ASM1233D-LZ-15F datasheet(5/10 Pages) ONSEMI

Part #	ASM1233D-LZ-15F

Description	Reset Active LOW Open-Drain Output

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Manufacturer	ONSEMI [ON Semiconductor]

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ASM1233D, ASM1233D−L, ASM1233M

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Table 4. FAMILY SELECTION GUIDE

Part #

RESET Voltage (V)

RESET Time (ms)

Output Stage

RESET Polarity

ASM1810

4.620, 4.370, 4.120

150

Push−Pull

LOW

ASM1811

4.620, 4.350, 4.130

150

Open−Drain

LOW

ASM1812

4.620, 4.350, 4.130

150

Push−Pull

HIGH

ASM1815

3.060, 2.880, 2.550

150

Push−Pull

LOW

ASM1816

3.060, 2.880, 2.550

150

Open−Drain

LOW

ASM1817

3.060, 2.880, 2.550

150

Push−Pull

HIGH

ASM1233D

4.625, 4.375, 4.125

350

Open−Drain

LOW

ASM1233M

4.625, 4.375, 2.720

350

Open−Drain

LOW

ASM1233D−L

3.060, 2.880, 2.720

350

Open−Drain

LOW

Application Information

Operation − Power Monitor

The ASM1233D−L/1233D/1233M detects out−of−

tolerance Power supply conditions. It resets a processor

during powerup, Power−down and generates a reset to the

system Processor when the monitored power supply voltage

is below the reset threshold. When an out−of−tolerance VCC

voltage is detected, the RESET signal is asserted. On

power−up, RESET is kept active (LOW) for approximately

350 ms after the power supply voltage has reached the

selected tolerance. This allows the power supply and

microprocessor to stabilize before RESET is released.

Figure 3. Timing Diagram: Power−Up

Figure 4. Timing Diagram: Power−Down

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ASM1233D-LZ-15F Datasheet(PDF) 5 Page - ON Semiconductor

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