SN74AVC4T245
SN74AVC4T245 Dual-Bit Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
Overview
Part: SN74AVC4T245
Type: Dual-Bit Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
Key Specs:
- VCCA/VCCB Supply Voltage Range: 1.2V to 3.6V
- I/O Tolerance: 4.6V
- Maximum Data Rate (1.8V to 3.3V translation): 380Mbps
- Maximum Data Rate (< 1.8V to 3.3V translation): 200Mbps
- Maximum Data Rate (translate to 2.5V or 1.8V): 200Mbps
- Maximum Data Rate (translate to 1.5V): 150Mbps
- Maximum Data Rate (translate to 1.2V): 100Mbps
- Latch-up Performance: Exceeds 100mA per JESD 78, Class II
- ESD Protection (Human-Body Model): 8000V (A114-A)
- ESD Protection (Machine Model): 150V (A115-A)
- ESD Protection (Charged-Device Model): 1000V (C101)
Features:
- Control inputs VIH/VIL levels are referenced to VCCA voltage
- Fully configurable dual-rail design allows each port to operate over the full 1.2V to 3.6V power-supply range
- Ioff supports partial power-down-mode operation
- Universal low-voltage bidirectional translation between 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V voltage nodes
- Designed for asynchronous communication between two data buses
- VCCA supplies the control pins (1DIR, 2DIR, 1OE, and 2OE)
- VCC isolation feature: if either VCC input is at GND, then both ports are in the high-impedance state
Applications:
- Personal electronics
- Industrial
- Enterprise
- Telecom
Package:
- D (SOIC, 16): 9.9mm × 6mm
- DGV (TVSOP, 16): 3.6mm × 6.4mm
- PW (TSSOP, 16): 5mm × 6.4mm
- RGY (WQFN, 16): 4mm × 3.5mm
- RSV (UQFN, 16): 2.6mm × 1.8mm
- BQB (WQFN, 16): 3.5mm × 2.5mm
- DYY (SOT, 16): 4.2mm × 2mm
Features
- Control inputs VIH/VIL levels are referenced to VCCA voltage
- Fully configurable dual-rail design allows each port to operate over the full 1.2V to 3.6V power-supply range
- I/Os Are 4.6V tolerant
- Ioff supports partial power-down-mode operation
- Maximum data rates:
- 380Mbps (1.8V to 3.3V translation)
- 200Mbps (< 1.8V to 3.3V translation)
- 200Mbps (translate to 2.5V or 1.8V)
- 150Mbps (translate to 1.5V)
- 100Mbps (translate to 1.2V)
- Latch-up performance exceeds 100mA per JESD 78, Class II
- ESD protection exceeds JESD 22:
- 8000V Human-Body Model (A114-A)
- 150V Machine Model (A115-A)
- 1000V Charged-Device Model (C101)
Applications
Electrical Characteristics
| PARAMETER(1) | TA = 25°C | –40°C to 85°C | |||||||
|---|---|---|---|---|---|---|---|---|---|
| (2) | TEST CONDITIONS | VCCA | VCCB | MIN | TYP | MAX | MIN | ||
| VOH | IOH = –100μA IOH = –3mA IOH = –6mA | 1.2V to 3.6V 1.2V 1.4V | 1.2V to 3.6V 1.2V 1.4V | 0.95 | VCCO – 0.2 1.05 | ||||
| IOH = –8mA IOH = –9mA IOH = –12mA IOL = 100μA IOL = 3mA | VI = VIH | 1.65V 2.3V 3V 1.2V to 3.6V 1.2V | 1.65V 2.3V 3V 1.2V to 3.6V 1.2V | 0.25 | 1.2 1.75 2.3 | ||||
| IOL = 6mA | VI = VIL | 1.4V | 1.4V | ||||||
| VOL | IOL = 8mA IOL = 9mA IOL = 12mA | 1.65V 2.3V 3V | 1.65V 2.3V 3V | ||||||
| II | Control inputs | VI = VCCA or GND | 1.2V to 3.6V | 1.2V to 3.6V | ±0.025 | ±0.25 | |||
| 0V | 0V to 3.6V | ±0.1 | ±1 | ||||||
| Ioff | A or B port | VI or VO = 0 to 3.6V | 0V to 3.6V | 0V | ±0.1 | ±1 | |||
| IOZ | A or B port | VO = VCCO or GND, VI = VCCI or GND, OE = VIH VI = VCCI or GND, IO = 0 | 3.6V 1.2V to 3.6V | 3.6V 1.2V to 3.6V | ±0.5 | ±2.5 | |||
| ICCA | 0V 0V to 3.6V 1.2V to 3.6V | 0V to 3.6V 0V 1.2V to 3.6V | |||||||
| ICCB | VI = VCCI or GND, IO = 0 | 0V 0V to 3.6V | 0V to 3.6V 0V | ||||||
| ICCA + ICCB | VI = VCCI or GND, IO = 0 | 1.2V to 3.6V | 1.2V to 3.6V | ||||||
| Ci | Control inputs | VI = 3.3V or GND | 3.3V | 3.3V | 3.5 | ||||
| Cio | A or B port | VO = 3.3V or GND | 3.3V | 3.3V | 6 |
(1) VCCI is the VCC associated with the input port.
