PC87360 datasheet(160/168 Pages) NSC

tên linh kiện	PC87360

Giải thích chi tiết về linh kiện	128-Pin LPC SuperI/O with Protection and Extensive GPIO Support

PDF	168 Pages

Scroll/Zoom	100%

nhà sản xuất	NSC [National Semiconductor (TI)]

Trang chủ	http://www.national.com

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10.0 Device Characteristics (Continued)

160

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10.4 AC ELECTRICAL CHARACTERISTICS

10.4.1

AC Test Conditions

Figure 29. 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.

10.4.2

Clock Timing

Symbol

Parameter

48 MHz

Min

Max

Unit

tCH

Clock High Pulse WidthNote 1.

Note 1. Not tested. Guaranteed by design.

8.4

tCL

Clock Low Pulse WidthNote 1.

8.4

tCP

Clock Period Note 1.

21.5

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

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