{{tag>collection_infosecdj vendor_hitachi type_memory_dram year_1985 foundry_unknown}}

This is HM4864AP, a 64Kx1 fast page DRAM unit in CMOS apparently.

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

{{:infosecdj:hitachi:hm4864ap:pack_top.jpeg?300|}}

<code>
W.GERMANY 8523
(Hitachi logo) HM4864AP-12
X1102TT
</code>

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

Die size approx. 7.0x3.5mm

<code>
4864AX
</code>

{{https://siliconpr0n.org/map/hitachi/hm4864ap/single/hitachi_hm4864ap_infosecdj_mz_nikon20x.thumb.jpg}}

[[https://siliconpr0n.org/map/hitachi/hm4864ap/infosecdj_mz_nikon20x/|mz_nikon20x]]

  * [[https://siliconpr0n.org/map/hitachi/hm4864ap/single/hitachi_hm4864ap_infosecdj_mz_nikon20x.jpg|Single]] (35081x17645, 202.404MiB)