Details, datasheet, quote on part number: A6A259KA
Description28-Line Addressable Decoder/driver
CompanyAllegro Micro Systems, Inc.
DatasheetDownload A6A259KA datasheet
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Features, Applications

The A6A259KA and A6A259KLB combine a 3-to-8 line CMOS decoder and accompanying data latches, control circuitry, and DMOS outputs in a multi-functional power driver capable of storing single-line data in the addressable latches or use as a decoder or demuliplexer. Driver applications include relays, solenoids, and other medium-current or high-voltage peripheral power loads. The CMOS inputs and latches allow direct interfacing with microprocessor-based systems. Use with TTL may require appropriate pullup resistors to ensure an input logic high. Four modes of operation are selectable with the CLEAR and ENABLE inputs. The addressed DMOS output inverts the DATA input with all unaddressed outputs remaining in their previous states. All of the output drivers are disabled (the DMOS sink drivers turned off) with the CLEAR input low and the ENABLE input high. The A6A259KA/KLB DMOS open-drain outputs are capable of sinking to 500 mA. The A6A259KA is furnished a 20-pin dual in-line plastic package. The A6A259KLB is furnished a 24-lead wide-body, smalloutline plastic batwing package (SOIC) with gull-wing leads for surfacemount applications. Copper lead frames, reduced supply current requirements, and low on-state resistance allow both devices to sink 150 mA from all outputs continuously, to ambient temperatures over 85C.


Output Voltage, VO............................ 50 V Output Drain Current, Continuous, IO...................... 350 mA* Peak, IOM........................... 1100 mA* Peak, IOM.................................... 2.0 A Single-Pulse Avalanche Energy, EAS............................................. 75 mJ Logic Supply Voltage, VDD.............. 7.0 V Input Voltage Range, VI............................... +7.0 V Package Power Dissipation, PD....................................... See Graph Operating Temperature Range, TA............................. to +125C Storage Temperature Range, TS............................. to +150C

*Each output, all outputs on. Pulse duration 100 s, duty cycle 2%. Caution: These CMOS devices have input static protection (Class 3) but are still susceptible to damage if exposed to extremely high static electrical charges.


50 V Minimum Output Clamp Voltage 350 mA Output Current (all outputs simultaneously) s 1 Typical rDS(on) s Internal Short-Circuit Protection s Low Power Consumption s Replacements for TPIC6A259N and TPIC6A259DW

Always order by complete part number: Part Number Package RJA A6A259KA 20-pin DIP A6A259KLB 24-lead SOIC 55C/W

Addressable Latch Memory 8-Line Demultiplexer Clear R = Previous State
Select Inputs Addressed S2 (MSB) S1 S0 (LSB) OUTPUT

115 Northeast Cutoff, Box 15036 Worcester, Massachusetts (508) 853-5000 Copyright 2000, Allegro MicroSystems, Inc.

Power grounds must be connected externally to a single point.


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