HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM The **IDT7140LA20P** is a high-speed, low-power **16K x 8-bit dual-port static RAM** manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Organization:** 16K x 8-bit (131,072 bits)
- **Access Time:** 20 ns
- **Operating Voltage:** 5V ±10%
- **Power Consumption:**
- Active: 1W (max)
- Standby: 100mW (typical)
- **Operating Temperature Range:**
- Commercial: 0°C to +70°C
- Industrial: -40°C to +85°C
- **Package:** 48-pin DIP (Dual In-line Package)
### **Descriptions:**
- **Dual-Port RAM:** Allows simultaneous access from two independent buses.
- **Asynchronous Operation:** No clock required for read/write operations.
- **Semaphore Support:** Includes hardware semaphore for inter-processor communication.
- **Bus Arbitration:** Built-in logic prevents contention during simultaneous access.
- **High-Speed Performance:** Optimized for fast data transfer in multiprocessing systems.
### **Features:**
- **True Dual-Port Memory:** Independent read/write operations on both ports.
- **Interrupt Support:** BUSY and INT flags for handshaking.
- **Low-Power CMOS Technology:** Reduces power consumption.
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.
- **Automatic Power-Down:** Reduces power in standby mode.
- **Industrial-Grade Reliability:** Suitable for harsh environments.
This device is commonly used in **multiprocessor systems, communication buffers, and data-sharing applications**.
(Source: IDT Datasheet for IDT7140LA20P)
