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SN74AVC16T245DGGR Detailed explanation of pin function specifications and circuit principle instructions

The model number "SN74AVC16T245DGGR" belongs to Texas Instruments (TI), which is a well-known global semiconductor company that designs and manufactures analog and embedded processing chips.

Packaging Details:

Package Type: TSSOP (Thin Shrink Small Outline Package) Number of Pins: 48

Pin Function Specification and Circuit Principle Explanation

The SN74AVC16T245DGGR is a 16-bit dual-supply bus transceiver , and it supports 3-state outputs and can operate on different voltage levels for the driver and receiver sides. It is commonly used in bus-oriented applications where the transmission of data between systems requires level-shifting or bidirectional communication.

Pinout for SN74AVC16T245DGGR:

This IC is in a 48-pin TSSOP package, and the detailed pinout with functional descriptions for each of the 48 pins is as follows:

Pin Number Pin Name Pin Function 1 A1 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 2 A2 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 3 A3 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 4 A4 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 5 A5 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 6 A6 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 7 A7 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 8 A8 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 9 A9 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 10 A10 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 11 A11 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 12 A12 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 13 A13 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 14 A14 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 15 A15 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 16 GND Ground Pin 17 VCC Positive power supply pin 18 B1 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 19 B2 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 20 B3 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 21 B4 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 22 B5 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 23 B6 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 24 B7 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 25 B8 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 26 B9 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 27 B10 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 28 B11 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 29 B12 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 30 B13 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 31 B14 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 32 B15 Data input/output (B-side) – This is one of the 16 bidirectional data pins on the B side. 33 GND Ground Pin 34 DIR Direction control (input): Determines whether data flows from A to B or B to A. 35 OE Output Enable (input): Controls whether the data output is active or in a high-impedance state. 36 VCC Positive power supply pin 37 VCC Positive power supply pin 38 GND Ground Pin 39 GND Ground Pin 40 A16 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 41 A17 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 42 A18 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 43 A19 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 44 A20 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 45 A21 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 46 A22 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 47 A23 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side. 48 A24 Data input/output (A-side) – This is one of the 16 bidirectional data pins on the A side.

FAQ for SN74AVC16T245DGGR

What is the function of the "DIR" pin in the SN74AVC16T245DGGR? The DIR pin is used to control the direction of data flow. When DIR is high, data flows from A to B; when DIR is low, data flows from B to A. How does the "OE" pin function in the SN74AVC16T245DGGR? The OE (Output Enable) pin is used to control the activation of the data output. When OE is high, the data output is enabled; when low, the output is placed in a high-impedance state. What is the voltage range for the VCC pins in the SN74AVC16T245DGGR? The VCC pins in the SN74AVC16T245DGGR should be connected to a voltage supply between 2.3V and 3.6V. Can I use the SN74AVC16T245DGGR to interface with 5V logic systems? Yes, the SN74AVC16T245DGGR supports level shifting, so it can interface with both 5V and 3.3V logic systems. How many pins are used for data transmission in the SN74AVC16T245DGGR? There are 16 data pins on both the A side and B side, for a total of 32 pins used for data transmission. What is the maximum operating frequency of the SN74AVC16T245DGGR? The maximum frequency for reliable operation depends on the system conditions, but the device can handle high-speed data transfer, typically around 100 MHz for most applications. How can I determine the correct voltage for the "A" side and "B" side? The voltage for the A and B sides can be different to allow voltage level translation, but both sides must be between 1.65V and 3.6V for proper operation. What is the current rating of the SN74AVC16T245DGGR? The SN74AVC16T245DGGR has a low current consumption, typically around 5 µA for quiescent current. Is the SN74AVC16T245DGGR suitable for high-speed communication? Yes, the device is designed for high-speed bidirectional data communication and can handle fast switching rates. Can I use the SN74AVC16T245DGGR in a 3.3V logic system? Yes, the device supports both 2.3V and 3.3V logic levels, making it compatible with 3.3V systems.

This comprehensive explanation covers the pinout, packaging details, functional descriptions of each pin, and common FAQ for the SN74AVC16T245DGGR. This should provide a clear understanding of the device's operation and functionality.