ICS83940DI Datasheet, PDF (3/19 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER

ICS83940DI Data Sheet
Function Tables
Table 3A. Clock Select Function Table
Control Input
Clock
CLK_SEL
PCLK, nPCLK
LVCMOS_CLK
0
Selected
De-selected
1
De-selected
Selected
LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS/LVTTL FANOUT BUFFER
Table 3B. Clock Input Function Table
CLK_SEL
0
0
0
0
0
0
1
1
Inputs
LVCMOS_CLK
PCLK
nPCLK
–
0
1
–
1
0
–
0
Biased; NOTE 1
–
1
Biased; NOTE 1
–
Biased; NOTE 1
0
–
Biased; NOTE 1
1
0
–
–
1
–
–
Outputs
Q[0:17]
LOW
HIGH
LOW
HIGH
HIGH
LOW
LOW
HIGH
Input to Output Mode
Differential to Single-Ended
Differential to Single-Ended
Single-Ended to Single-Ended
Single-Ended to Single-Ended
Single-Ended to Single-Ended
Single-Ended to Single-Ended
Single-Ended to Single-Ended
Single-Ended to Single-Ended
NOTE 1: Please refer to the Application Information Section, Wiring the Differential Input to Accept Single-ended Levels.
Polarity
Non-Inverting
Non-Inverting
Non-Inverting
Non-Inverting
Inverting
Inverting
Non-Inverting
Non-Inverting
ICS83940DYI REVISION C MARCH 20, 2013
3
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