SN74ALVCH16952DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage-level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional voltage-level translator with 16-bit wide input/output bus
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Propagation Delay: 2.5 ns (typical)
• Low Power Consumption: ICC = 4 μA (maximum)

Detailed Pin Configuration

The SN74ALVCH16952DL has a total of 56 pins. The pin configuration is as follows:

1. OEAB
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. GND
10. B1
11. B2
12. B3
13. B4
14. B5
15. B6
16. B7
17. VCCB
18. OEB
19. Y1
20. Y2
21. Y3
22. Y4
23. Y5
24. Y6
25. Y7
26. GND
27. A8
28. A9
29. A10
30. A11
31. A12
32. A13
33. A14
34. A15
35. VCCA
36. B8
37. B9
38. B10
39. B11
40. B12
41. B13
42. B14
43. B15
44. VCCB
45. OEA
46. Y8
47. Y9
48. Y10
49. Y11
50. Y12
51. Y13
52. Y14
53. Y15
54. GND
55. A16
56. B16

Functional Features

• Bidirectional voltage-level translation between two independent buses
• Supports both 3.3V and 2.5V logic levels
• Provides automatic direction control based on the voltage level of OEAB and OEB pins
• Allows translation from a higher voltage level to a lower voltage level and vice versa
• Enables seamless communication between devices operating at different voltage levels

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing overall system power requirements - Wide supply voltage range enables compatibility with various systems - Bidirectional translation simplifies interfacing between different logic families

Disadvantages: - Limited number of input/output channels (16-bit wide bus) - May not support voltage levels other than 3.3V and 2.5V - Propagation delay may affect real-time applications requiring instant response

Working Principles

The SN74ALVCH16952DL operates by monitoring the voltage levels on the OEAB and OEB pins. Based on these levels, the device automatically controls the direction of data flow between the A and B buses. When OEAB is low and OEB is high, data can be transmitted from the A bus to the B bus. Conversely, when OEAB is high and OEB is low, data can be transmitted from the B bus to the A bus. The bidirectional translation is achieved through a combination of level-shifting circuitry and control logic.

Detailed Application Field Plans

The SN74ALVCH16952DL is commonly used in various applications where voltage-level translation is required. Some of the application fields include:

1. Microcontroller interfacing with different logic families
2. Communication systems involving multiple voltage domains
3. Data acquisition systems with mixed-voltage sensors
4. Industrial automation and control systems
5. Automotive electronics for interfacing between different subsystems

Detailed and Complete Alternative Models

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2. SN74AVC4T245PWR: Bidirectional voltage-level translator, 4-bit wide bus, TSSOP package
3. SN74HCT125N: Quad buffer/line driver, non-inverting, 14-pin DIP package
4. SN74LV4052ADGVR: Dual 4-channel analog multiplexer/demultiplexer, TSSOP package
5. SN74HC595N