Heathkit IO-4550 - Page 48

INTEGRATED HEATH MAY BE DESCRIPTION
CIRCUITS PART NUMBER REPLACED BY
DUAL 4-INPUT
-
POSITIVE-NAND
1€207 443-44 SN7413N SCHMITT
TRIGGERS
1c209, 1€210 : SN7408N
QUADRUPLE
2-INPUT
POSITIVE-AND
GATES
LEAD CONFIGURATION
(TOP VIEW)
NC 1Y
1c 610
oY
GND
GND