The 'LVTH16952 devices are 16-bit registered transceivers 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 two 8-bit transceivers or one 16-bit transceiver. Data on the A or B bus is stored in the registers on the low-to-high transition of the clock (CLKAB or CLKBA) input, provided that the clock-enable (CLKENAB\ or CLKENBA\) input is low. Taking the output-enable (OEAB\ or OEBA\) input low accesses the data on either port.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
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 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.
The SN54LVTH16952 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LVTH16952 is characterized for operation from -40°C to 85°C.
Products containing the "SN74LVTH16952" keyword are: SN74LVTH16952DGG , SN74LVTH16952DGGR , SN74LVTH16952DGGR , SN74LVTH16952DGGRG4 , SN74LVTH16952DL , SN74LVTH16952DL , SN74LVTH16952DLG4 , SN74LVTH16952DLG4 , SN74LVTH16952DLR , SN74LVTH16952DLRWidebus is a trademark of Texas Instruments.
Status | ACTIVE |
SubFamily | Registered transceiver |
Technology Family | LVT |
VCC | 3.6 |
Bits | 16 |
Voltage | 3.3 |
F @ nom voltage | 160 |
tpd @ Nom Voltage | 4 |
IOL | 64 |
Rating | Catalog |
Operating temperature range | -40 to 85 |
Package Group | SSOP|56 |
Package size: mm2:W x L (PKG) | [pf]56SSOP[/pf]: 191 mm2: 10.35 x 18.42 (SSOP|56) |
Approx. price | 1.06 | 1ku |
Schmitt Trigger | No |