ICS8305I Datasheet, PDF (3/16 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-4, MULTIPLEXED DIFFERENTIAL/LVCMOS-TO-LVCMOS/LVTTL FANOUT BUFFER

ICS8305I
LOW SKEW, 1-TO-4, MULTIPLEXED DIFFERENTIAL/
LVCMOS-TO-LVCMOS/LVTTL FANOUT BUFFER
TABLE 3A. CONTROL INPUT FUNCTION TABLE
Inputs
Outputs
OE
CLK_EN
CLK_SEL
Selected Source
Q0:Q3
1
0
0
LVCMOS_CLK
Disabled; LOW
1
0
1
CLK, nCLK
Disabled; LOW
1
1
0
LVCMOS_CLK
Enabled
1
1
1
CLK, nCLK
Enabled
0
X
X
HiZ
NOTE: After CLK_EN switches, the clock outputs are disabled or enabled following a rising and falling input clock edge
as shown in Figure 1.
nCLK
CLK,
LVCMOS_CLK
CLK_EN
Disabled
Enabled
Q0:Q3
FIGURE 1. CLK_EN TIMING DIAGRAM
8305AGI
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3
REV. B SEPTEMBER 17, 2012