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PC87382 датащи(PDF) 62 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87382
подробное описание детали  LPC-to-LPC Switch for Docking Stations, with Fast Infrared Port, Serial Port and GPIOs
PDF  72 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87382 датащи(HTML) 62 Page - National Semiconductor (TI)

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8.0 Device Characteristics (Continued)
www.national.com
62
Revision1.2
8.3
INTERNAL RESISTORS
DC Test Conditions
Figure 14. Internal Resistor Test Conditions, TA =0°Cto70°C, VSUP = 3.3V
Figure 15. Internal Pull-Down Resistor for Straps, TA =0°Cto70°C, VSUP = 3.3V
Notes for Figures 14 and 15:
1. The equivalent resistance of the pull-up resistor is calculated by RPU = (VSUP − VPIN) / IPU.
2. The equivalent resistance of the pull-down resistor is calculated by RPD = VPIN / IPD.
8.3.1
Pull-Up Resistor
Symbol: PUnn
Symbol
Parameter
Conditions1
1. TA = 0
°C to 70°C, V
SUP = 3.3V.
Min2
2. Not tested. Guaranteed by characterization.
Typical
Max2
Unit
RPU
Pull-up equivalent resistance
VPIN =0V
nn
− 30%
nn
nn + 30%
K
Ω
VPIN = 0.8 VSUP
3
nn
− 38%
K
Ω
VPIN = 0.17 VSUP
3
3. For strap pins only.
nn
− 35%
K
Ω
Device
Under
Test
RPU
Pull-Up Resistor Test Circuit
Pull-Down Resistor Test Circuit
VSUP
Pin
A
IPU
V
VPIN
Device
Under
Test
RPD
VSUP
Pin
A
IPD
V
VPIN
VSUP
Device
Under
Test
RPU
VSUP
Pin
A
IPU
V
VPIN
VSUP
Device
Under
Test
RPU
VSUP
Pin
A
IPU
V
VPIN
10
µA
VPIN < VIL
VPIN > VIH
10
µA
10 K
Ω



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