TC1279-15ENBTR datasheet(6/12 Pages) MICROCHIP

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TC1278/TC1279

DS21384D-page 6

3.2

VCC Transient Rejection

The TC1278/TC1279 provides accurate VCC monitor-

ing and reset timing during power-up, power-down,

and brownout/sag conditions. Furthermore, it rejects

negative-going transients (glitches) on the power

supply line. Figure 3-5 shows the maximum transient

duration vs. maximum negative excursion (overdrive)

for glitch rejection. Any combination of duration and

overdrive that lays under the curve will not generate a

reset signal. Combinations above the curve are

detected as a brownout or power-down. Transient

immunity can be improved by adding a capacitor in

close proximity to the VCC pin of the TC1278/TC1279.

FIGURE 3-5:

Maximum Transient

Duration vs. Overdrive For Glitch Rejection At

+25°C.

RESET COMPARATOR OVERDRIVE,

[VCCTP - VCC] (mV)

5

3

2

4

1

0

1

5

100

1000

TA = +25°C

VCCTP

Duration

Overdrive

VCC

TC1278/9

Số phần tương tự - TC1279-15ENBTR

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	TC1279-15ENB	424Kb / 12P	3-Pin Reset Monitors for 5V Systems 2002

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	TC1278	424Kb / 12P	3-Pin Reset Monitors for 5V Systems 2002
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ON Semiconductor	MAX809	90Kb / 12P	3-Pin Microprocessor Reset Monitors January, 2002 ??Rev. 4
FOSLINK SEMICONDUCTOR C...	FSP2200	131Kb / 7P	3 PIN MICROPROCESSOR RESET MONITORS
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Estek Electronics Co. L...	MAX809	305Kb / 7P	3-PIN MICROPROCESSOR RESET MONITORS

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