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PC87351 Scheda tecnica(PDF) 75 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte PC87351
Spiegazioni elettronici  PC87351 PC98 and ACPI Compliant SuperI/O with System Wake-Up Control
PDF  86 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87351 Scheda tecnica(HTML) 75 Page - National Semiconductor (TI)

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11.0 Device Characteristics (Continued)
75
www.national.com
11.2 AC ELECTRICAL CHARACTERISTICS
11.2.1
AC Test Conditions
Figure 11-1. AC Test Conditions, TA = 0 °C to 70 °C, VDD = 5.0 V ±10%
Notes:
1. CL = 100 pF, includes jig and scope capacitance.
2. S1 = Open for push-pull output pins.
S1 = VDD for high impedance to active low and active low to high impedance measurements.
S1 = GND for high impedance to active high and active high to high impedance measurements.
RL = 1.0KΩ for µP interface pins.
For the FDC open-drive interface pins, S1 = VDD and RL = 150Ω
11.2.2
Clock Timing
.
1. Not tested. Guaranteed by design.
Symbol
Parameter
48MHz
Min
Max
Unit
tCH
Clock High Pulse Width1
8.4
nsec
tCL
Clock Low Pulse Width1
8.4
nsec
tCP
Clock Period 1
20
21.5
nsec
Device
Under
Test
0.1
µf
Input
Output
RL
CL
S1
Load Circuit (Notes 1, 2, 3)
AC Testing Input, Output Waveform
VDD
2.4
0.4
2.0
0.8
Test Points
2.0
0.8
CLKIN
tCL
tCP
tCH



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