Imagens apenas para referência
SN74HCT244PWR
+Lista de MateriaisIC BUF NON-INVERT 5.5V 20TSSOP
-
FabricanteTexas Instruments
-
Peça do Fabricante #SN74HCT244PWR
-
Pacote TSSOP-20
-
Em Estoque2217
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High Low | 6mA, 6mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include low power consumption, high noise immunity, and the ability to drive 15 LSTTL loads. It operates within a supply voltage range of 4.5V to 5.5V, making it ideal for 5V systems. The SN74HCT244PWR includes two groups of four buffers each, with separate output-enable controls. This configuration allows for easier design of bus-oriented systems and can be used to prevent data bus contention.
Common applications include use in memory address drivers, clock drivers, and bus-oriented receivers or transmitters. Overall, the SN74HCT244PWR is valued for its reliability and efficiency in various digital interfacing tasks.
Equivalent
1. 74HC244 from NXP, ON Semiconductor, and other manufacturers
2. CD74HCT244 from Texas Instruments
3. M74HC244 from STMicroelectronics
These alternatives offer similar functionality but may have variations in parameters such as voltage range, propagation delay, and packaging. Always verify the datasheet for compatibility with your specific application.
Features
1. High-Current Drive Capability: Can drive up to 15 LSTTL loads.
2. 3-State Outputs: Controlled by two output-enable (OE) inputs, allowing for multiple outputs to be connected to common lines.
3. Low Power Consumption: Uses CMOS technology for reduced power usage compared to standard TTL logic.
4. Wide Operating Voltage Range: Compatible with 4.5V to 5.5V power supply levels.
5. High-Speed Operation: Designed for fast data processing.
6. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
7. Input Protection: Includes clamp diodes for electrostatic discharge (ESD) protection.
8. Temperature Range: Operates effectively from -40°C to 85°C, suitable for various environments.
9. Compact Package: Available in a TSSOP (Thin Shrink Small Outline Package) for space efficiency.
These features make the SN74HCT244PWR a versatile choice for buffering and driving signals in digital systems.
Pinout
Manufacturer
Application
1. Bus Driver: Facilitates data transfer between different sections of a digital system by driving data onto a common bus.
2. Memory Address Driving: Drives memory address lines and ensures signal integrity.
3. Level Shifting: Converts TTL-compatible inputs to CMOS logic levels, useful in mixed-voltage systems.
4. Signal Isolation: Provides isolation and buffering between different stages in a circuit to prevent loading effects.
5. Multiplexer/De-Multiplexer Applications: Used in systems requiring multiple data paths, such as networking and communication devices.
Its versatility is beneficial in computers, telecommunications, and industrial control systems.