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Part Number: IDT74LVCH2245A
Description: This bus transceiver is built using advanced dual metal CMOS technology. The LVCH2245A device is designed for asynchron...
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IDT74LVCH2245A
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General Description
IDT74LVCH2245A General Description
This bus transceiver is built using advanced dual metal CMOS technology. The LVCH2245A device is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated.
Inputs can be driven from either 3.3V or 5V devices. This feature allows the use of this device as a translator in a mixed 3.3V/5V environment.
The LVCH2245A has series resistors in the output structure of the "B" port, which will significantly reduce line noise when used with light loads. The driver has been designed to drive ±12mA at the designated threshold levels. The "A" port has a ±24mA driver.
The LVCH2245A has "bus-hold" which retains the inputs' last state whenever the input goes to a high-impedance. This prevents floating inputs and eliminates the need for pull-up/down resistors.
IDT74LVCH2245A Maximum Ratings
|
Symbol |
Description |
Max |
Unit |
|
VTERM |
Terminal Voltage with Respect to GND |
0.5 to +6.5 |
V |
|
TSTG |
Storage Temperature |
65 to +150 |
°C |
|
IOUT |
DC Output Current |
50 to +50 |
mA |
|
IIK IOK |
Continuous Clamp Current, VI < 0 or VO < 0 |
50 |
mA |
|
ICC ISS |
Continuous Current through each VCC or GND |
±100 |
mA |
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
IDT74LVCH2245A Features
• Balanced Output Drivers: ±12mA (B Port)
• High Output Drivers: ±24mA (A Port)
• 0.5 MICRON CMOS Technology
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0)
• VCC = 3.3V ± 0.3V, Normal Range
• VCC = 2.7V to 3.6V, Extended Range
• CMOS power levels (0.4 W typ. static)
• Rail-to-rail output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
• Supports hot insertion
• Available in SOIC, SSOP, QSOP, and TSSOP packages
• High Output Drivers: ±24mA (A Port)
• 0.5 MICRON CMOS Technology
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0)
• VCC = 3.3V ± 0.3V, Normal Range
• VCC = 2.7V to 3.6V, Extended Range
• CMOS power levels (0.4 W typ. static)
• Rail-to-rail output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
• Supports hot insertion
• Available in SOIC, SSOP, QSOP, and TSSOP packages
IDT74LVCH2245A Typical Application
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
• Data communication and telecommunication systems
IDT74LVCH2245A Connection Diagram
IDT74LVCH2245A
PDF/DataSheet Download
- Datasheet: IDT74LVCH2245A
- File Size: 70114 KB
- Manufacturer: IDT
- Click here to Download
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