MAX6327-27W [NXP]
IC,VOLT DETECTOR,FIXED,+2.7V,CMOS,TSSOP,6PIN,PLASTIC;
| 型号： | MAX6327-27W |
| 厂家： | 
NXP |
| 描述： | IC,VOLT DETECTOR,FIXED,+2.7V,CMOS,TSSOP,6PIN,PLASTIC 光电二极管 |
| 文件： | 总12页 (文件大小：96K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
MAX6326/MAX6327/MAX6328/
MAX6346/MAX6347/MAX6348
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
Product data
2003 Aug 05
Supersedes data of 2003 Apr 30
Philips
Semiconductors
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
DESCRIPTION
FEATURES
TheMAX6326/MAX6327//MAX6328/MAX6346/MAX6347/MAX6348
microprocessor (µP) reset circuits monitor power supplies in µP and
digital systems. These devices eliminate external components and
adjustments while providing excellent circuit reliability and low cost
solution. They are used to monitor 2.5 V, 3 V, 3.3 V and 5 V power
supplies.
• Ultra-low 1 µA (max) supply current
• Precision monitoring of 2.5 V, 3 V, 3.3 V, and 5 V power supply
voltages
• Reset thresholds available from 2.2 V to 4.63 V
• Fully specified over temperature –40 °C to +85 °C
• 100 ms (min) power-on-reset delay time
• Power transient immunity
They assert a reset signal when the V supply voltage falls below a
DD
preset reset threshold voltage. The reset signal remains asserted for
at least 100 ms after the V rises above the reset threshold. The
DD
reset threshold are factory trimmable from 2.2 V to 4.63 V in
approximately 100 mV increments. All these parts are guaranteed to
• Available in three versions: Push-Pull RESET, Push-Pull RESET,
assert a reset for V down to 1 V. They have excellent immunity to
DD
and Open-Drain RESET
fast transients on V
.
DD
• Pin compatible with MAX803/MAX809/MAX810
• Small, low cost, 3-pin SC70/SOT23 packages
The devices vary in their output configuration. The
MAX6326/MAX6346 have push-pull, active-LOW reset output; while
the MAX6328/MAX6348 have open drain, active-LOW reset output.
The MAX6327/MAX6347 have push-pull, active HIGH reset output.
The lower threshold MAX6326/MAX6327/MAX6328 have ultra-low
supply current of typically 0.5 µA making them ideal for battery
powered applications. All six devices are available in both the 3-pin
SOT23 and SC70 packages.
APPLICATIONS
• Computers and controllers
• Power monitoring
• Portable/battery powered equipment
• Industrial equipment
SIMPLIFIED SYSTEM DIAGRAM
V
DD
V
V
DD
R
DD
PU
RESET
RESET
MOTOROLA
68HCXX
MAX6328/
MAX6348
GND
GND
SL01835
Figure 1. MAX6328/6348 simplified system diagram.
2
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
ORDERING INFORMATION
MAX632x
PACKAGE
NAME
TYPE
NUMBER
TEMPERATURE
RANGE
RESET
DESCRIPTION
MAX6326-XXD SOT23-3 Plastic small outline package; 3 leads; body width 1.5 mm
MAX6326-XXW SC70-3 Plastic small outline package; 3 leads; body width 1.15 mm
MAX6327-XXD SOT23-3 Plastic small outline package; 3 leads; body width 1.5 mm
MAX6327-XXW SC70-3 Plastic small outline package; 3 leads; body width 1.15 mm
MAX6328-XXD SOT23-3 Plastic small outline package; 3 leads; body width 1.5 mm
–40 °C to +85 °C
push-pull
Active-LOW
reset output
–40 °C to +85 °C
–40 °C to +85 °C
–40 °C to +85 °C
–40 °C to +85 °C
–40 °C to +85 °C
push-pull
push-pull
push-pull
Active-LOW
reset output
Active-HIGH
reset output
Active-HIGH
reset output
open-drain Active-LOW
reset output
MAX6328-XXW SC70-3
Plastic small outline package; 3 leads; body width 1.15 mm
open-drain Active-LOW
reset output
NOTE:
The device has five standard voltage output options, indicated by the XX on the “Type Number”.
