3.3-V ABT 18-Bit Universal Bus Transceivers With 3-State Outputs

The ?LVTH16501 devices are 18-bit universal Bus Transceivers designed for low-voltage (3.3-V) V CC operation, but with the capability to provide a TTL Interface to a 5-V system environment.
Data flow in each direction is controlled by output-enable (OEAB and OEBA), latch-enable (LEAB and LEBA), and Clock (CLKAB and CLKBA) inputs. For A-to-B data flow, the devices operate in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low Logic level. If LEAB is low, the A data is stored in the latch Flip-Flop on the low-to-high transition of CLKAB. When OEAB is high, the outputs are active. When OEAB is low, the outputs are in the high-impedance state.
Data flow for B to A is similar to that of A to B but uses OEBA, LEBA, and CLKBA. The output enables are complementary (OEAB is active high and OEBA is active low).
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 and OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver.
These devices are fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry disables 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.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74LVTH16501DL Texas Instruments 3.3-V ABT 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85
SN74LVTH16501DLG4 Texas Instruments 3.3-V ABT 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85
SN74LVTH16501DLR Texas Instruments 3.3-V ABT 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85
SN74LVTH16501DGGR Texas Instruments 3.3-V ABT 18-Bit Universal Bus Transceivers With 3-State Outputs 56-TSSOP -40 to 85
SN74LVTH16501 's PackagesSN74LVTH16501 's pdf datasheet
74LVTH16501DGGRE4 TSSOP
74LVTH16501DLRG4 SSOP
SN74LVTH16501DGGR TSSOP
SN74LVTH16501DL SSOP
SN74LVTH16501DLG4 SSOP
SN74LVTH16501DLR SSOP




SN74LVTH16501 Pinout, Pinouts
SN74LVTH16501 pinout,Pin out
This is one package pinout of SN74LVTH16501,If you need more pinouts please download SN74LVTH16501's pdf datasheet.

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