Octal Bus Transceiver With 3-State Outputs The SN74LV245AT is an octal bus transceiver manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:
### **Specifications:**
- **Logic Family:** LV (Low-Voltage CMOS)
- **Number of Channels:** 8 (Octal)
- **Supply Voltage Range:** 2 V to 5.5 V
- **Input Voltage Range:** 0 V to VCC
- **Output Drive Capability:** ±12 mA at 3.3 V
- **Propagation Delay:** 7.5 ns (max) at 5 V
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** TSSOP (Thin Shrink Small Outline Package)
- **Pin Count:** 20
### **Descriptions:**
The SN74LV245AT is a bidirectional octal bus transceiver designed for asynchronous communication between data buses. It allows data transmission from A to B or B to A, depending on the direction control input (DIR). The output-enable (OE) input disables the outputs when high, reducing power consumption.
### **Features:**
- **Bidirectional Voltage Translation:** Supports mixed-voltage systems (2 V to 5.5 V).
- **3-State Outputs:** Allows multiple devices to share a bus.
- **Low Power Consumption:** Typical ICC of 10 µA (max).
- **ESD Protection:** Exceeds 2000 V (HBM) and 1000 V (CDM).
- **Wide Operating Voltage:** Compatible with TTL and CMOS levels.
- **Bus-Hold on Data Inputs:** Eliminates the need for external pull-up/pull-down resistors.
This device is commonly used in data communication, buffering, and level-shifting applications.
