SN74LVCH162244AGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low-voltage, high-speed, 16-bit buffer/line driver with 3-state outputs
• Package: TSSOP-48
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2.3V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Input Current: ±10mA
• Maximum Output Current: ±32mA
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVCH162244AGR has a total of 48 pins arranged as follows:

┌───┬───┐ A1 -|1 └─ 48|- VCC B1 -|2 47|- OE# A2 -|3 46|- B2 B2 -|4 45|- A2 A3 -|5 44|- B3 B3 -|6 43|- A3 A4 -|7 42|- B4 B4 -|8 41|- A4 A5 -|9 40|- B5 B5 -|10 39|- A5 A6 -|11 38|- B6 B6 -|12 37|- A6 A7 -|13 36|- B7 B7 -|14 35|- A7 A8 -|15 34|- B8 B8 -|16 33|- A8 GND-|17 32|- B9 Y1 -|18 31|- A9 Y2 -|19 30|- B10 Y3 -|20 29|- A10 Y4 -|21 28|- B11 Y5 -|22 27|- A11 Y6 -|23 26|- B12 Y7 -|24 25|- A12 └───┴───┘

Functional Features

• Translates signals between different voltage levels, allowing compatibility between devices operating at different voltages.
• Provides bidirectional buffering and line driving capabilities for up to 16 signals.
• Supports 3-state outputs, enabling multiple devices to share a common bus.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various digital systems. - High-speed operation ensures efficient signal translation. - 3-state outputs enable easy bus sharing among multiple devices.

Disadvantages: - Limited number of input/output channels (16 in total). - TSSOP package may require careful handling during assembly.

Working Principles

The SN74LVCH162244AGR operates by receiving input signals from one voltage domain and translating them to another voltage domain. It uses a combination of level shifting and buffering techniques to ensure proper signal translation. The device also incorporates 3-state outputs, which allow it to drive the bus lines to a high-impedance state when not actively transmitting data.

Detailed Application Field Plans

The SN74LVCH162244AGR is commonly used in various digital systems where voltage level translation is required. Some typical application fields include:

1. Microcontroller interfacing with different voltage peripherals.
2. Communication interfaces between devices operating at different voltage levels.
3. Memory modules and storage systems.
4. Industrial automation and control systems.
5. Automotive electronics.

Detailed and Complete Alternative Models

1. SN74LVC244A: 8-bit buffer/line driver with 3-state outputs.
2. SN74LVCH245A: 8-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality but with varying channel counts and package options.

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