MAX820LCPE Maxim Integrated Products, MAX820LCPE Datasheet - Page 9

• Manufacturer Part Number: MAX820LCPE
• Description: Supervisory Circuits MPU & NV Memory Supervisor
• Manufacturer: Maxim Integrated Products

Specifications of MAX820LCPE

• Number Of Voltages Monitored: 1
• Monitored Voltage: 2.75 V to 5.5 V
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.75 V
• Output Type: Active High, Active Low, Push-Pull
• Manual Reset: Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 280 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.75 V
• Supply Current (typ): 150 uA
• Maximum Power Dissipation: 842 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP N
• Minimum Operating Temperature: 0 C
• Power Fail Detection: Yes
• Lead Free Status / Rohs Status: No

Figure 1. MAX792/MAX820 Block Diagram
RESET IN/
REFOUT
LLIN/
CE IN
SWT
WDI
INT
MR
OVI
11
14
4
5
9
8
7
V
CC
_______________________________________________________________________________________
*
V
CC
3
Microprocessor and Nonvolatile
V
1.30V
CC
OVERVOLTAGE
COMPARATOR
Memory Supervisory Circuits
V
V
V
CC
CC
CC
60mV
TIMEBASE FOR
RESET
COMPARATOR
LOW-LINE
COMPARATOR
WATCHDOG
WATCHDOG
WATCHDOG
TRANSITION
RESET AND
EXTERNAL
DETECTOR
INTERNAL
MANUAL
RESET
COMPARATOR
TIMER
V
12
CC
GND
INTERNAL/
EXTERNAL
CONTROL
MODE
CHIP-ENABLE
GENERATOR
CONTROL
OUTPUT
RESET
N
P
* SWITCHES ARE SHOWN IN INTERNAL
MAX792
MAX820
THRESHOLD MODE POSITION
V
CC
P
1
10
16
15
2
13
6
RESET
RESET
LOW LINE
CE OUT
WDPO
WDO
OVO
9