PC87351 datasheet(75/86 Pages) NSC

Part #	PC87351

Description	PC87351 PC98 and ACPI Compliant SuperI/O with System Wake-Up Control

PDF	86 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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75 / 86 page

11.0 Device Characteristics (Continued)

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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

21.5

nsec

Device

Under

Test

0.1

µf

Input

Output

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

PC87351 Datasheet(PDF) 75 Page - National Semiconductor (TI)

PC87351 Datasheet(HTML) 75 Page - National Semiconductor (TI)

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