SH3100IMTR SEMTECH [Semtech Corporation], SH3100IMTR Datasheet - Page 52
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: 52 of 80
- Download datasheet (2Mb)
Asymmetric Drive Digital Output: NRST
Asymmetric digital output pad with hard pull-down and weak pull-up. This is used to provide the active low reset output
to the microcontroller. The weak pull-up is implemented as a resistance to VDD and allows the NRST pin to be pulled
low if required by an external device. Includes diode protection to VDD and GND.
© 2006 Semtech Corp.
Dual Supply Digital Output: CLK0 & CLK1
Digital output pad able to drive clock outputs at up to 33.5MHz powered from either the VDD or VBAK supplies.
Includes diode protection to GND.
POWER MANAGEMENT
Pad Specifi cations
Note: VDD may be either VDD or VBAK depending on supply
selected. VDD is always VBAK when driving out 32.768 kHz in
battery backup mode.
Parameter
Rout High (Weak pull-up to VDD)
Vout Low (VDD > 3.3 V, Iol = 4 mA)
Vout Low (VDD < 1.7 V, Iol = 1 mA)
Pad rise time (20 pF load)
Pad fall time (20 pF load)
Parameter
V
V
V
V
Pad Rise time (10 pF load, 10 – 90%)
Pad Rall time (10 pF load, 10 – 90%)
OUT
OUT
OUT
OUT
High (Vdd > 3.3V, Ioh = 4mA)
Low (Vdd > 3.3V, Iol = 4mA)
High (Vdd > 1.7V, Ioh = 1mA)
Low (Vdd > 1.7V, Iol = 1mA)
(continued)
Symbol
V
V
R
T
T
OL1
OL2
OH
Symbol
r
52
f
V
V
V
V
T
T
OH1
OH2
OL1
OL2
r
f
Min
17
0
0
Vdd – 0.25
Vdd – 0.4
Min
0
0
Typ
300
20
Max
0.25
Vdd
Vdd
0.4
15
15
Max
0.4
0.2
23
15
Units
ns
ns
V
V
V
V
www.semtech.com
Units
kΩ
ns
ns
SH3100
V
V
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