4-bit bidirectional universal shift register The SN74LS194AN is a 4-bit bidirectional universal shift register manufactured by Motorola (MOTO) and Texas Instruments (TI).
### **Specifications:**
- **Logic Family:** LS (Low-Power Schottky)
- **Function:** 4-bit bidirectional universal shift register
- **Operating Voltage:** 4.75V to 5.25V
- **Operating Temperature Range:** 0°C to 70°C
- **Package:** 16-pin DIP (Dual In-line Package)
- **Output Type:** TTL (Transistor-Transistor Logic)
- **Clock Frequency:** Up to 25 MHz (typical)
- **Propagation Delay:** 30 ns (max)
- **Current Consumption (ICC):** 8 mA (max)
### **Descriptions:**
- The SN74LS194AN is a versatile shift register capable of parallel loading, serial shifting left or right, and holding data.
- It features synchronous operation with a single clock input.
- It includes mode control inputs (S0, S1) to select between parallel load, shift left, shift right, or hold modes.
### **Features:**
- **Bidirectional Shifting:** Supports both left and right shifting.
- **Parallel Load Capability:** Allows direct loading of data via parallel inputs.
- **Synchronous Operation:** Controlled by a single clock input.
- **Clear Input:** Asynchronous master reset (MR) for clearing all flip-flops.
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.
- **Wide Operating Voltage Range:** Supports standard 5V logic systems.
This information is based on the manufacturer's datasheet for the SN74LS194AN.
