SN74LVC244APWR
Buffers, Drivers, Receivers, Transceivers
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 2.625 V |
| Number of Elements | 2 |
| Iq A | 4e-05 |
| Input type | - |
| Current - Output High(IOH) | 24mA |
| Current - Output Low(IOL) | 24mA |
| Number of Bits per Element | 4 |
| Type | Description |
|---|---|
| Channel Type | Unidirectional |
| Output Type | Tri-State |
| Operating Temp | -40°C ~ +125°C |
| Features | Level shifting;Power-off isolation;Output enable |
| Tpd Ns | 3.9 |
| Package / Case | TSSOP-20 |
Product Introduction
This octal buffer/line driver is operational at 1.5V to 3.6 - VCC but is designed specifically for 1.65 - V to 3.6 - VCC operation.
The SN74LVC244A is organized as two 4 - bit line 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.
Inputs can be driven from either 3.3 - V or 5 - V devices. This feature allows the use of this device as a translator in a mixed 3.3 - V/5 - V system environment.
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.
This device is fully specified for partial - power - down applications using LOH. The LOH circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
Features
- Operates From 1.65 V to 3.6 V
- Inputs Accept Voltages to 5.5 V
- Specified From - 40℃ to 85℃ and - 40℃ to 125℃
- Max tpd of 5.9 ns at 3.3 V
- Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25℃
- Typical VOLV (Output VOL Undershoot) > 2 V at VCC = 3.3 V, TA = 25℃
- Supports Mixed - Mode Signal Operation on All Ports (5 - V Input/Output Voltage With 3.3 - V VCC)
- loff Supports Partial - Power - Down Mode Operation
- Latch - Up Performance Exceeds 250 mA Per JESD 17
- ESD Protection Exceeds JESD 22
- 2000 - V Human - Body Model (A114 - A)
- 200 - V Machine Model (A115 - A)
- 1000 - V Charged - Device Model (C101)
Applications
- - Level translation for mixed 3.3V/5V voltage systems - Buffered line drive applications - Applications requiring partial power-down operation
Datasheet
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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