Additional voltage output options may be available (see Table 1).
XX (type number suffix)
Voltage (Typical)
2.2 V
22
23
26
29
31
2.3 V
2.6 V
2.9 V
3.1 V
MAX634x
PACKAGE
NAME
TYPE
NUMBER
TEMPERATURE
RANGE
RESET
DESCRIPTION
MAX6346-XXD SOT23-3 Plastic small outline package; 3 leads; body width 1.5 mm
MAX6346-XXW SC70-3
MAX6347-XXD SOT23-3 Plastic small outline package; 3 leads; body width 1.5 mm
–40 °C to +85 °C push-pull
Active-LOW
reset output
Plastic small outline package; 3 leads; body width 1.15 mm –40 °C to +85 °C push-pull
–40 °C to +85 °C push-pull
Plastic small outline package; 3 leads; body width 1.15 mm –40 °C to +85 °C push-pull
Active-LOW
reset output
Active-HIGH
reset output
MAX6347-XXW SC70-3
Active-HIGH
reset output
MAX6348-XXD SOT23-3 Plastic small outline package; 3 leads; body width 1.5 mm
–40 °C to +85 °C open-drain Active-LOW
reset output
MAX6348-XXW SC70-3
Plastic small outline package; 3 leads; body width 1.15 mm –40 °C to +85 °C open-drain Active-LOW
reset output
NOTE:
The device has two standard voltage output options, indicated by the XX on the “Type Number”.
Additional voltage output options may be available (see Table 1).
XX (type number suffix)
Voltage (Typical)
4.4 V
44
46
4.6 V
3
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
PINNING
MAX6326/MAX6346, MAX6328/MAX6348 pin
description
GND
1
2
PIN SYMBOL
DESCRIPTION
1
2
GND
Device ground
3
V
DD
MAX632x/
MAX634x
RESET
Active-LOW Reset Output. RESET remains
LOW while V is below the reset threshold
DD
and for a reset delay time of at least 100 ms
RESET
or RESET
after V rises above the reset threshold.
DD
MAX6328/MAX6348 have open-drain output
and the MAX6326/MAX6346 are Push-Pull
output.
SL01839
3
V
DD
Positive supply voltage
Figure 2. Pin configuration.
MAX6327/MAX6347 pin description
PIN SYMBOL
DESCRIPTION
1
2
GND
Device ground
RESET
Active-HIGH Reset Output. RESET remains
high while V is below the reset threshold
DD
and remains HIGH for at least 100 ms after
V
DD
rises above the reset threshold.
3
V
DD
Positive supply voltage
MAXIMUM RATINGS
SYMBOL
PARAMETER
Supply voltage
CONDITIONS
MIN.
–0.3
–0.3
MAX.
6.0
UNIT
V
V
DD
V
Input voltage at RESET pin
(MAX6326/MAX6346,
MAX6328/MAX6348)
6.0
V
i(RESET)
I
I
Input current at V pin
–
–
20
20
mA
mA
mW
i(VDD)
DD
Output current (RESET pin)
Power dissipation
o
3-pin SOT23 (derate 4 mW/°C above T
= 70 °C)
= 70 °C)
–
320
174
+85
+150
P
amb
3-pin SC70 (derate 2.7 mW/°C above T
–
amb
T
Operating temperature
Storage temperature
–40
–65
°C
°C
opr
T
stg
4
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
ELECTRICAL CHARACTERISTICS
V
= full range (T
= –40 °C to +85 °C) unless otherwise noted; typical values are at T
= +25 °C, and V = 3 V (Note 1).
