TPIC6B259 - 8 位可寻址锁存器

TPIC6B259是TI德州仪器公司的一款无产品，TPIC6B259是8 位可寻址锁存器，本站介绍了TPIC6B259的封装应用图解、特点和优点、功能等，并给出了与TPIC6B259相关的TI元器件型号供参考。

TPIC6B259 - 8 位可寻址锁存器 - 无 - 电源逻辑 - 德州仪器

产品描述

This 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 multi- functional 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 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 other

outputs 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 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.

产品特性

Low rDS(on)...5 Typical
Avalanche Energy...30 mJ
Eight Power DMOS-Transistor Outputs of 150-mA Continuous Current
500-mA Typical Current-Limiting Capability
Output Clamp Voltage...50 V
Four Distinct Function Modes
Low Power Consumption

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