SN74LVTH16244ADGGR Buffer, Non-Inverting 4 Element 4 Bit per
Element 3-State Output 48-TSSOP
DESCRIPTION
The 'LVTH16244A devices are 16-bit buffers and line drivers
designed for low-voltage (3.3-V) VCC operation, but with the
capability to provide a TTL interface to a 5-V system environment.
These devices can be used as four 4-bit buffers, two 8-bit buffers,
or one 16-bit buffer. These devices provide true outputs and
symmetrical active-low output-enable (OE) inputs.Active bus-hold
circuitry holds unused or undriven inputs at a valid logic state.
Use of pullup or pulldown resistors with the bus-hold circuitry is
not recommended.When VCC is between 0 and 1.5 V, the devices are in
the high-impedance state during power up or power down.However, to
ensure the high-impedance state above 1.5 V, 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.These
devices are fully specified for hot-insertion applications using
Ioff and power-up 3-state. The Ioff circuitrydisables the outputs,
preventing damaging current backflow through the devices when they
are powered down.The power-up 3-state circuitry places the outputs
in the high-impedance state during power up and power down,which
prevents driver conflict.
Logic Type | Buffer, Non-Inverting |
Number of Elements | 4 |
Number of Bits per Element | 4 |
Input Type | - |
Output Type | 3-State |
Current - Output High, Low | 32mA, 64mA |
Voltage - Supply | 2.7V ~ 3.6V |
Operating Temperature | -40°C ~ 125°C (TA) |
Mounting Type | Surface Mount |
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