Used By

Subcells Used

Notes

Chip output selector: selects either the logical-0 or logical-1 wires from the dual-rail encoded internal data bus. Data inputs come from the bottom and outputs appear at the top (all in metal 2).

Two big inverters (inv16's) buffer the select-zero (selzero) driven from input pad 19.

Key

	metal 2
	metal 1
	polysilicon
	via or contact
	N+
	P+
	N well