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PC87365 датащи(PDF) 206 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87365
подробное описание детали  128-Pin LPC SuperI/O with System Hardware Monitoring
PDF  215 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87365 датащи(HTML) 206 Page - National Semiconductor (TI)

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12.0 Device Characteristics (Continued)
206
www.national.com
12.5 AC ELECTRICAL CHARACTERISTICS
12.5.1
AC Test Conditions
Figure 41. AC Test Conditions, TA =0 °Cto70 °C, VDD = 5.0V ±10%
Notes:
1. CL = 100 pF for all output pins except OPCI, and CL = 50pF for outputs of type OPCI. These values include both 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.
3. For the FDC open-drive interface pins, S1 = VDD and RL = 150Ω.
12.5.2
Clock Timing
.
Symbol
Parameter
48 MHz
Min
Max
Unit
tCH
Clock High Pulse Width1
1. Not tested. Guaranteed by design.
8.4
ns
tCL
Clock Low Pulse Width1
8.4
ns
tCP
Clock Period1
20
21.5
ns
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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