Atmel ATmega8 : Weekend die-shot

ATmega8 - one of the most popular 8-bit microcontrollers.

Die size - 2855x2795µm, technology node 500nm.

STM32F100C4T6B : Weekend die-shot

STM32F100C4T6B - is the smallest microcontroller made by STMicroelectronics based on ARM Cortex-M3 core.

Die size - 2854x3123µm.

AVR ATtiny13a : Weekend die-shot

ATtiny13A - one of the smallest Atmel's microcontrollers: only 1kb of flash and 32 bytes of SRAM. Die size though appeared to be unexpectedly big (1620x1640 µm).

500nm technology node.

NXP 74AHC00 : Weekend die-shot

What is the simplest possible microchip? Probably it's 7400 - quad 2-input NAND gate. We made a die shot of NXP's 74AHC00 (AHC means "fast" CMOS). This is a nice example that 'old' tech nodes (1µm and older) are still in use. Also, note how many spare via are there for improved yield.

Die size - 944x854 µm.

KR580IK80A : Weekend die-shot

KR580IK80A (later renamed to KR580VM80A) - one of the most widespread soviet processors. Contrary to popular belief, it appeared to be not an Intel 8080A (or 8080) clone, but a code-compatible redesign (while several parts are quite similar, routing is different as well as pad placement).

Thinnest lines are 6µm.

MIFARE : Weekend die-shot

This weekend we teared down few MIFARE-based tickets from Moscow's metro. While plastic antenna does have Sitronics logo, chip itself appears to be made by NXP, not Mikron as we expected. Die size - 640x620 µm.