MAX693EWE+ Maxim Integrated Products, MAX693EWE+ Datasheet - Page 10

• Manufacturer Part Number: MAX693EWE+
• Description: IC SUPERVISOR MPU 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Battery Backup Circuitr

Specifications of MAX693EWE+

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Push-Pull
• Reset: Active High/Active Low
• Reset Timeout: 35 ms Minimum
• Voltage - Threshold: 4.4V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Monitored Voltage: 4.4 V
• Output Type: Active High, Active Low, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current (typ): 10000 uA
• Maximum Power Dissipation: 600 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: Yes
• Undervoltage Threshold: 4.25 V
• Overvoltage Threshold: 4.5 V
• Power-up Reset Delay (typ): 70 ms
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Microprocessor Supervisory Circuits
Figure 4. MAX691A/MAX693A/MAX800L/MAX800M Block Diagram
Figure 5. Reset and Chip-Enable Timing
10
______________________________________________________________________________________
* 4.4V FOR THE MAX693A/MAX800M
LOGIC LEVELS SHOWN ARE FROM 0V TO 5V.
OSC SEL
OSC IN
VBATT
CE IN
5.0V
4.0V
5.0V
WDI
V
PFI
5V
5V
0V
5V
0V
0V
0V
CC
13
THRESHOLD
11
1
3
7
8
9
CE OUT
RESET
RESET
RESET
CE IN
V
CC
4.65V*
1.25V
MAX800M
MAX691A
MAX693A
MAX800L
100μs
15μs
5
TIMEBASE FOR
BATT ON
WATCHDOG
TRANSITION
WATCHDOG
RESET AND
DETECTOR
4
GND
WATCHDOG
CHIP-ENABLE
GENERATOR
CONTROL
TIMER
OUTPUT
RESET
100μs
15
6
12
16
14
2
10
LOW LINE
RESET
WDO
PFO
CE OUT
V
RESET
OUT