A6810KA

Manufacturer Part NumberA6810KA
DescriptionDABiC-IV, 10-BIT SERIAL-INPUT, LATCHED SOURCE DRIVER
ManufacturerAllegro Micro Systems, Inc.
A6810KA datasheet
 


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A6810xA
18
OUT
1
OUT
8
2
17
OUT
OUT
7
SERIAL
3
16
OUT
6
DATA OUT
LATCHES
LOAD
CLK
V
4
15
CLOCK
BB
REGISTER
SUPPLY
SERIAL
14
GROUND
5
REGISTER
DATA IN
LATCHES
LOGIC
6
V
BLNK
13
BLANKING
DD
SUPPLY
12
OUT
7
ST
STROBE
8
11
OUT
OUT
5
9
0 1
OUT
OUT
4
Dwg. PP-029
ABSOLUTE MAXIMUM RATINGS
at T
= 25°C
A
.................. 7.0 V
Logic Supply Voltage, V
DD
................... 60 V
Driver Supply Voltage, V
BB
Continuous Output Current Range,
........................ -40 mA to +15 mA
I
OUT
Input Voltage Range,
....................... -0.3 V to V
V
DD
IN
Package Power Dissipation,
....................................... See Graph
P
D
Operating Temperature Range, T
A
(Suffi x ‘E–’) ................... -40°C to +85°C
(Suffi x ‘K–’) ................. -40°C to +125°C
(Suffi x ‘S–’) ................... -20°C to +85°C
Storage Temperature Range,
............................... -55°C to +125°C
T
S
Caution: These CMOS devices have input
static protection (Class 2) but are still sus-
ceptible to damage if exposed to extremely
high static electrical charges.
6810
DABiC-IV, 10-BIT SERIAL-INPUT,
LATCHED SOURCE DRIVER
The A6810– devices combine 10-bit CMOS shift registers, ac com -
pa ny ing data latches and control cir cuit ry with bipolar sourcing out puts
and pnp active pull downs. De signed pri mar ily to drive vacuum-fl u o -
res cent displays, the 60 V and -40 mA output ratings also allow these
devices to be used in many other peripheral power driver ap pli ca tions.
The A6810– feature an increased data input rate (com pared with the
9
older UCN/UCQ5810-F) and a con trolled output slew rate.
10
The CMOS shift register and latches allow direct interfacing with
microprocessor-based systems. With a 3.3 V or 5 V logic supply, serial-
data input rates of at least 10 MHz .
A CMOS serial data output permits cascade con nec tions in ap pli -
ca tions re quir ing additional drive lines. Similar devices are available as
the A6812– (20 bits) and A6818– (32 bits).
The A6810– output source drivers are npn Dar ling tons, capable of
1
sourcing up to 40 mA. The controlled output slew rate reduces elec tro -
2
mag net ic noise, which is an important consideration in systems that in-
clude telecommunications and/or microprocessors and to meet govern-
3
ment emissions regulations. For inter-digit blanking, all output drivers
can be dis abled and all sink drivers turned on with a BLANK ING input
high. The pnp active pull-downs will sink at least
2.5 mA.
The A6810– are available in three temperature ranges for op ti mum
per for mance in commercial (suffi x S-), industrial (suffi x E-), or au-
tomtoive (suffi x K–) ap pli ca tions. They are provided in two package
styles for through-hole DIP (suffi x -A) or minimum-area surface-mount
SOIC (suffi x -LW). Copper lead frames, low logic-power dis si pa tion,
and low output-saturation voltages allow all devices to source 25 mA
from all outputs continuously over the max i mum operating tem pera ture
range.
The lead (Pb) free versions are provided with 100% matte tin
+ 0.3 V
leadframe plating.
FEATURES
■ Controlled Output Slew Rate
■ High-Speed Data Storage
■ 60 V Minimum Output Breakdown
■ High Data Input Rate
■ PNP Active Pull-Downs
■ Low Output-Saturation Voltages
■ Low-Power CMOS Logic and Latches
■ Improved Replacements for TL4810–, UCN5810–, and UCQ5810–

A6810KA Summary of contents