SH3100IMTR SEMTECH [Semtech Corporation], SH3100IMTR Datasheet - Page 51
![no-image](/images/no-image-200.jpg)
SH3100IMTR
Manufacturer Part Number
SH3100IMTR
Description
Supervisory IC with I2C Interface and PWM
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SH3100IMTR.pdf
(80 pages)
- Current page: 51 of 80
- Download datasheet (2Mb)
Digital Input: CLKIN
General-purpose input pad powered from VDD with a Schmitt input stage. Includes diode protection to VDD and GND.
Input switching threshold is approximately VDD/2; however, in order to ensure that no power supply current fl ows
during steady state conditions, the input should settle to within 0.4V of either VDD or GND.
Tri-State/Analog Input: SNSE
Dual mode pad set by fuse mode selection. Includes diode protection to VDD and GND. In Mode 1, the pad is used to
set the duration of the system reset. It is tri-state so it can detect Low, Floating and High inputs. The state of the pad
is sampled during start-up and is then disabled to save power.
In Mode 2, the analog voltage on SNSE is input directly to the general-purpose comparator stage and compared
with the output of the 8-bit DAC. Input voltage should be maintained within 0V and 1.6V.
© 2006 Semtech Corp.
POWER MANAGEMENT
Pad Specifi cations
Parameter
Input Voltage Range
Input Current in Mode 1
Input Current in Mode 2
Mid Level Bias (mode 1)
Logic Low Input (mode 1)
Logic High Input (mode 1)
Input Pin Capacitance
Parameter
Input Hysteresis
V
V
Input Leakage Current
Input Pin Capacitance
IN
IN
High
Low
Symbol
V
C
V
V
V
I
I
DD
MID
IN
IN
IH
IL
IN
0.52 x V
Symbol
V
C
V
V
L
Min
HYS
-30
51
IN
IH
IL
IN
0
REG
VDD - 0.4
Min
100
0.47 x V
Typ
REG
Max
800
0.4
10
10
0.42 x V
Max
V
+30
10
10
REG
Units
mV
nA
pF
V
V
REG
www.semtech.com
Units
μA
nA
pF
V
V
V
V
SH3100
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