256K x 8 LOW VOLTAGE, ULTRA LOW POWER CMOS STATIC RAM The IS62WV2568BLL-55HI is a 256K x 8-bit low-power CMOS static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution Inc.). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Organization:** 256K x 8-bit
- **Operating Voltage:** 3.3V ± 0.3V
- **Access Time:** 55ns
- **Operating Current:** 25mA (typical)
- **Standby Current:** 10µA (typical)
- **Package:** 32-pin TSOP-I (Thin Small Outline Package)
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Data Retention Voltage:** 2.0V (min)
- **Pin Count:** 32
### **Descriptions:**
- The IS62WV2568BLL-55HI is a high-performance asynchronous SRAM designed for low-power applications.
- It features a fully static operation, meaning no refresh cycles are required.
- The device is compatible with industrial temperature ranges, making it suitable for harsh environments.
- It uses a standard SRAM interface with separate data input and output pins.
### **Features:**
- **Low Power Consumption:** Optimized for battery-operated and portable devices.
- **High-Speed Access:** 55ns access time for efficient performance.
- **Wide Voltage Range:** Operates at 3.3V with tolerance for minor fluctuations.
- **Industrial-Grade:** Supports extended temperature ranges (-40°C to +85°C).
- **TTL-Compatible Inputs and Outputs:** Ensures easy interfacing with microcontrollers and logic circuits.
- **Automatic Power-Down:** Reduces power consumption when Chip Enable (CE#) is inactive.
- **Tri-State Outputs:** Allows bus sharing in multi-device systems.
This SRAM is commonly used in embedded systems, networking equipment, industrial controls, and other applications requiring reliable, low-power memory.
