A6818SA Allegro Micro Systems, Inc., A6818SA Datasheet

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A6818SA

Manufacturer Part Number
A6818SA
Description
DIP40
Manufacturer
Allegro Micro Systems, Inc.
Datasheets

Specifications of A6818SA

Date_code
04+
Logic Supply Voltage, V
Driver Supply Voltage, V
Continuous Output Current Range,
Input Voltage Range,
Package Power Dissipation,
Operating Temperature Range, T
Storage Temperature Range,
Caution: These CMOS devices have input
static protection (Class 2) but are still
susceptible to damage if exposed to
extremely high static electrical charges.
ABSOLUTE MAXIMUM RATINGS
17
10
11
12
13
14
15
16
7
8
9
I
V
P
(Suffix ‘E–’) .................. -40°C to +85°C
(Suffix ‘K–’) ................ -40°C to +125°C
(Suffix ‘S–’) .................. -20°C to +85°C
T
OUT
S
IN
D
........................................ See Graph
............................... -55°C to +125°C
....................... -0.3 V to V
......................... -40 mA to +15 mA
A6818xEP
at T
A
= 25°C
DD
BB
.................. 7.0 V
................... 60 V
A
DD
+ 0.3 V
39
38
37
36
35
34
33
32
31
30
29
6818
data latches and control circuitry with bipolar sourcing outputs and pnp 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 A6818– features an increased data input rate
(compared with the older UCN/UCQ5818–F) and a controlled output slew rate.
processor-based systems. With a 3.3 V or 5 V logic supply, typical serial-data
input rates are up to 33 MHz.
requiring additional drive lines. Similar devices are available as the A6810–
(10 bits) and A6812– (20 bits).
sourcing up to 40 mA. The controlled output slew rate reduces electromag-
netic noise, which is an important consideration in systems that include
telecommunications and/or microprocessors and to meet government emis-
sions regulations. For inter-digit blanking, all output drivers can be disabled
and all sink drivers turned on with a BLANKING input high. The pnp active
pull-downs will sink at least 2.5 mA.
commercial (suffix S-), industrial (E-), and extended industrial (K-) applica-
tions. The package style provided is the minimum-area surface-mount PLCC
(suffix -EP). Copper lead frames, low logic-power dissipation, and low
output-saturation voltages allow these devices to drive most multiplexed
vacuum-fluorescent displays over the maximum operating temperature range.
FEATURES
Always order by complete part number:
Part Number
A6818EEP
A6818EEP-T
A6818EEPTR
A6818EEPTR-T
A6818KEP
A6818KEP-T
A6818KEPTR
A6818KEPTR-T
A6818SEP
A6818SEP-T
A6818SEPTR
A6818SEPTR-T
Controlled Output Slew Rate
60 V Minimum
Output Breakdown
PNP Active Pull-Downs
Low-Power CMOS Logic
and Latches
The A6818– devices combine a 32-bit CMOS shift register, accompanying
The CMOS shift register and latches allow direct interfacing with micro-
A CMOS serial data output permits cascade connections in applications
The A6818– output source drivers are npn Darlingtons, capable of
Three temperature ranges are available for optimum performance in
The lead (Pb) free versions have 100% matte tin leadframe plating.
DABiC-IV, 32-BIT SERIAL-INPUT,
LATCHED SOURCE DRIVER
Pb-free
Yes
Yes
Yes
Yes
Yes
Yes
27 pieces/tube
450 pieces/13-in. reel
27 pieces/tube
450 pieces/13-in. reel
27 pieces/tube
450 pieces/13-in. reel
Packing
High-Speed Data Storage
High Data Input Rate
Low Output-Saturation Voltages
Improved Replacements
for SN75518N, SN75518NF,
UCN5818–, and UCQ5818–
Ambient Temperature, T
–40 to 125
–40 to 85
–20 to 85
(°C)
A

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