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6-9. SYNC CONTROL CIRCUIT
This SYNC control circuit converts SYNC to maintain constant level is always input
regardless whether SYNC is input or not.
For the function, the circuit is composed of chip embedding four exclusive or gate
circuits. Pin 14 is a terminal supplying Vcc for driving chip.
Pin 1, 2, 4, 5, 9, 10, 12 and 13 are SYNC input terminals.
Pin 3, 6, 8 and 11 are output terminals. ( for details, see FUNCTION TABLE. )
※
FUNCTION TABLE
♦
EACH GATE
IN-PUT OUT-PUT
(Pin 1,5,10,12)
(Pin 2,4,9,13)
(Pin 3,6,8.11)
L L L
L H H
H L H
H H L
KORTEK Corporation
KT-XX03NA
