MC33063 Microsemi Corporation, MC33063 Datasheet
MC33063
Manufacturer Part Number
MC33063
Description
Manufacturer
Microsemi Corporation
Datasheet
1.MC33063.pdf
(10 pages)
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T
Copyright © 1999
Rev. 1.3a,2005-03-01
H E
circuit designed specifically for use as a
reset controller in microprocessor- based
systems.
economical, space-efficient solution for low
supply voltage detection when used in
combination with a single pullup resistor.
Adding
functionality of a programmable delay time
after power returns. The 34064 consists of a
temperature stable reference comparator
with hysteresis, high-current clamping
diode and open
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
The MC34064 is an undervoltage sensing
I
N F I N I T E
one
It
offers
capacitor
P
O W E R
-40 to 85
the
T
11861 W
0 to 70
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. MC34064DM-TR)
A
P R O D U C T H I G H L I G H T
(°C)
designer
O F
offers
ESTERN
D E S C R I P T I O N
L
DM
I
I N
N N O V A T I O N
Transition DC: 0440
A
F
MC34064DM
MC33064DM
VENUE
RoHS / Pb-free
the
I N I T Y
an
Plastic SOIC
8-Pin
, G
up to 60mA. The MC34064's RESET
output is specified to be fully functional at
VIN=1V. A major improvement over
competing products is the glitch-free
supply
detection. Competing products demand a
step function increase in operating current
during the time that you least want or need
it: during power loss. See Product
Highlight below.
ARDEN
collector output stage capable of sinking
PACKAGE ORDER INFO
M
I C R O E L E C T R O N I C S
G
ROVE
current
, CA. 92841, 714-898-8121, F
LP
Transition DC: 0509
MC34064LP
MC33064LP
RoHS / Pb-free
during
Plastic TO-92
3-Pin
U
P
N D E R V O L T A G E
R O D U C T I O N
undervoltage
I
N C
AX
: 714-893-2570
PK
MC33064 / MC34064
.
Transition DC: 0518
MC34064PK
MC33064PK
RoHS / Pb-free
S
Plastic SOT-89
3-Pin
E N S I N G
D
A T A
Monitors 5V Supplies (VT =
4.6V Typ.)
Outputs Fully Defined At VIN
= 1V (See Figure 1)
Glitch-Free Supply Current
During Switching (See
Product Highlight)
Ultra-Low Supply Current
(500µA Max.)
Temperature Compensated
ICC For Extremely Stable
Current Consumption
µP Reset Function
Programmable With 1
External Resistor And
Capacitor
Comparator Hysteresis
Prevents Output Oscillation
Electrically Compatible With
Motorola MC34064
Pin-to-Pin Compatible With
Motorola MC34064 /
MC34164
All Microprocessor Or
Microcontroller Designs
Using 5V Supplies
Simple 5V Undervoltage
Detection
K E Y F E A T U R E S
K E Y F E A T U R E S
S
C
H E E T
I R C U I T
1
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MC33063 Summary of contents
Page 1
The MC34064 is an undervoltage sensing circuit designed specifically for use ...
Page 2
...
Page 3
...
Page 4
MC33064/MC34064 T RANSIENT GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. INPUT VOLTAGE and RESET ...
Page 5
FIGURE 1. — INPUT VOLTAGE and RESET OUTPUT VOLTAGE vs. TIME 10k L ...
Page 6
MC33064/MC34064 T RANSIENT FIGURE 5. — THRESHOLD VOLTAGE vs. TEMPERATURE 4 increasing 4.5 ...
Page 7
FIGURE 9. — LOW LEVEL OUTPUT CURRENT vs. TEMPERATURE ...
Page 8
MC33064/MC34064 T RANSIENT FIGURE 13. — PROPAGATION DELAY — HIGH to LOW 5 ...
Page 9
FIGURE 15. — LOW VOLTAGE MICROPROCESSOR RESET V IN POWER SUPPLY 1.2 V REF A time ...
Page 10
MC33064/MC34064 T RANSIENT ...