CDP1822 Overview
Key Specifications
Package: DIP
Operating Voltage: 5 V
Max Voltage (typical range): 6.5 V
Min Voltage (typical range): 4 V
Description
The CDP1822 and CDP1822C are 256-word by 4-bit static random-access memories designed for use in memory systems where high speed, low operating current, and simplicity in use are desirable. The CDP1822 features high speed and a wide operating voltage range.
Key Features
- Low Operating Current
- VDD = 5V, Cycle Time 1µs . . . . . . . . . . . . . . . . . . 8mA
- Industry Standard Pinout
- Two Chip-Select Inputs-Simple Memory Expansion
- Memory Retention for Standby Battery Voltage of 2V Minimum