The 74HC573 devices are octal transparent D-type latches that feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. While the latch-enable (LE) input is high, the Q outputs respond to the data (D) inputs. When LE is low, the outputs are latched to retain the data that was set up.
Features:-
- Wide Operating Voltage Range from 2 V to 6 V
- High-Current 3-State Outputs Drive Bus Lines Directly up to 15 LSTTL Loads
- Low Power Consumption: 80-µA Maximum ICC
- Typical tpd = 21 ns
- ±6-mA Output Drive at 5 V
- Low Input Current: 1 µA (Maximum)
- Bus-Structured Pinout
Application:-
- Buffer Registers
- Bidirectional Bus Drivers
- Working Registers
Specification:-
| Symbol | Parameter | Value | Unit |
| VCC | Supply Voltage | − 0.5 to + 7.0V | V |
| IIK | DC Input Diode Current | ±20 | mA |
| IOK | DC Output Diode Current | ±20 | mA |
| IO | Output Current | ± 35 | mA |
| ICC or IGND | DC VCC or GND Current, per pin | ± 70 | mA |
| TSTG | Storage Temperature Range | − 65°C to + 150 | °C |
| TJ | Junction Temperature | 150 | °C |
* product image for illustration purposes only. actual product may vary.
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