MAX6745XKVD3+T Maxim Integrated, MAX6745XKVD3+T Datasheet - Page 7

• Manufacturer Part Number: MAX6745XKVD3+T
• Description: Supervisory Circuits MCU Supervisor
• Manufacturer: Maxim Integrated
• Series: MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745r

Specifications of MAX6745XKVD3+T

• Rohs: yes
• Number Of Voltages Monitored: 2
• Monitored Voltage: 1.8 V to 5 V, 0.9 V to 3.3 V
• Undervoltage Threshold: 1.53 V, 0.765 V
• Overvoltage Threshold: 1.62 V, 0.81 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 225 ms
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SC-70
• Chip Enable Signals: No
• Maximum Power Dissipation: 247 mW
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: Yes
• Supply Current (typ): 5 uA, 10 uA
• Supply Voltage - Min: 1 V

Maxim Integrated
SPI ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Specifications to 0NC are guaranteed by design and are not production tested. Typical = +25NC, V
Note 2: V
Note 3: The power-fail reset and POR detectors are designed to operate in tandem to ensure that one or both of these signals
Note 4: Guaranteed by design and not production tested.
Note 5: Measured on the V
Note 6: The power-check interval (PCI) can be set to always on, or to 1024, 2048, or 4096 nanopower ring clock cycles.
Note 7: Current consumption during POR when powering up while V
Note 8: The minimum amount of time that V
Note 9: The maximum total current, I
Note 10: Programming time does not include overhead associated with utility ROM interface.
Note 11: AC electrical specifications are guaranteed by design and are not production tested.
MOSI Input from SCLK
Sample Edge Transition Hold
MISO Output Valid After SCLK
Shift Edge Transition
SSEL Inactive
SCLK Inactive to SSEL Rising
MISO Output Disabled After
SSEL Edge Rise
DD
= V
RST
PARAMETER
otherwise noted.
listed in the Recommended Operating Conditions table are for the default configuration of 1.8V nominal.
is active at all times when V
achieved.
sink any current. The device is executing code from flash memory.
User’s Guide for details.
maximum specified voltage drop. This does not include the IRTX output.
PFW
16-Bit Microcontroller with Infrared Module
to 3.6V, T
can be programmed to the following nominal voltage trip points: 1.8V, 1.9V, 2.55V, and 2.75V ±3%. The values
A
= 0NC to +70NC, unless otherwise noted.) (Note 11)
DD
pin and the device not in reset. All inputs are connected to GND or V
SYMBOL
t
DD
t
t
t
SOV
SSH
t
SLH
OH(MAX)
SIH
SD
< V
RST
DD
and I
, ensuring the device maintains the reset state until minimum operating voltage is
must be below V
OL(MAX)
CONDITIONS
, for all listed outputs combined should not exceed 32mA to satisfy the
PFW
DD
before a power-fail event is detected; refer to the MAXQ610
is less than the POR release voltage.
t
t
t
SPI_RF
SPI_RF
SPI_RF
t
CK
MIN
+
TYP
DD
. Outputs do not source/
MAXQ613
DD
2t
2t
= +3.3V, unless
2t
MAX
SPI_RF
SPI_RF
CK
+
UNITS
ns
ns
ns
ns
ns
7