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PC87366 Scheda tecnica(PDF) 232 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte PC87366
Spiegazioni elettronici  128-Pin LPC SuperI/O with System Hardware Monitoring, MIDI and Game Ports
PDF  240 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87366 Scheda tecnica(HTML) 232 Page - National Semiconductor (TI)

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14.0 Device Characteristics (Continued)
232
www.national.com
14.5 AC ELECTRICAL CHARACTERISTICS
14.5.1
AC Test Conditions
Figure 49. AC Test Conditions, TA =0 °Cto70 °C, VDD = 5.0 V ±10%
Notes:
1. CL = 100 pF for all output except OPCI, and CL= 50pF for outputs of type OPCI, this 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.
3. For the FDC open-drive interface pins, S1 = VDD and RL = 150Ω.
14.5.2
Clock Timing
.
Symbol
Parameter
48 MHz
Min
Max
Unit
tCH
Clock High Pulse WidthNote 1.
Note 1. Not tested. Guaranteed by design.
8.4
ns
tCL
Clock Low Pulse WidthNote 1.
8.4
ns
tCP
Clock Period Note 1.
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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