Fairchild NC7SB3257 Logic Symbol Pin Descriptions, Function Table, Connection Diagrams, Pin Names

NC7SB3257

Logic Symbol

Pin Descriptions

Pin Names	Description
A, B0, B1	Data Ports
S	Control Input

Function Table

		Input (S)	Function
		L	B0 Connected to A
		H	B1 Connected to A
H	=	HIGH Logic Level
L =		LOW Logic Level

Connection Diagrams

Pin Assignments for SC70

(Top View)

Pin One Orientation Diagram

AAA = Product Code Top Mark - see ordering code

Note: Orientation of Top Mark determines Pin One location. Read the top product code mark left to right, Pin One is the lower left pin (see diagram).

Pad Assignments for MicroPak

(Top Thru View)

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