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SN74HC373N
+Lista de MateriaisIC OCT TRANSP D LATCH 20-DIP
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FabricanteTexas Instruments
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Peça do Fabricante #SN74HC373N
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Ficha Técnica SN74HC373N DataSheet
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Pacote PDIP (N)-20
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Especificações
| Atributo | Valor |
| Package | Tube |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | D-Type Transparent Latch |
| Circuit | 8:8 |
| OutputType | Tri-State |
| Voltage-Supply | 2V ~ 6V |
| IndependentCircuits | 1 |
| DelayTime-Propagation | 15ns |
| Current-OutputHighLow | 7.8mA, 7.8mA |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Through Hole |
| Package/Case | 20-DIP (0.300, 7.62mm) |
Visão Geral
Description
Key features include a wide operating voltage range of 2V to 6V, low power consumption due to CMOS technology, and a typical propagation delay of 14 ns, ensuring fast data processing. The SN74HC373N is pin-compatible with the traditional 74LS373 series but offers improved speed and lower power consumption.
In operation, the device can be controlled via an enable (G) and a latch-enable (LE) pin. When the LE pin is high, the data present at the input pins (D0-D7) is latched onto the output pins (Q0-Q7). The G pin, when low, enables the outputs, and when high, puts the outputs in a high-impedance state.
This IC is commonly used in memory interfaces, data acquisition systems, and digital systems requiring data latching and buffering.
Equivalent
1. 74HCT373 - NXP, ON Semiconductor
2. MC74HC373 - ON Semiconductor
3. CD74HC373 - Texas Instruments
4. TC74HC373 - Toshiba
5. MM74HC373 - Fairchild Semiconductor (now ON Semiconductor)
These alternatives generally offer similar functionality and electrical characteristics, but it's important to verify pin configuration and timing specs before substituting in your application.
Features
1. High-Speed Operation: It supports a wide range of supply voltages (2V to 6V) and achieves high-speed operation typical of CMOS technology.
2. Low Power Consumption: The device offers low power dissipation due to its CMOS architecture.
3. 3-State Outputs: Its outputs can be set to a high-impedance state, allowing for easy bus interfacing.
4. Latch Enable (LE): Data is transparently latched when LE is high, and retained when LE is low.
5. Output Control (OC): The outputs can be disabled independently of the clock state using an output control pin.
6. TTL Compatibility: It is compatible with TTL logic, facilitating integration with other TTL devices.
7. Temperature Range: It operates over a wide temperature range, making it suitable for various environments.
These features make the SN74HC373N ideal for applications in computing, telecommunications, and consumer electronics where data storage and bus interfacing are required.
Pinout
Key features of the SN74HC373N include:
- 8 Latches: It consists of eight latches that can capture and store the input data when the latch enable (LE) pin is active.
- 3-State Outputs: The outputs can be set to a high-impedance state using the output enable (OE) pin, allowing multiple devices to connect to a common bus without interference.
- Pin Configuration: It has 8 data inputs (D0-D7), 8 data outputs (Q0-Q7), a latch enable pin (LE), an output enable pin (OE), power supply pins (VCC and GND), and control pins.
This configuration provides flexibility in controlling data flow and storage in digital circuits, making the SN74HC373N a versatile component in digital electronics.