SP703CN 查看數據表（PDF） - Signal Processing Technologies

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SP703CN

Low Power Microprocessor Supervisory with Battery Switch-Over

Signal Processing Technologies 

SPECIFICATIONS (continued)

Vcc=4.75V to 5.50V for SP703, VCC = 4.5 0V to 5.50V for SP704, VBATT=2.80V, TA=TMIN to TMAX, typical specified at 25OC, unless otherwise noted.

PARAMETERS

MIN. TYP. MAX. UNITS CONDITIONS

Reset Threshold Hysteresis

40

mV Peak to Peak

Reset Pulse Width, tRS

RESET Output Voltage

MR Input Threshold

LOW

HIGH

140

200 280

VCC - 1.5

0.1 0.4

0.004 0.3

ms

Volts

ISOURCE = 800µA

ISINK = 3.2mA

ISINK = 50µA, VCC = 1.0V

0.8

V

2.0

MR Minimum Pulse Width

150

ns

MR to RESET Delay

250 ns

MR Pull Up Current

100

250 600 µA MR=0V

PFI Input Threshold

1.200 1.250 1.300 Volts

PFI Input Current

-25

0.01 25

nA

PFO Output Voltage

VCC - 1.5

Volts ISOURCE = 800µA

0.1 0.4

ISINK = 3.2mA

NOTE 1: Either VCC or VBATT can go to 0V if the other is greater than 2.0V.

NOTE 2: "-" equals the battery-charging current, "+" equals the battery-discharging current.

SP703/704DS/07

SP703/704 Low Power Microprocessor Supervisory

3

© Copyright 2000 Sipex Corporation

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