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PDF MAX16073 Data sheet ( Hoja de datos )
| Número de pieza | MAX16073 | |
| Descripción | uP Supervisory Circuits in 4-Bump (1mm x 1mm) Chip-Scale Package | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-5112; Rev 0; 1/10
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µP Supervisory Circuits in
4-Bump (1mm x 1mm) Chip-Scale Package
General Description
The MAX16072/MAX16073/MAX16074 ultra-small, ultra-
low-power, microprocessor (µP) supervisory circuits
feature a precision band-gap reference, comparator,
and internally trimmed resistors that set the threshold
voltage. Designed to monitor the system supply voltage
and assert an output during power-up, power-down,
and brownout conditions, these devices provide excel-
lent circuit reliability and low cost by eliminating external
components and adjustments when monitoring nominal
system voltage from 1.8V to 3.6V.
The MAX16072 has a push-pull, active-low reset output,
the MAX16073 has a push-pull, active-high reset output,
and the MAX16074 has an open-drain active-low reset
output. The devices are designed to ignore fast tran-
sients on VCC. The devices also include a manual reset
input (MR).
The MAX16072/MAX16073/MAX16074 are available in a
1mm x 1mm, space-saving, 4-bump, chip-scale pack-
age (UCSPTM).
Applications
Portable/Battery-Powered Equipment
Cell Phones
PDAs
MP3 Players
Digital Cameras
Typical Operating Circuit
VCC
Features
S Ultra-Low, 0.7µA Supply Current
S Ultra-Small (1mm x 1mm), 4-Bump UCSP
S 20µs, 8ms, 34ms, and 140ms Reset Timeout
Options Available
S Factory-Trimmed Reset Thresholds Available
from 1.58V to 3.08V in Approximately 100mV
Increments
S Q2.5% Threshold Accuracy Over Temperature
S Manual Reset Input
S Guaranteed Reset Valid to VCC = 1.0V
S Immune to Short VCC Transient
Ordering Information
PART
RESET OUTPUT TYPE
MAX16072RS_ _D_+
MAX16073RS_ _D_+
MAX16074RS_ _D_+
Push-Pull, Active-Low
Push-Pull, Active-High
Open-Drain, Active-Low
PIN-
PACKAGE
4 UCSP
4 UCSP
4 UCSP
Note: All devices are specified over the -40NC to +85NC operat-
ing temperature range.
Insert the desired suffix numbers (from Table 1) into the blanks
“RS_ _D” to indicate the reset trip threshold. Insert the desired
suffix number (from Table 2) into the blank ”D_+” to indicate the
reset timeout. Minimum order quantity may apply.
+Denotes a lead(Pb)-free/RoHS-compliant package.
VCC VCC
MAX16072
MR
MAX16073
MAX16074
(RESET)/
RESET
GND
µP
RESET
INPUT
GND
( ) FOR THE MAX16073 ONLY
UCSP is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
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µP Supervisory Circuits in
4-Bump (1mm x 1mm) Chip-Scale Package
Bump Configuration
TOP VIEW
(BUMP SIDE DOWN)
MAX16072
MAX16073
MAX16074
1
+
2
A GND
VCC
B
RESET/
(RESET)
MR
UCSP
( ) FOR THE MAX16073 ONLY
MAX16072
A1
BUMP
MAX16073
A1
MAX16074
A1
B1 — —
— B1 —
— — B1
A2 A2 A2
B2 B2 B2
NAME
GND
RESET
RESET
RESET
VCC
MR
Bump Description
FUNCTION
Ground
Active-Low Push-Pull Reset Output. RESET changes from high to
low when VCC drops below the detector threshold (VTH) or MR is
pulled low. RESET remains low for the reset timeout period after VCC
exceeds VTH and MR is high. When MR is low, RESET is low.
Active-High Push-Pull Reset Output. RESET changes from low to
high when VCC drops below the detector threshold (VTH) or MR is
pulled low. RESET remains high for the reset timeout period after VCC
exceeds VTH and MR is high. When MR is low, RESET is high.
Active-Low Open-Drain Reset Output. RESET changes from high-
impedance to active-low when VCC drops below the detector thresh-
old (VTH) or MR is pulled low. RESET remains low for the reset timeout
period after VCC exceeds the reset threshold and MR is high. When
MR is low, RESET is low.
Supply Voltage and Input for the Reset Threshold Monitor
Active-Low Manual-Reset Input. Drive low to force a reset. Reset
remains active as long as MR is low and for the reset timeout period (if
applicable) after MR is driven high. MR has an internal pullup resistor
connected to VCC, and may be left unconnected if not used.
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX16073.PDF ] | |
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