amb DD
DD
amb
SYMBOL
PARAMETER
range
CONDITIONS
= 0 °C to +70 °C
MIN
TYP
MAX
UNIT
V
DD
T
amb
1.0
5.5
V
T
= –40 °C to +85 °C
1.2
5.5
1.0
V
amb
I
Supply current
MAX632x only, V = 3.0 V for V ≤ 2.93 V,
0.5
1.0
µA
–
DD
DD
th
V
V
T
= 3.2 V for V > 2.93 V, no load
DD
th
= 5.5 V, no load
= +25 °C
1.75
µA
–
DD
V
th
Reset threshold
(Table 1)
V
V
– 1.5%
– 2.5%
–
V
th
V
+ 1.5%
th
V
V
amb
th
T
amb
= –40 °C to +85 °C
V
th
V
+ 2.5%
th
th
∆V /°C
Reset threshold temperature
coefficient
40
ppm/°C
–
th
t
V
to Reset release delay
V
= V to (V – 100 mV)
20
µs
ms
V
–
–
280
0.3
0.4
–
RD
CC
DD
th
th
t
Reset active timeout period
100
185
RP
V
RESET output voltage
(reset asserted)
I
I
I
I
I
I
= 1.6 mA, V > 2.1 V
–
–
OL(RESET)
SINK
DD
= 100 mA, V ≥ 1.2 V
V
SINK
DD
V
RESET output voltage
(reset released)
= 500 mA, V = 3.2 V, MAX6326 only
0.8 × V
0.8 × V
0.8 × V
0.8 × V
V
OH(RESET)
SOURCE
SOURCE
SOURCE
SOURCE
DD
CC
CC
CC
CC
= 800 µA, V = 4.5 V, V ≤ 4.38 V
V
–
DD
th
= 800 µA, V = V
, V ≥ 4.5 V
th(MAX) th
V
–
DD
V
V
RESET output voltage
(reset asserted)
= 500 µA, V ≥ 2.1 V
V
–
OH(RESET)
DD
I
= 50 µA, V ≥ 1.2 V
0.8 × V
V
–
SOURCE
DD
CC
(MAX6327/MAX6347)
RESET output voltage
(reset released)
I
I
I
= 1.2 mA, V ≥ 3.2 V (MAX6327 only)
0.3
0.4
0.4
V
V
–
–
–
–
–
–
OL(RESET)
SINK
SINK
SINK
DD
= 3.2 mA, V ≥ 3.2 V, V ≤ 4.38 V
DD
th
(MAX6327/MAX6347)
= 3.2 mA, V = V
, V ≥ 4.5 V
th(MAX) th
V
DD
V
RESET threshold hysteresis
MAX6326/MAX6327/MAX6328
MAX6346/MAX6347/MAX6348
6.3
9.5
mV
mV
µA
–
–
hys
Open-drain RESET output
leakage current
0.1
NOTE:
1. Over-temperature limits are guaranteed by design and are not production tested.
5
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
Table 1. Factory-trimmed Reset Thresholds (Note 1)
PART
SUFFIX (XX)
RESET THRESHOLD VOLTAGE, V (V)
th
T
= +25 °C
T
= –40 °C to +85 °C
MAX
amb
amb
MIN
TYP
MAX
MIN
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX632x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
MAX634x-XX
NOTES:
22
2.167
2.285
2.364
2.462
2.591
2.660
2.758
2.886
2.955
3.034
3.250
3.349
3.447
3.546
3.644
3.743
3.841
3.940
4.038
4.137
4.235
4.314
4.432
4.560
2.200
2.320
2.400
2.500
2.630
2.700
2.800
2.930
3.000
3.080
3.300
3.400
3.500
3.600
3.700
3.800
3.900
4.000
4.100
4.200
4.300
4.380
4.500
4.630
2.233
2.355
2.436
2.537
2.669
2.741
2.842
2.974
3.045
3.126
3.350
3.451
3.552
3.654
3.755
3.857
3.958
4.060
4.161
4.263
4.364
4.446
4.567
4.699
2.145
2.262
2.340
2.437
2.564
2.633
2.730
2.857
2.925
3.003
3.217
3.315
3.412
3.510
3.607
3.705
3.802
3.900
3.997
4.095
4.192
4.270
4.387
4.514
2.250
2.375
2.460
2.562
2.696
2.768
2.870
3.000
3.075
3.150
3.383
3.485
3.587
3.690
3.792
3.895
3.997
4.100
4.202
4.305
4.407
4.489
4.612
4.746
23
24 (Note 2)
25 (Note 2)
26
27 (Note 2)
28 (Note 2)
29
30 (Note 2)
31
33 (Note 2)
34 (Note 2)
35 (Note 2)
36 (Note 2)
37 (Note 2)
38 (Note 2)
39 (Note 2)
40 (Note 2)
41 (Note 2)
42 (Note 2)
43 (Note 2)
44
45 (Note 2)
