Overview
The 74ALVC164245DL, produced by NXP Semiconductors, is a high-performance, low-power, low-voltage, Si-gate CMOS device. It is superior to most advanced CMOS compatible TTL families and is designed as a 16-bit (dual octal) dual supply translating transceiver. This device features non-inverting 3-state bus compatible outputs in both send and receive directions, making it ideal for interfacing between 3 V and 5 V buses in mixed supply environments. It can be used as two 8-bit transceivers or one 16-bit transceiver.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC(A) Supply Voltage (3 V bus) | 1.5 | 3.6 | V | ||
| VCC(B) Supply Voltage (5 V bus) | 1.5 | 5.5 | V | ||
| LOW-level Input Voltage (VIL) | VCC(A) = 2.3 V to 2.7 V | 0.7 | V | ||
| Output Voltage (VOH) | VCC(B) = 4.5 V to 5.5 V, IO = -24 mA | VCC(B) - 0.8 | V | ||
| Propagation Delay (tPZH, tPZL) | VCC(A) = 2.7 V, VCC(B) = 4.5 V to 5.5 V | 1.5 | 3.5 | 9.0 | ns |
| Disable Time (tdis) | VCC(A) = 3.0 V to 3.6 V, VCC(B) = 4.5 V to 5.5 V | 2.0 | 3.2 | 8.6 | ns |
| Operating Temperature Range | -40 | 85 | °C | ||
| Package Type | SSOP48 (SOT370-1) |
Key Features
- Wide supply voltage range: 1.5 V to 3.6 V for VCC(A) and 1.5 V to 5.5 V for VCC(B)
- CMOS low power consumption
- Overvoltage tolerant inputs up to 5.5 V
- Direct interface with TTL levels
- IOFF circuitry provides partial Power-down mode operation
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Control inputs voltage range from 2.7 V to 5.5 V
- High-impedance outputs when VCC(A) or VCC(B) = 0 V
- Complies with JEDEC standards: JESD8-7, JESD8-5, JESD8C
- ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Applications
The 74ALVC164245DL is designed for use in mixed 3 V and 5 V supply environments, making it suitable for a variety of applications such as:
- Interface between different voltage level systems
- Data communication in multi-voltage systems
- Embedded systems requiring voltage translation
- Industrial control systems
- Consumer electronics with mixed voltage requirements
Q & A
- What is the primary function of the 74ALVC164245DL?
The 74ALVC164245DL is a 16-bit dual supply translating transceiver designed to interface between 3 V and 5 V buses in mixed supply environments.
- What are the supply voltage ranges for VCC(A) and VCC(B)?
VCC(A) ranges from 1.5 V to 3.6 V, and VCC(B) ranges from 1.5 V to 5.5 V.
- What is the significance of the direction control inputs (1DIR and 2DIR)?
The direction control inputs determine the direction of data flow. nDIR (active HIGH) enables data from nAn ports to nBn ports, and nDIR (active LOW) enables data from nBn ports to nAn ports.
- How do the output enable inputs (1OE and 2OE) function?
When the output enable inputs (1OE and 2OE) are HIGH, they disable both nAn and nBn ports by placing them in a high-impedance OFF-state.
- What is the operating temperature range of the 74ALVC164245DL?
The operating temperature range is from -40°C to +85°C, and it can also operate from -40°C to +125°C under certain conditions.
- What kind of ESD protection does the 74ALVC164245DL offer?
The device offers ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, and CDM ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V.
- Can the 74ALVC164245DL be used as multiple transceivers?
Yes, it can be used as two 8-bit transceivers or one 16-bit transceiver.
- What is the package type of the 74ALVC164245DL?
The package type is SSOP48 (SOT370-1).
- Does the 74ALVC164245DL comply with any specific standards?
Yes, it complies with JEDEC standards: JESD8-7, JESD8-5, and JESD8C.
- What is the significance of the IOFF circuitry in the 74ALVC164245DL?
The IOFF circuitry provides partial Power-down mode operation.
- How does the device handle latch-up performance?
The latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
