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UCN5810F

Allegro
Part Number UCN5810F
Manufacturer Allegro
Description LATCHED SOURCE DRIVERS
Published Jul 6, 2005
Detailed Description 5810-F UCN5810AF OUT 8 OUT 7 OUT 6 CLOCK GROUND LOGIC SUPPLY STROBE OUT 5 OUT 4 1 2 3 LATCHES 4 5 6 7 8 9 VDD ST CLK REG...
Datasheet PDF File UCN5810F PDF File

UCN5810F
UCN5810F


Overview
5810-F UCN5810AF OUT 8 OUT 7 OUT 6 CLOCK GROUND LOGIC SUPPLY STROBE OUT 5 OUT 4 1 2 3 LATCHES 4 5 6 7 8 9 VDD ST CLK REGISTER REGISTER LATCHES BLNK 13 12 11 10 BLANKING OUT 1 OUT 2 OUT 3 VBB 15 14 18 17 16 OUT 9 OUT 10 SERIAL DATA OUT LOAD SUPPLY SERIAL DATA IN BiMOS II 10-BIT SERIAL-INPUT, LATCHED SOURCE DRIVERS WITH ACTIVE-DMOS PULL-DOWNS The UCN5810AF, UCN5810EPF, and UCN5810LWF combine a 10-bit CMOS shift register and accompanying data latches, control circuitry, bipolar sourcing outputs with DMOS active pull-downs.
Designed primarily to drive vacuum-fluorescent displays, the 60 V and -40 mA output ratings also allow these devices to be used in many other peripheral power driver applications.
The UCN5810AF/EPF/LWF feature reduced supply requirements (active DMOS pull-downs) and lower saturation voltages when compared with the original UCN5810A.
The CMOS shift register and latches allow direct interfacing with microprocessor-based systems.
With a 5 V supply, they will operate to at least 3.
3 MHz.
At 12 V, higher speeds are possible.
Use with TTL may require appropriate pull-up resistors to ensure an input logic high.
A CMOS serial data output enables cascade connections in applications requiring additional drive lines.
Similar devices are available as the UCN5811A (12 bits), UCN5812AF/EPF (20 bits), and UCN5818AF/EPF (32 bits).
The UCN5810AF/EPF/LWF output source drivers are NPN Darlingtons capable of sourcing up to 40 mA.
The DMOS active pull-downs are capable of sinking up to 15 mA.
For inter-digit blanking, all of the output drivers can be disabled and the DMOS sink drivers turned on by the BLANKING input high.
The UCN5810AF is furnished in an 18-pin dual in-line plastic package.
The UCN5810EPF is furnished in a 20-lead plastic chip carrier.
The UCN5810LWF is furnished in a wide-body, small-outline plastic package (SOIC) with gull-wing leads.
Copper lead frames, reduced supply current requirements, and lower output saturation voltages allow all devices to sou...


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