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871-40

Part # 871-40
Description
Category MOTOR
Availability In Stock
Qty 11
Manufacturer Available Qty
AMI
Date Code: 9800
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

CAT871, CAT872
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7
APPLICATION INFORMATION
Reset Pulse Operation
When both MR1 and MR2 inputs are kept low, a single
reset pulse is generated after the delay t
LOW_DELAY
. Even
with both MR1 and MR2 maintained low continuously after
that time, no second reset pulse will be generated. The delay
timer restarts if either MR1 or MR2 (or both) input
transitions from high to low, as shown in the timing diagram
in Figure 13.
System with Two Different Power Supply Voltages
The reset generator can be used in a system where the
supply VDD is different than the MR1, MR2 input logic.
Figure 14 shows an application schematic where the
microcontroller uses a supply VBAT (3.6 V) that is higher
than the VDD rail (1.8 V). MR1 and MR2 inputs are
activated here by two separate switches connected to GND
and pulling the inputs low when pressed. The Schottky diode
provides the supply isolation needed between the
CAT871/CAT872 (VDD) and the microcontroller (VBAT).
Operation with Low VDD Voltage and Brownout
Condition
The CAT871, CAT872 reset generators require a
minimum supply voltage VDD of 1.65 V to guarantee the
normal operation within the specification. To prevent small
VDD supply glitch, a small ceramic capacitor can be added
between the VDD pin and GND.
Figure 13. Reset Timing Diagram
Figure 14. Application Schematic in Dual Supply System
CAT871, CAT872
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8
PACKAGE DIMENSIONS
ULLGA6, 1.45x1.0, 0.5P
CASE 613AF01
ISSUE A
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED TERMINAL
AND IS MEASURED BETWEEN 0.15 AND
0.30 mm FROM THE TERMINAL TIP.
4. A MAXIMUM OF 0.05 PULL BACK OF THE
PLATED TERMINAL FROM THE EDGE OF THE
PACKAGE IS ALLOWED.
A
B
E
D
BOTTOM VIEW
b
e
6X
0.10 B
0.05
AC
C
L5X
NOTE 3
0.10 C
PIN ONE
REFERENCE
TOP VIEW
0.10
C
6X
A
A1
0.05 C
0.05 C
C
SEATING
PLANE
SIDE VIEW
L1
1
3
46
DIM MIN MAX
MILLIMETERS
A −−− 0.40
A1 0.00 0.05
b 0.15 0.25
D 1.45 BSC
E 1.00 BSC
e 0.50 BSC
L 0.25 0.35
L1 0.30 0.40
NOTE 4
SOLDERMASK DEFINED*
DIMENSIONS: MILLIMETERS
0.30
5X
0.49
6X
1.24
0.53
PITCH
*For additional information on our PbFree strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
0.50
1
MOUNTING FOOTPRINT
PKG
OUTLINE
CAT871, CAT872
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9
Table 5. ORDERING INFORMATION
Device Timeout (s) Reset Pulse Width (ms) Marking Package Shipping (Note 5)
CAT87105ULGT3 (Note 6) 0.5
2.2 JM
mLLGA6
3,000 / Tape & Reel
CAT87110ULGT3 (Note 6) 1
CAT87115ULGT3 (Note 6) 1.5
CAT87120ULGT3 (Note 6) 2
CAT87125ULGT3 (Note 6) 2.5
CAT87130ULGT3 (Note 6) 3
CAT87140ULGT3 (Note 6) 4
CAT87150ULGT3 (Note 6) 5
CAT87205ULGT3 (Note 6) 0.5
70 KM
CAT87210ULGT3 (Note 6) 1
CAT87215ULGT3 1.5
CAT87220ULGT3 (Note 6) 2
CAT87225ULGT3 (Note 6) 2.5
CAT87230ULGT3 3
CAT87240ULGT3 (Note 6) 4
CAT87250ULGT3 (Note 6) 5
5. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
6. Contact Factory for availability.
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
CAT871/D
PUBLICATION ORDERING INFORMATION
N. American Technical Support: 8002829855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81358171050
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 3036752175 or 8003443860 Toll Free USA/Canada
Fax: 3036752176 or 8003443867 Toll Free USA/Canada
Email: orderlit@onsemi.com
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
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