ICS8535-21 Ver la hoja de datos (PDF) - Integrated Circuit Systems

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ICS8535-21

LOW SKEW, 1-TO-2 LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER

Integrated Circuit Systems 

Integrated

Circuit

Systems, Inc.

ICS8535-21

LOW SKEW, 1-TO-2

LVCMOS/LVTTL-TO-3.3V LVPECL FANOUT BUFFER

TABLE 3A. CONTROL INPUT FUNCTION TABLE

Inputs

Outputs

CLK_EN

CLK_SEL

Selected Source

Q0, Q1

nQ0, nQ1

0

0

CLK0

Disabled; LOW

Disabled; HIGH

0

1

CLK1

Disabled; LOW

Disabled; HIGH

1

0

CLK0

Enabled

Enabled

1

1

CLK1

Enabled

Enabled

After CLK_EN switches, the clock outputs are disabled or enabled following a rising and falling input clock edge

as show in Figure 1.

In the active mode, the state of the outputs are a function of the CLK0 and CLK1 inputs as described in Table 3B.

CLK0, CLK1

CLK_EN

Disabled

Enabled

nQ0, nQ1

Q0, Q1

FIGURE 1. CLK_EN TIMING DIAGRAM

TABLE 3B. CLOCK INPUT FUNCTION TABLE

Inputs

CLK0 or CLK1

0

1

Q0, Q1

LOW

HIGH

Outputs

nQ0, nQ1

HIGH

LOW

8535AG-21

www.icst.com/products/hiperclocks.html

3

REV. A OCTOBER 20, 2004

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