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MAX703CPAMAXIMN/a10avaiLow-Cost レP Supervisory Circuits with Battery Backup
MAX703CSAN/a600avaiLow-Cost レP Supervisory Circuits with Battery Backup
MAX703CSAMAXIM ?N/a75avaiLow-Cost レP Supervisory Circuits with Battery Backup
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MAX703ESAMAXIM ?N/a50avaiLow-Cost レP Supervisory Circuits with Battery Backup
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MAX704CSAMAXIMN/a100avaiLow-Cost レP Supervisory Circuits with Battery Backup
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MAX703CSA ,Low-Cost レP Supervisory Circuits with Battery BackupELECTRICAL CHARACTERISTICS (Vcc = +4.75V to +5.5V for MAX703, Vcc = +4.5V to +5.5V for MAX704, V ..
MAX703CSA ,Low-Cost レP Supervisory Circuits with Battery BackupApplications Computers Controllers Intelligent Instruments Automotive Systems Critical ..
MAX703CSA ,Low-Cost レP Supervisory Circuits with Battery BackupELECTRICAL CHARACTERISTICS (Vcc = +4.75V to +5.5V for MAX703, Vcc = +4.5V to +5.5V for MAX704, V ..
MAX703CSA+ ,Low-Cost Microprocessor Supervisory Circuits with Battery BackupApplicationsMAX704C/D 0°C to +70°C Dice*● Computers MAX704CPA 0°C to +70°C 8 PDIP● ControllersMAX70 ..
MAX703CSA+T ,Low-Cost Microprocessor Supervisory Circuits with Battery BackupFeatures● Battery-Backup Power SwitchingThe MAX703/MAX704 microprocessor (μP) supervisory ● Precisi ..
MAX703CSA-T ,Low-Cost Microprocessor Supervisory Circuits with Battery BackupElectrical Characteristics(V = +4.75V to +5.5V for MAX703, V = +4.5V to +5.5V for MAX704, V = 2.8V, ..
MB40576P ,ASSP 1 channel 6-bit video A/D converterapplications PLASTIC PACKAGE such as the digital TV, video processing with computer, or radar sign ..
MB4072 ,1 CHANNEL 8-BIT D/A CONVERTERFUJITSU SEMICONDUCTORDS04-13200-3EDATA SHEETLINEAR IC1 CHANNEL 8-BIT D/A CONVERTERMB40721 CHANNEL 8 ..
MB4072PF ,1 channel 8-bit D/A converterapplicationswith operational amplifiers, microcomputers, etc.Threshold level of digital inputs is v ..
MB4072PF ,1 channel 8-bit D/A converterBLOCK DIAGRAMMSB LSBV+ VLC B1 B2 B3 B4 B5 B6 B7 B813 1 5 6 7 8 9 10 11 12INTERFACE LEVEL CONTROL CI ..
MB40760 ,1CHANNEL 10-BIT D/A CONVERTERFUJITSU SEMICONDUCTORDS04-28311-2EDATA SHEETASSP1CHANNEL10-BIT D/A CONVERTERMB40760n DESCRIPTIONMB4 ..
MB40768H ,D/A Converter (1-ch, 8-bit, 60 MSPS)FEATURES• Resolution: 8 bits• Conversion characteristics: Maximum conversion rate: 60 MSPS [min.]Li ..


MAX703CPA-MAX703CSA-MAX703EPA-MAX703ESA-MAX704CPA-MAX704CSA-MAX704ESA
Low-Cost レP Supervisory Circuits with Battery Backup
19-0730; Rev 1.11/94
2hlAlADClLAlAl
Low-Cost “P Supervisory Circuits
General Description
The MAX703 and MAX704 microprocessor (pP) super-
visory circuits reduce the complexity and number of
components required to monitor power-supply and bat-
tery functions in pP systems. These devices significantly
improve system reliability and accuracy compared to
separate ICs or discrete components.
The MAX703/MAX704 are available in 8-pin DIP and SO
packages and provide four functions:
1) An active-low reset during power-up, power-
down, and brownout conditions.
2) Battery-backup switching for CMOS RAM, CMOS
pPs, or other Iow-power logic circuitry.
3) A 1.25V threshold detector for power-fail warning,
low-battery detection, or for monitoring a power
supply other than +5V.
4) An active-low manual-reset input.
The MAX703 and MAX704 differ only in their supply-volt-
age monitor levels. The MAX703 generates a reset when
the supply drops below 4.65V, while the MAX704
generates a reset below 14V.
Applications
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical pP Power Monitoring
Typical Operating Circuit
with Battery Backup
Features
. Battery-Backup Power Switching
. Precision Supply-Voltage Monitor
4.65V MAX703
4.40V MAX704
. 200ms Reset Pulse Width
. Debounced TTL-lCMOS-Compatible
Manual-Reset Input
. 20thsA Quiescent Current
. 50nA Quiescent Current in Battery-Backup Mode
. Voltage Monitor for Power-Fail or
Low-Battery Warning
. 8-Pin DIP and SO Packages
. Guaranteed RESET Assertion to Vcc = 1V
Ordering Information
PART TEMP. RANGE PlN-PACKAGEJ
MAX703CPA 01: to not 8 Plastic DIP 3
MAX703CSA 0%: to not a so -
MAX703C/D O'C to +70''C che'
MAX703EPA 40C to +350 8 Plastic DIP
MAX703ESA -4o‘c to +85'C s so
MAX703MJA 650 to +1251: 8 CERDIP"
Ordering Information continued on last page.
