Images à titre indicatif uniquement
SN74LVC4245APWR
+NomenclatureIC TRNSLTR BIDIRECTIONAL 24TSSOP
-
FabricantTexas Instruments
-
Pièce fabricant #SN74LVC4245APWR
-
Package TSSOP-24
-
En stock1687
365 Garantie qualité 24h/24
7*24 Garantie de service 24h/24
90-Garantie après-vente 24h/24
Garantie produit authentique
Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74LVC |
| Part Status | Active |
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Number of Circuits | 1 |
| Channelsper Circuit | 8 |
| Voltage - VCCA | 4.5 V ~ 5.5 V |
| Voltage - VCCB | 2.7 V ~ 3.6 V |
| Output Type | Tri-State, Non-Inverted |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include:
- Two supply voltage pins: VCCA (1.65V to 3.6V) and VCCB (2.3V to 5.5V), enabling flexible voltage level conversion.
- 3-state outputs that can be disabled, allowing for shared bus configurations.
- A direction control pin (DIR) to set the data flow direction.
- Integrated pull-up resistors on control inputs to prevent floating states.
The SN74LVC4245APWR is widely used in applications requiring level shifting, such as interfacing microcontrollers with higher voltage peripherals. Its compact TSSOP (Thin Shrink Small Outline Package) makes it suitable for space-constrained designs. With robust ESD protection and low power consumption, it is an efficient choice for modern electronic circuits.
Equivalent
1. 74LVC4245A from Nexperia
2. 74LVC4245A from ON Semiconductor
3. TXS0108E from Texas Instruments (for different voltage translation needs)
4. 74AVC8T245 from Nexperia (similar function with voltage translation)
5. MC74VHC4245 from ON Semiconductor
Always verify the specific requirements and pin configuration when selecting a replacement.
Features
1. Dual Supply Voltage Operation: Supports two separate power-supply rails, allowing bidirectional voltage translation between 3.3V and 5V logic levels.
2. Wide Voltage Range: Operates from 1.65V to 5.5V on both VCCA and VCCB, enabling compatibility with a wide range of devices.
3. OE Control: Output Enable (OE) pin controls the 3-state outputs, allowing for bus isolation when inactive.
4. High-Speed Operation: Provides high-speed data transfer capabilities with maximum propagation delays of 6.5 ns.
5. Low Power Consumption: Features low static and dynamic power dissipation.
6. Ioff Support: Ioff circuitry disables the outputs, preventing damaging current backflow when the device is powered down.
7. Latch-Up Performance: High immunity against latch-up exceeding 100mA per JESD 78 standard.
8. Packaging: Available in TSSOP (PW) package, optimizing space for board layouts.
These features make the SN74LVC4245APWR suitable for interfacing mixed-voltage systems and translating between logic levels in communication circuits.
Pinout
Key features of the SN74LVC4245APWR include:
- Dual-Supply Operation: It operates with separate supply voltages for A and B ports, allowing for interfacing between systems with different logical levels.
- Bidirectional Data Flow: Provides 8-bit bidirectional translation with control inputs.
- 3-State Outputs: When the output enable pin is high, the outputs are in a high-impedance state.
- High-Speed Operation: Offers fast propagation delays for efficient data transfer.
This device is commonly used in applications where signal integrity needs to be maintained while interfacing components operating at different voltage levels.
Manufacturer
Application
1. Voltage Level Translation: It can interface between different voltage levels, making it suitable for systems that require communication between components operating at different voltages.
2. Data Communication: Used in data buses for microcontrollers, microprocessors, and peripheral devices to enable seamless data transfer.
3. Digital Signal Processing: Helps in interfacing various digital components in systems like DSPs or FPGAs.
4. Consumer Electronics: Utilized in devices requiring efficient voltage translation and data transfer, such as smartphones and tablets.
5. Industrial Automation: Applied in controlling and interfacing with various sensors and actuators.