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CAT812TTBIT10 Datasheet(PDF) 4 Page - Catalyst Semiconductor

Part # CAT812TTBIT10
Description  4-Pin Microprocessor Power Supply Supervisors with Manual Reset
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT812TTBIT10 Datasheet(HTML) 4 Page - Catalyst Semiconductor

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CAT811, CAT812
4
Doc. No. 3005, Rev. R
© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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
CAT811R/S/T/Z
VCC = VTH min, ISINK = 3.2 mA
CAT811J/L/M
VCC > 1.0 V, ISINK = 50
µA
0.3
VCC = VTH max, ISOURCE = 500
µA
CAT811R/S/T/Z
VCC = VTH max, ISOURCE = 800
µA
CAT811J/L/M
VCC > VTH max, ISINK = 1.2 mA
CAT812R/S/T/Z
VCC > VTH max, ISINK = 3.2 mA
CAT812J/L/M
MR Minimum Pulse Width
tMR
10
µs
MR Glitch Immunity
Note 3
100
ns
MR to RESET Propagation
Delay
tMD
Note 2
0.5
µs
VIH
VCC > VTH (MAX), CAT811/812L/M/J
2.3 V
VIL
0.8
VIH
VCC > VIH (MAX), CAT811/812R/S/T/Z
0.7VCC
VIL
0.25VCC
MR Pull-up Resistance
10
20
30
k
(continued)
Note 1: Production testing done at TA = +25˚C; limits over temperature guaranteed by design only.
Note 2:
RESET output for the CAT811; RESET output for the CAT812
Note 3: Glitches of 100 ns or less typically will not generate a reset pulse.
VOL
0.4
V
V
VOH
RESET Output Voltage High
(Push-pull, active LOW,
CAT811)
VOL
RESET Output Voltage Low
(Push-pull, active HIGH,
CAT812)
V
VOH
1.8 V < VCC
≤ VTH min, ISOURCE = 150 µA
0.8 VCC
0.8 VCC
VCC - 1.5
V
RESET Output Voltage Low
(Push-pull, active LOW,
CAT811)
0.4
RESET Output Voltage High
(Push-pull active HIGH,
CAT812)
0.3
0.3
V
MR Input Threshold


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