July 13, 2019
July 7, 2019
June 23, 2019
June 16, 2019

Harris CD4098BE - dual monostable multivibrator : weekend die-shot

Die size 2421x1939 µm. Harris Semiconductor was acquired by Texas Instruments.


June 12, 2019

Raytheon RC4558N - general-purpose opamp : weekend die-shot

Raytheon RC4558N is a dual general-purpose opamp similar to μA741 with a slight taste of freedom. Packaged in plastic DIP.
Die size 1123x1094 µm.


May 21, 2019

LM747CN - dual general purpose opamp : weekend die-shot

This dual opamp LM747CN had datecode 8852. Manufacturer is unclear. While some 747 designs mention that "two amplifiers share a common bias network" - here we see 2 independent identical mirrored opamps.
Die size 1545x987 µm.