(2) VCCO is the VCC associated with the output port.
5.6 Operating Characteristics
TA = 25°C
| PARAMETER | TEST CONDITIONS | VCCA = VCCB = 1.2V | VCCA = VCCB = 1.5V | VCCA = VCCB = 1.8V | VCCA = VCCB = 2.5V | VCCA = VCCB = 3.3V | UNIT | |
|---|---|---|---|---|---|---|---|---|
| TYP | TYP | TYP | TYP | TYP | ||||
| CpdA(1) | A to B | Outputs enabled | CL = 0, f = 10MHz, tr | |||||
| (1) Power dissipation capacitance per transceiver |
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
| MIN(1) | MAX | UNIT | |||
|---|---|---|---|---|---|
| VCCA VCCB | Supply voltage range | 4.6 | V | ||
| VI | Input voltage range(2) | I/O ports (A port) | –0.5 | 4.6 | V |
| I/O ports (B port) | –0.5 | 4.6 | |||
| Control inputs | –0.5 | 4.6 | |||
| VO | Voltage range applied to any output in the high-impedance or power-off state(2) | A port | –0.5 | 4.6 | V |
| B port | –0.5 | 4.6 | |||
| VO | Voltage range applied to any output in the high or low state(2) (3) | A port | –0.5 | VCCA + 0.5 | V |
| B port | –0.5 | VCCB + 0.5 | |||
| IIK | Input clamp current | VI < 0 | –50 | mA | |
| IOK | Output clamp current | VO < 0 | –50 | mA | |
| IO | Continuous output current | ±50 | mA | ||
| Continuous current through VCCA, VCCB, or GND | ±100 | mA | |||
| Tstg | Storage temperature range | –65 | 150 | °C |
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute maximum rated conditions for extended periods may affect device reliability.
(2) The input voltage and output negative-voltage ratings may be exceeded if the input and output current ratings are observed.
(3) The output positive-voltage rating may be exceeded up to 4.6V maximum if the output current rating is observed.
5.2 ESD Ratings
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) | 8 | kV | |
| Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) | 1 | kV | |||
| Machine model (C101) | 150 | V |
(1) JEDEC document JEP155 states that 500V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250V CDM allows safe manufacturing with a standard ESD control process.
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)(1) (2) (3)
| VCCI | VCCO | MIN | MAX | UNIT | |||
|---|---|---|---|---|---|---|---|
| VCCA | Supply voltage | 1.2 | 3.6 | V | |||
| VCCB | Supply voltage | 1.2 | 3.6 | V | |||
| VIH | High-level input voltage | Data inputs(4) | 1.2V to 1.95V | VCCI × 0.65 | V | ||
| 1.95V to 2.7V | 1.6 | ||||||
| 2.7V to 3.6V |
(1) VCCI is the VCC associated with the input port.
(2) VCCO is the VCC associated with the output port.
(3) All unused data inputs of the device must be held at VCCI or GND for proper device operation. Refer to the Implications of Slow or Floating CMOS Inputs application report.
(4) For VCCI values not specified in the data sheet, VIH min = VCCI × 0.7V, VIL max = VCCI × 0.3V
(5) For VCCI values not specified in the data sheet, VIH min = VCCA × 0.7V, VIL max = VCCA × 0.3V
Thermal Information
| SN74AVC4T245 | ||
|---|---|---|
| THERMAL METRIC(1) | D | |
| 16 PINS | ||
| RθJA | Junction-to-ambient thermal resistance | 85.5 |
| RθJC(top) | Junction-to-case (top) thermal resistance | 46.9 |
| RθJB | Junction-to-board thermal resistance | 43.0 |
| ψJT | Junction-to-top characterization parameter | 13.4 |
| ψJB | Junction-to-board characterization parameter | 42.7 |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | — |
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| SN74AVC4T245PWR | — | — |
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