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PDF MAX6315 Data sheet ( Hoja de datos )
| Número de pieza | MAX6315 | |
| Descripción | Open-Drain SOT P Reset Circuit | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-2000; Rev 1; 1/99
Open-Drain SOT µP Reset Circuit
________________General Description
The MAX6315 low-power CMOS microprocessor (µP)
supervisory circuit is designed to monitor power sup-
plies in µP and digital systems. It provides excellent cir-
cuit reliability and low cost by eliminating external
components and adjustments. The MAX6315 also pro-
vides a debounced manual reset input.
This device performs a single function: it asserts a reset
signal whenever the VCC supply voltage falls below a
preset threshold or whenever manual reset is asserted.
Reset remains asserted for an internally programmed
interval (reset timeout period) after VCC has risen above
the reset threshold or manual reset is deasserted. The
MAX6315’s open-drain RESET output can be pulled up
to a voltage higher than VCC.
The MAX6315 comes with factory-trimmed reset thresh-
old voltages in 100mV increments from 2.5V to 5V.
Preset timeout periods of 1ms, 20ms, 140ms, and
1120ms (minimum) are also available. The device
comes in a SOT143 package.
For microcontrollers (µCs) and µPs with bidirectional
reset pins, see the MAX6314 data sheet.
________________________Applications
Computers
Controllers
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Battery-Powered Equipment
__________________Pin Configuration
TOP VIEW
GND 1
MAX6315
4 VCC
____________________________Features
o Small SOT143 Package
o Open-Drain RESET Output Can Exceed VCC
o Precision, Factory-Set VCC Reset Thresholds:
100mV Increments from 2.5V to 5V
o ±1.8% Reset Threshold Accuracy at TA = +25°C
o ±2.5% Reset Threshold Accuracy Over Temp.
o Four Reset Timeout Periods Available:
1ms, 20ms, 140ms, or 1120ms (minimum)
o Immune to Short VCC Transients
o 5µA Supply Current
o Pin-Compatible with MAX811
Ordering and Marking Information appear at end of
data sheet.
__________Typical Operating Circuit
VCC
VCC
LASER-
TRIMMED
RESISTORS
RESET
MR CIRCUITRY
RESET
µP
RESET
RESET 2
3 MR
SOT143
MAX6315
GND
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1 page  
Open-Drain SOT µP Reset Circuit
________________________________________________________Ordering Information
PART†
MAX6315US50D1-T
MAX6315US49D1-T
MAX6315US48D1-T
MAX6315US47D1-T
MAX6315US46D1-T
MAX6315US45D1-T
MAX6315US44D1-T†††
MAX6315US43D1-T
MAX6315US42D1-T
MAX6315US41D1-T
MAX6315US40D1-T
MAX6315US39D1-T
MAX6315US38D1-T
MAX6315US37D1-T
MAX6315US36D1-T
MAX6315US35D1-T
MAX6315US34D1-T
MAX6315US33D1-T
MAX6315US32D1-T
MAX6315US31D1-T
MAX6315US30D1-T
MAX6315US29D1-T
MAX6315US28D1-T
MAX6315US27D1-T
MAX6315US26D1-T†††
MAX6315US25D1-T
NOMINAL MIN tRP
VTH (V)
(ms)
5.00 1
4.90 1
4.80 1
4.70 1
4.63 1
4.50 1
4.39 1
4.30 1
4.20 1
4.10 1
4.00 1
3.90 1
3.80 1
3.70 1
3.60 1
3.50 1
3.40 1
3.30 1
3.20 1
3.08 1
3.00 1
2.93 1
2.80 1
2.70 1
2.63 1
2.50 1
SOT TOP
MARK††
FX_ _
FY_ _
FZ_ _
GA_ _
GB_ _
GC_ _
GD_ _
GE_ _
GF_ _
GG_ _
GH_ _
GI_ _
GJ_ _
GK_ _
GL_ _
GM_ _
GN_ _
GO_ _
GP_ _
GQ_ _
GR_ _
GS_ _
GT_ _
GU_ _
GV_ _
GW_ _
PART†
MAX6315US50D2-T
MAX6315US49D2-T
MAX6315US48D2-T
MAX6315US47D2-T
MAX6315US46D2-T
MAX6315US45D2-T
MAX6315US44D2-T†††
MAX6315US43D2-T
MAX6315US42D2-T
MAX6315US41D2-T
MAX6315US40D2-T
MAX6315US39D2-T
MAX6315US38D2-T
MAX6315US37D2-T
MAX6315US36D2-T
MAX6315US35D2-T
MAX6315US34D2-T
MAX6315US33D2-T
MAX6315US32D2-T
MAX6315US31D2-T
MAX6315US30D2-T
MAX6315US29D2-T
MAX6315US28D2-T
MAX6315US27D2-T
MAX6315US26D2-T†††
MAX6315US25D2-T
NOMINAL MIN tRP
VTH (V)
(ms)
5.00 20
4.90 20
4.80 20
4.70
4.63
4.50
4.39
4.30
4.20
4.10
4.00
20
20
20
20
20
20
20
20
3.90 20
3.80 20
3.70 20
3.60 20
3.50 20
3.40 20
3.30 20
4.20 20
3.08 20
3.00 20
2.93 20
2.80 20
2.70 20
2.63 20
2.50 20
SOT TOP
MARK††
GX_ _
GY_ _
GZ_ _
HA_ _
HB_ _
HC_ _
HD_ _
HE_ _
HF_ _
HG_ _
HH_ _
HI_ _
HJ_ _
HK_ _
HL_ _
HM_ _
HN_ _
HO_ _
HP_ _
HQ_ _
HR_ _
HS_ _
HT_ _
HU_ _
HV_ _
HW_ _
†The MAX6315 is available in a SOT143 package, -40°C to +85°C temperature range.
††The first two letters in the package top mark identify the part, while the remaining two letters are the lot tracking code.
†††Sample stocks generally held on the bolded products; also, the bolded products have 2,500 piece minimum-order quantities.
Non-bolded products have 10,000 piece minimum-order quantities. Contact factory for details.
Note: All devices available in tape-and-reel only. Contact factory for availability.
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX6315.PDF ] | |
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