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Part Number: 54LVTH244A
Description: Maxwell Technologies' 54LVTH244A octal buffers/drivers micro-circuit is housed in a Rad-Pak® package. The 54LVTH244...
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54LVTH244A
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DataSheet
General Description
54LVTH244A General Description
Maxwell Technologies' 54LVTH244A octal buffers/drivers micro-circuit is housed in a Rad-Pak® package. The 54LVTH244A is designed specifically for low voltage (3.3V) VCC operation, but with the capability to provide a TTL interface to a 5V system environment. The 54LVTH244A is organized as two 4-bit drivers with separate output enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high impedance state. The 54LVTH244A active bus hold circuitry is provided to prevent floating data inputs at a valid logic level and to eliminate the need for pullup resistors.
Maxwell Technologies' patented RAD-PAK® packaging technology incorporates radiation shielding in the microcircuit package. It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or a space mission. This product is available with packaging and screening up to Class S.
54LVTH244A Maximum Ratings
| PARAMETER | SYMBOL | MIN | MAX | UNIT |
| Supply Voltage Range | VCC | -0.5 |
4.6 | V |
| Input Voltage Range 2 | VI | -0.5 |
7.0 | V |
| Voltage Range Applied to Any Output in the High State or Power-Off State |
VO |
-0.5 |
7.0 | V |
| Current into Any Output in the Low State | IO | -- |
96 | mA |
| Current Into Any Output in the High State 3 | IO | -- | 48 | mA |
| Input Clamp Current (VI < 0) | IIK | -- | -50 | mA |
| Output Clamp Current (VO < 0) | IOK |
-- | -50 | mA |
| Total Power Dissipation at TA = 55 °C | PD | -- | 650 | mW |
| Operating Temperature | TA | -55 | 125 | °C |
| Storage Temperature Range | TS | -65 | 150 | °C |
54LVTH244A Features
• 3.3V ABT octal buffers/drivers with 3-state outputs
• RAD-PAK® radiation-hardened against natural space radiation
• Package:
- 20 Pin RAD-PAK® flat package
• Operating temperature range: -55 to 125°C
• Supports mixed-mode signal operation
- 5V Input and Output Voltages with 3.3V VCC
• Supports mixed-mode signal operation
- 5V input and output voltages with 3.3V VCC
• Supports unregulated battery operation down to 2.7V
• Typical VOLP (output ground bounce) < 0.8V at VCC=3.3V, TA=25°C
• Supports live insertion
• Bus-hold data inputs eliminate the need for external pullup resistors
• RAD-PAK® radiation-hardened against natural space radiation
• Package:
- 20 Pin RAD-PAK® flat package
• Operating temperature range: -55 to 125°C
• Supports mixed-mode signal operation
- 5V Input and Output Voltages with 3.3V VCC
• Supports mixed-mode signal operation
- 5V input and output voltages with 3.3V VCC
• Supports unregulated battery operation down to 2.7V
• Typical VOLP (output ground bounce) < 0.8V at VCC=3.3V, TA=25°C
• Supports live insertion
• Bus-hold data inputs eliminate the need for external pullup resistors
54LVTH244A Connection Diagram
54LVTH244ARPFB
PDF/DataSheet Download
- Datasheet: 54LVTH244ARPFB
- File Size: 198659 KB
- Manufacturer: MAXWELL [Maxwell Technologies]
- Click here to Download
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