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PT7M6450CHC4E Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

Part # PT7M6450CHC4E
Description  Low Power Voltage Detector
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Manufacturer  PERICOM [Pericom Semiconductor Corporation]
Direct Link  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PT7M6450CHC4E Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

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Low Power Voltage Detector
12-11-0002
PT0200-11
11/01/12
1
PT7M6418 -6450 CL/CH /NL
Features
 High accuracy: 2% (25°C)
 Low power consumption: 0.6μA @ 3V Vcc
 Detecting voltage range: 1.8 to 5V in 100mV
increments
 Operating voltage range: 1.2V ~ 5.5V
 Operating temperature range: -40°C to + 85°C
 Detecting voltage accuracy over temperature: 2.5%
 TYP
 Output configuration: N-channel open drain or CMOS
 Reset timeout period at least 120ms
Description
The PT7M64xx series are µP supervisory circuits with
a minimum reset timeout period of 120ms. Each circuit
includes a precise bandgap reference; a comparator, a
reset
timeout
circuit,
internally
trimmed
resistor
networks that set specified trip thresholds, and an
internal 5% threshold hysteresis circuit (see the Block
Diagram). Output is asserted when VCC falls below the
internal VTH- and remains asserted until VCC rises above
VTH+ (VTH+ = VTH-×1.05) after a reset timeout period.
These devices provide excellent circuit reliability and
low cost by eliminating external components and
adjustments when monitoring normal systems voltage
from +1.8V to +5V in 100mV increments. The series
are voltage detectors with a propagation delay of 35µs.
The family is available with four output stage options:
push-pull with active-low output, push-pull with active-
high output, open drain with active-low output and
bidirection port with active-low output and pushbutton
reset input. These devices specified over the -40°C to
+85°C temperature range.
Table 1. Function comparison
Item
Part No.
Reset Output
Reset
bi-direction
Threshold
Open-Drain
Push-Pull
Active high
Active low
Active high
Active low
1
PT7M64xxCL
-
-
-
-
1.8V to 5.0V
in 100mV
increments
2
PT7M64xxCH
-
-
-
-
3
PT7M64xxNL
-
-
-
-


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