MAX709TC/D Maxim Integrated, MAX709TC/D Datasheet

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MAX709TC/D

Manufacturer Part Number
MAX709TC/D
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX709L, MAX709M, MAX709R, MAX709S, MAX709Tr
Datasheet

Specifications of MAX709TC/D

Number Of Voltages Monitored
1
Monitored Voltage
3 V, 3.3 V, 5 V
Undervoltage Threshold
3 V
Overvoltage Threshold
3.15 V
Output Type
Active Low, Push-Pull
Manual Reset
Not Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
560 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
Die
Chip Enable Signals
No
Minimum Operating Temperature
0 C
Power Fail Detection
No
Supply Current (typ)
150 uA
Supply Voltage - Min
1 V
19-0136; Rev. 2; 12/05
The MAX709 provides a system reset during power-up,
power-down, and brownout conditions. When V
below the reset threshold, RESET goes low and holds
the µP in reset for 140ms min after V
threshold.
The RESET output is guaranteed to be in the correct
state with V
excellent circuit reliability and low cost by eliminating
external components and adjustments when used with
+5V, +3.3V, or +3V powered systems. The MAX709 is
available 8-pin DIP, µMAX, and SO packages.
__________Typical Operating Circuit
Call toll free 1-800-998-8800 for free samples or literature.
_______________General Description
_______________________Applications
Minimum Component Count,
Low-Cost Processor Systems
CC
MAX709
GND
V
down to 1V. The MAX709 provides
CC
________________________________________________________________ Maxim Integrated Products
RESET
RESET
Power-Supply Monitor with Reset
GND
V
CC
CC
P
rises above the
CC
falls
♦ +5V, +3.3V, and +3V Versions
♦ No External Components
♦ Low Cost
♦ Precise Power-Down Reset Threshold
♦ 140ms Min Power-On Reset Delay
♦ Immune to Short Negative V
♦ 8-Pin DIP, µMAX, and SO Packages
♦ Low Supply Current: 35µA - MAX709R/S/T
Devices are available in both leaded and lead-free packaging.
Specify lead free by adding the + symbol at the end of the part
number when ordering.
*Dice are specified at T
Note: This part offers a choice of five different reset threshold
__________________Pin Configuration
______________Ordering Information
MAX709_CPA
MAX709_CUA
MAX709_CSA
MAX709_C/D
MAX709_EPA
MAX709_EUA
MAX709_ESA
___________________________Features
TOP VIEW
PART
voltages. Select the letter corresponding to the desired
nominal reset threshold voltage, and insert it into the
blank to complete the part number.
SUFFIX
M
S
R
L
T
GND
N.C.
N.C.
V
CC
3
RESET THRESHOLD
1
2
4
A
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
= +25°C, DC parameters only.
DIP/SO/ MAX
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
MAX709
65µA - MAX709L/M
CC
Transients
VOLTAGE (V)
8
7
6
5
N.C.
RESET
N.C.
N.C.
PIN-PACKAGE
8 Plastic DIP
8 µMAX
8 SO
Dice
8 Plastic DIP
8 µMAX
8 SO
4.65
4.40
3.08
2.93
2.63
1

Related parts for MAX709TC/D

MAX709TC/D Summary of contents

Page 1

... MAX709 RESET RESET GND GND ________________________________________________________________ Maxim Integrated Products Call toll free 1-800-998-8800 for free samples or literature. ___________________________Features ♦ +5V, +3.3V, and +3V Versions falls ♦ No External Components CC ♦ Low Cost rises above the ♦ Precise Power-Down Reset Threshold ♦ 140ms Min Power-On Reset Delay ♦ ...

Page 2

Power-Supply Monitor with Reset ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND ...

Page 3

Power-Supply Monitor with Reset __________________________________________Typical Operating Characteristics POWER-UP RESET DELAY vs. TEMPERATURE 300 V = RESET THRESHOLD MAX RISING CC 250 200 150 100 50 0 -60 -20 20 TEMPERATURE (°C) SUPPLY CURRENT vs. TEMPERATURE 100 NOTE: STEADY-STATE ...

Page 4

Power-Supply Monitor with Reset ____________________Pin Description PIN NAME FUNCTION No Connect. There is no internal N. connection to this pin +5V, +3.3V, or +3V Supply Voltage CC 3 GND Ground Reset Output remains ...

Page 5

Power-Supply Monitor with Reset V CC MAX709 RESET R1 GND Figure 2. RESET Valid Ground Circuit CC Interfacing to µPs with Bidirectional Reset Pins Microprocessors with bidirectional reset pins (such as the Motorola 68HC11 series) can contend ...

Page 6

... Power-Supply Monitor with Reset _____________________________________________________µP Supervisory Circuits Minimum Nominal Nominal Reset Watchdog Reset Pulse Timeout Part Threshold Width Period Number (V) (ms) (sec) MAX690A/692A 4.65/4.40 140 1.6 MAX691A/693A 4.65/4.40 140/adj. 1.6/adj. MAX696 Adj. 35/adj. 1.6/adj. MAX697 Adj. 35/adj. 1.6/adj. MAX700 4.65/adj. 200 - MAX703/704 4.65/4.40 140 ...

Page 7

Power-Supply Monitor with Reset ___________________Chip Topography V CC RESET GND 0.056" (1.422mm) TRANSISTOR COUNT: 380 SUBSTRATE CONNECTED _______________________________________________________________________________________ 0.045" (1.143mm) 7 ...

Page 8

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 ___________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 2005 Maxim Integrated Products ...

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