46
1. Factory-trimmed reset thresholds are available in 100 mV increments with ±1.5% tolerance at room temperature.
2. Consult factory for availability.
6
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
TYPICAL PERFORMANCE CURVES
MAX6326
12
45
40
35
30
25
20
15
10
5
10
8
V
= 1.2 V
V
= 1.2 V
DD
DD
6
4
2
0
0
0
0.2
0.4
0.6
0.8
1.0
0
1
2
3
4
RESET OUTPUT VOLTAGE LOW, V (RESET) (V)
RESET OUTPUT VOLTAGE HIGH, V
(RESET) (V)
OH
OL
SL01831
SL01833
Figure 3. Output sink current vs. RESET output voltage low.
Figure 5. Output sink current vs. RESET output voltage high.
50
45
40
35
30
70
60
50
V
= 2.1 V
DD
V
= 2.1 V
DD
40
30
20
10
0
25
20
15
10
5
0
0
0.5
1.0
1.5
2.0
2.5
0
0.5
1.0
1.5
2.0
2.5
3.0
(RESET) (V)
OH
3.5
4.0
4.5
RESET OUTPUT VOLTAGE LOW, V (RESET) (V)
RESET OUTPUT VOLTAGE HIGH, V
OL
SL01832
SL01834
Figure 4. Output sink current vs. RESET output voltage low.
Figure 6. Output sink current vs. RESET output voltage high.
7
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
APPLICATION INFORMATION
Interfacing to µPs with Bidirectional Reset Pins
The MAX6328/MAX6348 RESET output is open drain and are easily
interfaced with microprocessors which have bidirectional reset pins,
such as the Motorola 68HC11. Directly connecting the
System configurations with various µPs
The MAX326-MAX6348 Series resets provide a system solution for
various µPs. Figures 9 and 10, respectively, reference the Philips
µPs which are compatible with the MAX6326/MAX6346 and
MAX6327/MAX6347 system resets.
MAX6328/MAX6348 RESET output to the µPs reset input and
providing a pull-up resistor to V allows either device to
DD
independently assert reset (Figure 7).
V
DD
V
DD
V
V
DD
DD
V
V
DD
R
DD
PU
RESET
RESET
RESET
RESET
µP(Note 1)
MAX6326/
MAX6346
MOTOROLA
68HCXX
MAX6328/
MAX6348
GND
GND
GND
GND
SL01837
SL01835
NOTE:
1. Philips microprocessors with active-LOW resets: All 16-bit
devices from XA-family (XA-Cxx, XA-Gxx, XA-Sxx, XA-Hxx), all
LPC7xx devices (P87LPC760/761/762/767/768/769,
P80C591/P87C591 (with on-chip CAN controller).
Figure 9. µP System Diagram using MAX6326/MAX6328
Push-Pull, Active-LOW Resets
Figure 7. Interfacing to µPs with Bidirectional Reset Pins
Negative-going V transients
DD
The MAX6326-MAX6348 Series resets are relatively immune to
short duration, negative-going V transients or power glitches. This
DD
capability greatly reduces false resets with short-duration pulses.
V
DD
Figure 8, Maximum Transient Duration versus Reset Comparator
Overdrive, shows the maximum transient condition for which reset
signal are not generated. The graph shows the maximum pulse
width that a negative-going transient may have before it will
generate a reset signal. Note: as the amplitude of the transient
increases, the maximum allowable transient pulse width decreases.
