RS245TXTSS20
| Price: |
$0.08-$0.25 |
$0.35-$0.45 |
Replace parts:
Replacement parts:
Alternative parts:
Pin to pin parts:
|
RS245TXTSS20 |
74AHCT245PW
74HCT245PW
MC74ACT245DTR2G
MC74ACT245DTG
|
The RS245T is designed for asynchronous communication
between two data buses. The logic levels of the direction control (DIR) input and the output-enable ( OE ) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.
This device is fully specified for partial-power-down applications using IOFF. The IOFF circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The VCC isolation feature ensures that if either VCC input is at GND, all outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor, the minimum value of the resistor is determined by the current-sinking capability of the driver. It operates over an ambient temperature range of -40°C to +125°C.
Power-Supply Range: 2V to 5.5V
VCC Isolation: If VCC is at GND, Both Ports are in the High-Impedance State
IOFF: Supports Partial-Power-Down Mode Operation
Inputs are TTL-voltage compatible
Extended Temperature: -40°C to +125°C
Micro Size Packages: TSSOP20, SOP20
Applications
Factory Automation and Control
Grid Infrastructure
Multi-Function Printers
Motor Drives
Telecom Infrastructure
Packing & Delivery:
1. Shipping Method: Express (SF Express, DHL, TNT, FedEx, etc.), shipping charges are paid by the buyer.
2. Packaging Method: pressure-proof, moisture proof, shock-proof packaging.
3. Shipping Time: In stock items: 2-5 days. Lead Time orders: 45-65 days.
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