CAT809JEXR-T datasheet(5/13 Pages) CATALYST

Part #	CAT809JEXR-T

Description	3-Pin Microprocessor Power Supply Supervisors

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Manufacturer	CATALYST [Catalyst Semiconductor]

Direct Link	http://www.catalyst-semiconductor.com

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5 / 13 page

5

CAT809, CAT810

Patent Pending

Doc. No. 3004, Rev. S

ELECTRICAL CHARACTERISTICS

VCC = Full range, TA = -40˚C to +85˚C unless otherwise noted. Typical values at TA = +25˚C and VCC = 5 V for

L/M/J versions, VCC = 3.3 V for T/S versions, VCC = 3 V for R version and VCC = 2.5 V for Z version.

Parameter

Symbol

Conditions

Min

Typ(1)

Max

Units

Reset Threshold Tempco

30

ppm/˚C

VCC to Reset Delay (Note 2)

VCC = VTH to (VTH - 100 mV)

20

µs

Reset Active Timeout Period

TA = -40˚C to +85˚C

140

240

400

ms

VCC = VTH min, ISINK = 1.2 mA

CAT809R/S/T/Z

VCC = VTH min, ISINK = 3.2 mA

CAT809J/L/M

VCC > 1.0 V, ISINK = 50

µA

0.3

VCC = VTH max, ISOURCE = 500

µA

CAT809R/S/T/Z

VCC = VTH max, ISOURCE = 800

µA

CAT809J/L/M

VCC > VTH max, ISINK = 1.2 mA

CAT810R/S/T/Z

VCC > VTH max, ISINK = 3.2 mA

CAT810J/L/M

(continued)

Note 1: Production testing done at TA = +25˚C; limits over temperature guaranteed by design only.

Note 2:

RESET output for the CAT809; RESET output for the CAT810

VOL

0.4

V

VOH

RESET Output Voltage High

(Push-pull, active LOW,

CAT809)

VOL

RESET Output Voltage Low

(Push-pull, active HIGH,

CAT810)

V

VOH

1.8 V < VCC

≤ VTH min, ISOURCE = 150 µA

0.8 VCC

VCC - 1.5

V

RESET Output Voltage Low

(Push-pull, active LOW,

CAT809)

0.4

RESET Output Voltage High

(Push-pull active HIGH,

CAT810)

0.3

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