7489 DIP IC 64 Bit Random Access Memory (7489 IC)
The 7489 is a 64 bit random access memory integrated circuit designed for small scale data storage in digital systems. It provides a memory organization of 16 words by 4 bits and allows read and write operations through address and data input lines.
This IC belongs to the TTL logic family and is commonly used in digital memory applications educational experiments and microprocessor based circuits where small memory storage is required. The DIP package allows easy integration in breadboard prototypes and PCB based digital designs.
Key Features
- 64 bit random access memory IC
- Memory organization 16 words x 4 bits
- Addressable memory locations
- Supports read and write operations
- TTL compatible logic levels
- Suitable for digital memory storage applications
- DIP package suitable for prototyping and PCB mounting
Specifications
- IC Model = 7489
- Memory Type = Static random access memory
- Memory Capacity = 64 bits
- Memory Organization = 16 x 4 bit
- Logic Family = TTL
- Package Type = DIP
- Operating Voltage = 4.75V to 5.25V
- Application = Digital memory storage and microprocessor circuits
Interfaces
- A0 = Address input bit 0
- A1 = Address input bit 1
- A2 = Address input bit 2
- A3 = Address input bit 3
- D0 = Data input bit 0
- D1 = Data input bit 1
- D2 = Data input bit 2
- D3 = Data input bit 3
- Q0 = Data output bit 0
- Q1 = Data output bit 1
- Q2 = Data output bit 2
- Q3 = Data output bit 3
- WE = Write enable
- CS = Chip select
- VCC = Power supply
- GND = Ground*
