Overview
The 74LCX162373MTDX is a low-voltage 16-bit transparent latch produced by Fairchild Semiconductor. This device is designed for bus-oriented applications and features 5V tolerant inputs and outputs, making it versatile for various signal environments. The 74LCX162373 is fabricated using advanced CMOS technology, which ensures high-speed operation while maintaining low power dissipation. The device includes sixteen non-inverting latches with 3-STATE outputs, and it is byte controlled, allowing each byte to function independently but identically.
Key Specifications
| Parameter | Min | Max | Units | Conditions |
|---|---|---|---|---|
| VCC Supply Voltage | 2.0 | 3.6 | V | Operating |
| VI Input Voltage | 0 | 5.5 | V | |
| VO Output Voltage | 0 | 5.5 | V | 3-STATE |
| VIH HIGH Level Input Voltage | 1.7 | 2.0 | V | VCC = 2.3V to 2.7V |
| VIL LOW Level Input Voltage | 0.7 | 0.8 | V | VCC = 2.3V to 2.7V |
| VOH HIGH Level Output Voltage | 1.8 | 2.4 | V | IOH = -4mA, VCC = 3.0V |
| VOL LOW Level Output Voltage | 0.2 | 0.8 | V | IOL = 12mA, VCC = 3.0V |
| tPHL Propagation Delay | 1.5 | 6.2 | ns | VCC = 3.3V, CL = 50pF |
| tPLH Propagation Delay | 1.5 | 6.2 | ns | VCC = 3.3V, CL = 50pF |
| tPZL Output Enable Time | 1.5 | 6.9 | ns | VCC = 3.3V, CL = 50pF |
| tPLZ Output Disable Time | 1.5 | 6.0 | ns | VCC = 3.3V, CL = 50pF |
Key Features
- 5V tolerant inputs and outputs
- 2.3V to 3.6V VCC specifications
- Equivalent 26Ω series resistor outputs to reduce output overshoot and undershoot
- High speed operation with propagation delays as low as 6.2ns (VCC = 3.3V)
- Low power dissipation with ICC max of 20μA
- Supports live insertion/withdrawal
- Output drive capability of up to 12mA (VCC = 3.0V)
- Latch-up performance exceeds 500mA
- ESD performance: Human body model 2000V, Machine model 200V
- Available in various packages including SSOP, TSSOP, and FBGA
Applications
The 74LCX162373MTDX is suitable for a variety of bus-oriented applications, including data transmission and storage systems, where the need for high-speed, low-power, and 5V tolerant interfaces is critical. It is particularly useful in environments where data needs to be latched and transmitted reliably, such as in computer peripherals, networking equipment, and other digital systems.
Q & A
- What is the primary function of the 74LCX162373MTDX?
The primary function of the 74LCX162373MTDX is to act as a 16-bit transparent latch, allowing data to be latched and transmitted in bus-oriented applications.
- What are the operating voltage ranges for the 74LCX162373MTDX?
The device operates within a VCC range of 2.0V to 3.6V.
- What is the significance of 5V tolerant inputs and outputs?
The 5V tolerant inputs and outputs allow the device to interface with 5V signal environments, making it versatile for use in various systems.
- How does the device reduce output overshoot and undershoot?
The device includes equivalent 26Ω series resistors in the outputs to reduce output overshoot and undershoot.
- What are the propagation delays for this device?
The propagation delays are as low as 6.2ns for VCC = 3.3V and CL = 50pF.
- What is the maximum output drive capability of the device?
The device can drive up to 12mA of current at VCC = 3.0V.
- Does the device support live insertion/withdrawal?
Yes, the device supports live insertion/withdrawal.
- What are the ESD protection levels for this device?
The device has ESD protection levels of 2000V for the human body model and 200V for the machine model.
- In what packages is the 74LCX162373MTDX available?
The device is available in SSOP, TSSOP, and FBGA packages.
- What is the typical power consumption of the device?
The typical power consumption is ICC max of 20μA.
