Overview
The SN74HC573AN is an octal transparent D-type latch produced by Texas Instruments. This component is part of the HC logic family and is designed to operate within a wide voltage range of 2 V to 6 V. It features 3-state outputs, making it suitable for driving highly capacitive or relatively low-impedance loads. The device is particularly useful in applications such as buffer registers, I/O ports, bidirectional bus drivers, and working registers.
Key Specifications
| Specification | Value |
|---|---|
| Part Name | SN74HC573AN |
| Manufacturer | Texas Instruments |
| Number Of Bits | 8 (bit) |
| Pin Count | 20 |
| Package Type | PDIP |
| Output Type | 3 State |
| Minimum Operating Supply Voltage (V) | 2 V |
| Maximum Operating Supply Voltage (V) | 6 V |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
| Latching Element | D Type |
| Logic Family | HC |
| Dimensions | 24.33 x 6.35 x 4.57 (mm) |
| Mounting Type | Through Hole |
Key Features
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state outputs capable of driving bus lines directly or up to 15 LSTTL loads
- Low power consumption with a maximum ICC of 80 μA
- Typical propagation delay (tpd) of 21 ns
- ±6-mA output drive at 5 V
- Low input current of 1 μA maximum
- Bus-structured pinout
- Qualified for automotive applications (for certain packages)
Applications
- Buffer Registers
- Bidirectional Bus Drivers
- Working Registers
- I/O Ports
The SN74HC573AN is particularly suitable for implementing these applications due to its 3-state outputs and ability to drive highly capacitive or low-impedance loads.
Q & A
- What is the operating voltage range of the SN74HC573AN?
The operating voltage range is from 2 V to 6 V.
- What type of outputs does the SN74HC573AN have?
The SN74HC573AN features 3-state outputs.
- What is the maximum ICC (power consumption) of the SN74HC573AN?
The maximum ICC is 80 μA.
- What is the typical propagation delay (tpd) of the SN74HC573AN?
The typical propagation delay is 21 ns.
- What is the output drive capability of the SN74HC573AN at 5 V?
The output drive capability is ±6 mA at 5 V.
- What is the maximum input current of the SN74HC573AN?
The maximum input current is 1 μA.
- What types of applications is the SN74HC573AN suitable for?
The SN74HC573AN is suitable for buffer registers, bidirectional bus drivers, working registers, and I/O ports.
- What is the package type of the SN74HC573AN?
The package type is PDIP (Plastic Dual In-Line Package).
- What is the pin count of the SN74HC573AN?
The pin count is 20.
- What are the dimensions of the SN74HC573AN?
The dimensions are 24.33 x 6.35 x 4.57 (mm).
