4K/6K/8K-BYTE ROM-CONTAINED SINGLE-CHIP 4-BIT MICROCOMPUTER FOR CONTROL-ORIENTED APPLICATIONS The part **LC66304A** is a **3.3V 64K (8K x 8) Low Power CMOS Static RAM** manufactured by **Sanyo**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Organization:** 8K x 8 (64K-bit)  
- **Supply Voltage:** 3.3V ± 0.3V  
- **Access Time:** 55ns, 70ns  
- **Operating Current:** 15mA (max)  
- **Standby Current:** 10µA (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOP (Small Outline Package)  

### **Descriptions:**  
- **Type:** Low-power CMOS static RAM  
- **Applications:** Battery-powered devices, portable electronics, embedded systems  
- **Technology:** High-speed, low-power consumption  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-operated devices  
- **Fully Static Operation:** No clock or refresh required  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with other logic circuits  
- **Single 3.3V Power Supply:** Suitable for modern low-voltage designs  
- **Tri-State Outputs:** Allows bus sharing in multi-device systems  
- **High Noise Immunity:** Reliable operation in electrically noisy environments  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and timing diagrams, refer to the official documentation.

4K/6K/8K-BYTE ROM-CONTAINED SINGLE-CHIP 4-BIT MICROCOMPUTER FOR CONTROL-ORIENTED APPLICATIONS