V
V
DD
DD
RESET
RESET
450
400
350
300
250
µP(Note 1)
MAX6327/
MAX6347
GND
GND
200
MAX6346/MAX6347/
SL01838
MAX6348
150
100
NOTE:
1. Philips microprocessors with active-HIGH resets : 8xC5x, 8xC3x,
8xC5xX2, 8xC3xX2, 8xC51Fx, 8xC51Rx+, 89C51Rx2, 89C66x,
8xC554, 8xC552, etc.
MAX6326/MAX6327/
MAX6328
50
0
Figure 10. µP System Diagram using MAX6327/MAX6347
1
10
100
1000
Push-Pull, Active-HIGH Resets
RESET COMPARATOR OVERDRIVE, V – V (mV)
th
CC
SL01836
Figure 8. Maximum transient duration without causing a
reset pulse versus reset comparator overdrive.
8
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
PACKING METHOD
GUARD
BAND
TAPE
TAPE DETAIL
REEL
ASSEMBLY
COVER TAPE
CARRIER TAPE
BARCODE
LABEL
BOX
SL01305
Figure 11. Tape and reel packing method.
9
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
SOT23-3: plastic small outline package; 3 leads; body width 1.5 mm
3
1
2
0.15
0.05
1.2
1.0
0.55
0.41
0.22
0.08
3.00
2.70
1.70
1.50
0.55
0.35
0.025
1.35
10
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
SC70-3: plastic small outline package; 3 leads; body width 1.15 mm
1.0
0.8
0.4
0.225
2.1
1.9
0.4
0.1
0.25 0.10
11
2003 Aug 05
Philips Semiconductors
Product data
3-pin ultra-low power SC70/SOT
microprocessor reset circuit
MAX632x/MAX634x
REVISION HISTORY
Rev
Date
Description
_2
20030805
Product data (9397 750 11124). ECN 853-2423 30165 dated 30 July 2003.
Supersedes data of 30 Arpil 2003 (9397 750 10686).
Modifications:
• Table 1 on page 6, last row of table (suffix 46): V at T
= –40 to +85 °C: change from 4.3514 to 4.514 V.
th
amb
_1
20030430
Product data (9397 750 10686). ECN 853-2423 29823 of 15 April 2003.
Data sheet status
Product
status
Definitions
[1]
Level
Data sheet status
[2] [3]
I
Objective data
Development
This data sheet contains data from the objective specification for product development.
Philips Semiconductors reserves the right to change the specification in any manner without notice.
II
Preliminary data
Qualification
Production
This data sheet contains data from the preliminary specification. Supplementary data will be published
at a later date. Philips Semiconductors reserves the right to change the specification without notice, in
order to improve the design and supply the best possible product.
III
Product data
This data sheet contains data from the product specification. Philips Semiconductors reserves the
right to make changes at any time in order to improve the design, manufacturing and supply. Relevant
changes will be communicated via a Customer Product/Process Change Notification (CPCN).
[1] Please consult the most recently issued data sheet before initiating or completing a design.
[2] The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL
http://www.semiconductors.philips.com.
[3] For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see
the relevant data sheet or data handbook.
Limitingvaluesdefinition— Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting
values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given
in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no
representation or warranty that such applications will be suitable for the specified use without further testing or modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be
expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree
to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes in the products—including circuits, standard cells, and/or software—described
or contained herein in order to improve design and/or performance. When the product is in full production (status ‘Production’), relevant changes will be communicated
viaaCustomerProduct/ProcessChangeNotification(CPCN).PhilipsSemiconductorsassumesnoresponsibilityorliabilityfortheuseofanyoftheseproducts,conveys
nolicenseortitleunderanypatent, copyright, ormaskworkrighttotheseproducts, andmakesnorepresentationsorwarrantiesthattheseproductsarefreefrompatent,
copyright, or mask work right infringement, unless otherwise specified.
Koninklijke Philips Electronics N.V. 2003
Contact information
All rights reserved. Printed in U.S.A.
For additional information please visit
http://www.semiconductors.philips.com.
Fax: +31 40 27 24825
Date of release: 08-03
9397 750 11124
For sales offices addresses send e-mail to:
sales.addresses@www.semiconductors.philips.com.
Document order number:
Philips
Semiconductors
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