Features: Low rDS(on) ...5 Typical Avalanche Energy ...30 mJ Eight Power DMOS-Transistor Outputs of150-mA Continuous Current 500-mA Typical Current-Limiting Capability Output Clamp Voltage . . . 50 V Four Distinct Function Modes Low Power ConsumptionPinoutSpecificationsLogic supply voltage, V...
TPIC6B259: Features: Low rDS(on) ...5 Typical Avalanche Energy ...30 mJ Eight Power DMOS-Transistor Outputs of150-mA Continuous Current 500-mA Typical Current-Limiting Capability Output Clamp Voltage . . ....
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Low rDS(on) ...5 Typical
Avalanche Energy ...30 mJ
Eight Power DMOS-Transistor Outputs of150-mA Continuous Current
500-mA Typical Current-Limiting Capability
Output Clamp Voltage . . . 50 V
Four Distinct Function Modes
Low Power Consumption
This TPIC6B259 power logic 8-bit addressable latch controls open-drain DMOS-transistor outputs and is designed for general-purpose storage applications in digital systems. Specific uses include working registers, serial-holding registers, and decoders or demultiplexers. This is a multifunctional device capable of storing single-line data in eight addressable latches and 3-to-8 decoder or demultiplexer with active-low DMOS outputs.
Four distinct modes of operation are selectable by controlling the clear (CLR) and enable (G) inputs as enumerated in the function table. In the addressable-latch mode, data at the data-in (D) terminal is written into the addressed latch. The addressed DMOS-transistor output inverts the data input with all unaddressed DMOS-transistor outputs remaining in their previous states. In the memory mode, all DMOS-transistor outputs remain in their previous states and are unaffected by the data or address inputs. To eliminate the possibility of entering erroneous data in the TPIC6B259 latch, enable G should be held high (inactive) while the address lines are changing. In the 3-to-8 decoding or demultiplexing mode, the addressed output is inverted with respect to the D input and all otheroutputs are off. In the clear mode, all outputs are off and unaffected by the address and data inputs. When data is low for a given output, the DMOS-transistor output is off. When data is high, the DMOS-transistor output has sink-current capability.
Outputs of TPIC6B259 are low-side, open-drain DMOS transistors with output ratings of 50 V and 150-mA continuous sink-current capability. Each output provides a 500-mA typical current limit at TC = 25°C. The current limit decreases as the junction temperature increases for additional device protection.
The TPIC6B259 is characterized for operation over the operating case temperature range of 40°C to 125°C.