. Dice are tested at TA = +25'C only.
.. Contact factory for availability and processing to M/L-STD-883
Pin Configuration
UNREGULATEDDC REGULATED+5V
MICROPROCESSOH TOPVIEW
RI i v Wy:
(rlpF CC RESET RESET
T PH pm E . V D
_ NMI VOJT 1 e VBATT
361/ MAXIM MAXIM
LITHI M RESET
améjay MAX703 (it10 VCC E MAX703 E]
R MAXIM _ 4- GNDE MAX704 El m
WATT BUS PFI E El PFC
MR GND MOU,) Vcc
T CMOSRAM DIPISO
' l- PUSHBUTTON
- l l SWITCH - "r-
MAXIM MaxlmlntegratedProducts 1
Call toll free f.ttoth9Btbtttttm for free samples or literature.
i701)! VW/SOLX VIII!
MAX 703/MAX 704
Low-Cost “P Supervisory Circuits
with Battery Backup
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
Vcc .................................. -0.3V to 6.0V
VBATT .......................... _ _ . . 0.3V to 6.0V
All Other Inputs (Note 1) ............ -0.3V to (VCB + 0.3V)
Input Current
VCC ........................................ 200mA
VBATT ....................................... 50mA
GND _ _ .................................... 20mA
Output Current
VOUT ............. Short-Circuit Protected for up to 10 sec
All Other Outputs ......................... 20mA
Rate-of-Rise, Vcc, VBATT ............ _ ....... 1OOV/ps
Continuous Power Dissipation (TA = +70'C)
Plastic DIP (derate 9.09mW/'C above +70'C) ...... 727mW
SO (derate 5.88mW/‘C above +70''C) ............ 471mW
CERDIP (derate 8.00mW/‘C above +70''C) ......... 640mW
Operating Temperature Ranges:
MAX70_C_ .......................... UC to +70°C
MAX70_E_ .......................... -40'C to +850
MAX70_MJA ......................... -55°C to +125°C
Storage Temperature Range .............. -65‘C to +160"C
Lead Temperature (soldering, 10 sec) .............. +300"C
Note 1: Vca is the greater of Vcc and VBATT. The input voltage limits on PFI and W may be exceeded if the current into these pins
is limited to less than 10mA.
Stresses beyond those listed under 'Absolure Maximum Ratings" may cause permanent damage to the device. These are stress ratings only. and functional
operation of the device at these or any other conditions beyond those indicated m the operational sections of the specifications is not implied Exposure ro
absolute maximum rating conditions for extended periods may affect de woe reliability,
ELECTRICAL CHARACTERISTICS
(Vcc = +4.75V to +5.5V for MAX703, Vcc = +4.5V to +5.5V for MAX704, VBAn = 2BV, TA = TMIN to TMAx, unless otherwise noted.)
PARAMETER SYMBOLS CONDITIONS MIN TYP MAX UNITS
Operating Voltage Range
vcc, VBATT (Note 2) 0 5.5 V
Supply _Current Isupm MAX70_C 200 350 “A
(Excluding IOUT) MAX70_E/M 200 500
lSUPPLY in Battery-Backup VCC = 0V, TA = +25°C 0-05 10 pA
Mode (Excluding IOUT) VBATT _ 2.8V TA-- TMIN to TMAX 5.0
VBATT Standby Current 5.5V> Vcc > TA = +25'C -0,1 0-02 “A
(Note 3) VBATT + 0.2V TA=TMIN to TMAX -1.0 002
IOUT = 5mA Vcc-ODS vocaozs
VOUT Output V
IOUT = 50mA Vcc-O.5 Vcc-0.25
VOUT in Battery-Backup Mode [OUT = 250PA, VCC < VBATT-0.2V VBOAIT- V33» V
Battery-Switch Threshold V V Power-Up 20 v
(VCC - VBATT) CC < RST Power-Down -20 m
Battery-Switchover Hysteresis 40 mV
RES-SET Th h id v MAX703 4.50 4.65 4.75 v
res C)
RST MAX704 4.25 4.40 4.50
RESET Threshold Hysteresis 40 mV
RESET Pulse Width mm 140 200 280 ms
VOH ISOURCE = 800WA VCC-IS
ISINK = 3.2mA 0.4
RESET 0 t (Volta e MAX70_C. Vcc = IV, VCC falling, v
u pu g VOL VBATT = OV, ISM = 50pA 0.3
MAX70_E/M, VCC = 1.2V, Vcc falling, O 3
VBATT = OV, ISINK = 100pA ' A
2 MAXIM
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