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7702AC View Datasheet(PDF) - Texas Instruments

Part Name7702AC TI
Texas Instruments TI
DescriptionSUPPLY-VOLTAGE SUPERVISORS
7702AC Datasheet PDF : 17 Pages
First Prev 11 12 13 14 15 16 17
P (R-PDIP-T8)
0.400 (10,60)
0.355 (9,02)
8
5
0.260 (6,60)
0.240 (6,10)
1
4
0.070 (1,78) MAX
0.020 (0,51) MIN
0.200 (5,08) MAX
Seating Plane
0.125 (3,18) MIN
0.100 (2,54)
0.021 (0,53)
0.015 (0,38)
0.010 (0,25) M
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Falls within JEDEC MS-001
MECHANICAL DATA
MPDI001A – JANUARY 1995 – REVISED JUNE 1999
PLASTIC DUAL-IN-LINE
0.325 (8,26)
0.300 (7,62)
0.430 (10,92)
MAX
0.015 (0,38)
Gage Plane
0.010 (0,25) NOM
4040082/D 05/98
For the latest package information, go to http://www.ti.com/sc/docs/package/pkg_info.htm
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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description/ordering information
The TL77xxA family of integrated-circuit supply-voltage supervisors is designed specifically for use as reset controllers in microcomputer and microprocessor systems. The supply-voltage supervisor monitors the supply for undervoltage conditions at the SENSE input. During power up, the RESET output becomes active (low) when VCC attains a value approaching 3.6 V. At this point (assuming that SENSE is above VIT+), the delay timer function activates a time delay, after which outputs RESET and RESET go inactive (high and low, respectively). When an undervoltage condition occurs during normal operation, RESET and RESET go active. To ensure that a complete reset occurs, the reset outputs remain active for a time delay after the voltage at the SENSE input exceeds the positive-going threshold value. The time delay is determined by the value of the external capacitor CT: td = 1.3 × 104 × CT, where CT is in farads (F) and td is in seconds (s).
During power down and when SENSE is below VIT–, the outputs remain active until VCC falls below 2 V. After this, the outputs are undefined.
An external capacitor (typically 0.1 µF) must be connected to REF to reduce the influence of fast transients in the supply voltage.

● Power-On Reset Generator
● Automatic Reset Generation After Voltage
   Drop
● Wide Supply-Voltage Range
● Precision Voltage Sensor
● Temperature-Compensated Voltage
   Reference
● True and Complement Reset Outputs
● Externally Adjustable Pulse Duration

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