128K x 8 HIGH-SPEED CMOS STATIC RAM The IS62C1024-55QI is a 1M x 8-bit (1 Megabit) high-speed CMOS static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution, Inc.). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Density:** 1 Megabit (128K x 8-bit)
- **Operating Voltage:** 5V ±10%
- **Access Time:** 55ns
- **Operating Current:** 40mA (typical)
- **Standby Current:** 10µA (typical, CMOS standby)
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)
- **Operating Temperature Range:** -40°C to +85°C (Industrial grade)
- **Pin Configuration:** Compatible with industry-standard 128K x 8 SRAMs
### **Descriptions:**
- The IS62C1024-55QI is a high-performance asynchronous SRAM designed for applications requiring fast access times and low power consumption.
- It features a fully static operation, meaning no refresh cycles are required.
- The device is organized as 131,072 words of 8 bits each (128K x 8).
- It is commonly used in embedded systems, networking equipment, industrial controls, and telecommunications.
### **Features:**
- **High-Speed Access:** 55ns access time for fast read/write operations.
- **Low Power Consumption:**
- Active current: 40mA (typical)
- CMOS standby mode: 10µA (typical)
- **Wide Operating Voltage Range:** 4.5V to 5.5V.
- **Fully Static Operation:** No clock or refresh required.
- **TTL-Compatible Inputs and Outputs:** Ensures easy interfacing with other logic families.
- **Tri-State Outputs:** Allows bus sharing in multi-memory systems.
- **Industrial Temperature Range:** Supports operation in harsh environments (-40°C to +85°C).
- **Industry-Standard Pinout:** Compatible with other 128K x 8 SRAMs.
This SRAM is suitable for applications requiring reliable, high-speed, and low-power memory storage.
