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SN74ABT245BDWR
+StücklisteIC TXRX NON-INVERT 5.5V 20SOIC
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HerstellerTexas Instruments
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Herstellerteil #SN74ABT245BDWR
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Auf Lager2088
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74ABT |
| ProductStatus | Active |
| LogicType | Transceiver, Non-Inverting |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| OutputType | 3-State |
| Current-OutputHighLow | 32mA, 64mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
Übersicht
Description
Key features include output enable (OE) and direction control (DIR) pins, which control the signal flow direction and the activation of the transceiver outputs. This device is widely used in applications requiring bidirectional data transfer between different parts of a system, such as microprocessors or peripheral devices. Its small-outline integrated circuit (SOIC) package makes it suitable for compact designs. Additionally, the SN74ABT245BDWR is designed to be compatible with TTL and CMOS logic levels, providing versatility in different digital circuit environments.
Equivalent
1. 74HC245 - A similar octal bus transceiver with lower power consumption.
2. 74ALS245 - Offers similar functionality with different electrical characteristics.
3. 74F245 - Fast variant with similar functionality.
4. 74AHC245 - Advanced high-speed CMOS variant.
Always verify electrical and mechanical specifications to ensure compatibility for your specific application.
Features
1. Voltage Range: Operates within a supply voltage range from 4.5V to 5.5V.
2. High-Speed Operation: Delivers high-speed performance with fast propagation delays and transition times.
3. Three-State Outputs: Outputs can be placed in a high-impedance state to enable multiple devices to share a common bus without interference.
4. Low Power Consumption: Offers reduced power dissipation, making it suitable for battery-powered applications.
5. Controlled Output Edge Rates: Limits output edge rates to minimize noise.
6. Bi-directional Data Flow: Allows data to transfer in both directions, controlled by the direction (DIR) pin.
7. Drive Capability: Can drive up to 64 devices, suitable for driving loads like bus lines.
8. Latch-up Performance: Tested for 250 mA at 85°C, ensuring robust operation.
9. Available in Small Package: Offered in a 20-pin SOIC package, providing space-saving advantages for compact designs.
These features make it ideal for data buffering and bus interfacing in various digital applications.
Pinout
The key functions and pin configuration include:
1. V_CC (Pin 20): Supply voltage.
2. GND (Pin 10): Ground.
3. A1-A8 (Pins 2, 3, 4, 5, 6, 7, 8, 9): Data inputs/outputs for bus A.
4. B1-B8 (Pins 18, 17, 16, 15, 14, 13, 12, 11): Data inputs/outputs for bus B.
5. OE (Pin 19): Output enable. When low, it enables the device to transmit data. When high, it places the outputs in high-impedance mode.
6. DIR (Pin 1): Direction control. Determines the direction of data flow. When high, data flows from A to B. When low, data flows from B to A.
The SN74ABT245BDWR is suitable for applications requiring bidirectional data transfer and level shifting between buses.
Manufacturer
Application
1. Data Bus Isolation: It provides isolation between data buses in computing and communication devices.
2. Level Shifting: Useful in interfacing circuits with different voltage levels.
3. Memory and Microprocessor Systems: Facilitates communication between microprocessors, memory, and peripheral components.
4. Networking Equipment: Used in routers and switches for data handling.
5. Industrial Automation: Applied in control systems for efficient data routing.
Its features include high-speed operation, low power consumption, and the ability to drive capacitive loads.