EM6325A EMMICRO [EM Microelectronic - MARIN SA], EM6325A Datasheet

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EM6325A

Manufacturer Part Number
EM6325A
Description
Reset Circuit with Manual Reset
Manufacturer
EMMICRO [EM Microelectronic - MARIN SA]
Datasheet
1.EM6325A.pdf (8 pages)

Available stocks

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Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
EM6325AXSK4B-2.6+
Manufacturer:
EMMICRO
Quantity:
20 000
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Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
EM6325AXSK4B-2.9+
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Quantity:
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Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
EM6325AXSK4B-3.1+
Manufacturer:
EMMICRO
Quantity:
20 000
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
EM6325AXSK4B-4.4+
Manufacturer:
EMMICRO
Quantity:
20 000
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
EM6325AXSK4B-4.6+
Manufacturer:
EMMICRO
Quantity:
20 000
Description
The EM6325 is an ultra-low current reset circuit available in a
large variety of configurations and very small packages for
maximum flexibility in all end-applications up to 125°C and
using power supplies between 1.5V and 5.5V.
This circuit monitors the supply voltage of any electronic
system, and generates the appropriate reset signal after a
fixed reset timeout period. The threshold defines the
minimum allowed voltage which guarantees the good
functionality of the system. When V
output remains active for an additional delay time. This
allows the system to stabilize before getting fully active.
This circuit features a Manual Reset: an input that asserts
reset when pulled low (
Small SC70-4L, SC70-5L and SOT23-5L packages as well
as ultra-low supply current of 2.9μA make the EM6325 an
ideal choice for portable and battery-operated devices.
Typical Application
Block Diagram
Pin Description
Copyright © 2005, EM Microelectronic-Marin SA
SOT23-5L / SC70-5L
GND
V
MR
DD
GND
*
V
R
DD
EXT
for open-drain version only
1
2
3
4
5
Pin
EM MICROELECTRONIC
MR
EM6325
Reference
Voltage
GND
Filter
SC70-4L
MR
V
DD
RESET
RESET
2
1
2
3
4
Reset Circuit with Manual Reset
with internal pull-up).
+
-
RESET
RESET
Name
GND
*
MR
V
DD
DD
rises above V
RESET
RESET
MPU, DSP
Oscillator
Reset
Logic
GND
V
DD
Active-low RESET output. RESET remains low for the reset timeout period and
then goes high after all reset conditions are deasserted or after MR goes from low
to high
Ground
Active-high RESET output. RESET remains high for the reset timeout period and
then goes low after all reset conditions are deasserted or after MR goes from low to
high
Manual Reset input with an internal pull-up 15k Ω resistor. Reset remains active as
long as MR is low and for t
CMOS output or shorted to ground with a switch
Supply Voltage (5.5V max.)
RESET
RESET
TH
, the
- MARIN SA
1
Features
Applications
Pin Configuration
push-pull / open-drain
POR
Manual reset function
200ms reset timeout period (1.6ms, 25ms, 1600ms on
request)
Ultra-low supply current of 2.9μA (V
Operating temperature range: -40°C to +125°C
±1.5% reset threshold accuracy
11 reset threshold voltages V
2.93V, 2.63V, 2.2V, 1.8V, 1.66V, 1.57V, 1.38V, 1.31V
3 reset output options:
Immune to short negative V
Guaranteed Reset valid down to 0.9V
Threshold hysteresis: 2.1% of V
Very small SOT23-5L, SC70-5L and SC70-4L
Computers
Servers and workstations
Modems
Wireless communication
Metering
Playstations
PDA , Webpad
Automotive systems
RESET
RESET
push-pull
GND
SOT23-5 / SC70-5
after MR returns high. MR can be driven with a
Active-low
Active-low
Active-high
1
2
3
Function
top view
RESET
RESET
5
4
RESET
(top view)
V
MR
DD
(RESET)
push-pull
open-drain
push-pull
RESET
www.emmicroelectronic.com
GND
DD
EM6325
TH
transients
: 4.63V, 4.4V, 3.08V,
1
2
TH
SC70-4
top view
DD
=3.3V)
4
3
V
MR
DD

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EM6325A Summary of contents

Page 1

EM MICROELECTRONIC Reset Circuit with Manual Reset Description The EM6325 is an ultra-low current reset circuit available in a large variety of configurations and very small packages for maximum flexibility in all end-applications up to 125°C and using power supplies ...

Page 2

... EM6325BX__-4.4 EM6325AX__-4.6 ANAL EM6325BX__-4.6 EM6325AY__-1.3 ANAM EM6325BY__-1.3 EM6325AY__-1.4 ANAN EM6325BY__-1.4 EM6325AY__-1.6 ANAP EM6325BY__-1.6 EM6325AY__-1.7 ANAQ EM6325BY__-1.7 EM6325AY__-1.8 ANAR EM6325BY__-1.8 EM6325AY__-2.2 ANAS EM6325BY__-2.2 EM6325AY__-2.6 ANAT EM6325BY__-2.6 EM6325AY__-2.9 ANAU EM6325BY__-2.9 EM6325AY__-3.1 ANAV EM6325BY__-3.1 EM6325AY__-4.4 ANAW EM6325BY__-4.4 EM6325AY__-4.6 ANAX EM6325BY__-4.6 Standard Versions, Samples Sample stock is generally held on standard versions (below) only. Non standard versions have a 30,000 pieces minimum order quantity ...

Page 3

Absolute Maximum Ratings Parameter Symbol Voltage GND DD Minimum voltage at any signal pin Maximum voltage at any signal pin Electrostatic discharge max. to MIL-STD-883C method 3015.7 with ref Max. soldering conditions Storage Temperature ...

Page 4

... V >5V I =-3mA DD OH Only for EM6325_Y (open-drain) low high T = +25° PMD T =-40°C to +125° RESET (RESET) 4 EM6325 Min Typ Max EM6325C 155 200 224 EM6325A 0.7 1.6 3.8 EM6325B 19 EM6325D 1240 1600 1792 -0.2V TH (typ) 2 130 255 - - ...

Page 5

Timing Waveforms 0.8V logic "1" MR logic "0" logic "1" RESET logic "0" logic "1" RESET logic "0" Note Maximum Transient Duration. Please refer to figure on the next page. SEN Note 7: ...

Page 6

Typical Operating Characteristics (Typical values are at T =+25°C unless otherwise noted -50 - vs. Temperature DD 200% 175% ...

Page 7

Package Information PIN Copyright © 2005, EM Microelectronic-Marin SA SOT23- SC70- NOTE: A All dimensions are in millimeters Dimensions are inclusive ...

Page 8

PIN Traceability for small packages Due to the limited space on the package surface, the bottom marking contains a limited number of characters that provide only partial information for lot ...

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