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Octal D-Type Latch 3-State Output IC - 74HC373
Octal D-Type Latch 3-State Output IC - 74HC373
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- Typical propagation delay: 18 ns
- Wide operating voltage range: 2 to 6 volts
- Low input current: 1 µA maximum
- Low quiescent current: 80 µA maximum (74 Series)
- Output drive capability: 15 LS-TTL loads
Octal D-Type Latch 3-State Output IC - 74HC373
The 74HC Series 74HC373 high-speed octal D-type latches utilize advanced silicon-gate CMOS technology. They possess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. Due to the large output drive capability and the 3-STATE feature, these devices are ideally suited for interfacing with bus lines in a bus-organized system.
When the LATCH ENABLE input is HIGH, the Q outputs will follow the D inputs. When the LATCH ENABLE goes LOW, data at the D inputs will be retained at the outputs until LATCH ENABLE returns HIGH again. When a high logic level is applied to the OUTPUT CONTROL input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. The 74HC logic family is speed, function, and pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and the ground.
Pinout:
Package Includes:
- 1 x IC - 74HC373
Specifications:
| Supply Voltage (VCC | − 0.5 to + 7.0V |
| Input Voltage (VIN) | −1.5VCC + 1.5V |
| Output Voltage (VOUT) | − 0.5 to VCC + 0.5V |
| Clamp Diode Current (IIK, IOK) | ± 20 mA |
| DC Output Current, per pin (IOUT) | ± 35 mA |
| DC VCC or GND Current, per pin (ICC) | ± 70 mA |
| Storage Temperature Range (TSTG) | − 65°C to + 150°C |
| Power Dissipation (PD) (Note 4) | 600 mW |
| S.O. Package only | 500 mW |
| Lead Temperature (TL) (Soldering 10 seconds) | 260°C |
Shipping & Returns
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ADDITIONAL RESOURCES
1.What is 74HC373?
- The 74HC373 is a three-state octal D-type transparent latch. The device has inputs for latch enable (LE) and output enable (OE). When LE is HIGH, data from the inputs is routed to the latches.