{{tag>collection_az vendor_ad year_2002 type_analog type_analog/audio foundry_unknown tech_unknown}}

"AD1981B:  AC'97 SoundMAX® Codec"

Looks like 3-metal planarized CMOS around the 350 - 500 nm node. Minimum observed M1 half-pitch in analog logic is 750 nm, digital may be smaller.

====== Package ======

FIXME

====== Die ======

Size is approximately 2730 x 3140 μm (8.57 mm<sup>2</sup>)

Map: [[http://siliconpr0n.org/map/ad/ad1981b/mz_neo10x/]]

{{:azonenberg:analog:ad1981b:ad1981b_bf_neo10x_3k.jpg?600|}}

Random analog logic

{{:azonenberg:analog:ad1981b:ad1981b_25_bf_neo40x_annotated.jpg?600|}}

Die label

{{:azonenberg:analog:ad1981b:ad1981b_26_bf_neo40x_annotated.jpg?600|}}

Random area of chip, focal plane on M3

{{:azonenberg:analog:ad1981b:ad1981b_27_bf_neo40x_annotated.jpg?600|}}

Same area, focal plane on M1

{{:azonenberg:analog:ad1981b:ad1981b_28_bf_neo40x_annotated.jpg?600|}}