VIEW
A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 GND
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
VCC A14 A13 A8 A9 A11 A16 A10 CE /OE/OE D7 D6 D5 D4 D3
531000B-1
Figure 1. Pin Connections for DIP and SOP Packages
CMOS 1M MROM
A16 22 A15 1 A14 27 A13 26
A10 21 A9 24 A8 25 A7 3 A6 4 A5 5 A4 6 A3 7 A2 8 A1 9 A0 10
ADDRESS DECODER
ADDRESS BUFFER
A12 2 A11 23
MEMORY MATRIX (131,072 x 8)
COLUMN SELECTOR
SENSE AMPLIFIER
CE/OE/OE 20
CE/OE BUFFER
TIMING GENERATOR OUTPUT BUFFER
28 14 VCC GND
11 D0
12 D1
13 D2
15 D3
16...
