{{tag>collection_unknown vendor_dec type_unknown year_1981 foundry_signetics}}


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

{{:digshadow:signetics:dc011a:pack_top.jpg?300|}}

{{:digshadow:signetics:dc011a:pack_btm.jpg?300|}}

<code>
C2349N 8216Y
SA DC011A
</code>

Unusual paddle:

{{:digshadow:signetics:dc011a:pack1.jpg?300|}}
{{:digshadow:signetics:dc011a:pack2.jpg?300|}}
{{:digshadow:signetics:dc011a:pack3.jpg?300|}}

Paddle wasn't completely dissolved before exposing die: was another steel bit below the copper.  Attempted to protect die from acid using nail polish but mask appears to have been ineffective.  However, some damage is believed to be pre existing: chip was nonfunctional before decap.


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

<code>
X5C2761A
</code>

[[https://siliconpr0n.org/map/signetics/dc011a/mcmaster_mz_mit20x/|MZ @ mit20x]]
    * [[https://siliconpr0n.org/map/signetics/dc011a/single/signetics_dc011a_mcmaster_mz_mit20x.jpg|Single]] ( MB, )