TI LM393 - dual comparator : weekend die-shot
TI LM393 - dual comparator, one of old workhorses of electronics. Die size 704x748 µm.
View ArticleTI TL431 adjustable shunt regulator : weekend die-shot
TI TL431 in an adjustable shunt regulator often used in linear supplies with external power transistor.Die size 1011x1013 µm.
View ArticleSiTime SiT8008 - MEMS oscillator : weekend die-shot
SiTime SiT8008 is a programmable MEMS oscillator reaching quartz precision but with higher reliability and lower g-sensitivity. Also SiTime is one of companies who received investments from Rosnano -...
View ArticleFake audiophile opamps: OPA627 (AD744?!)
Walking around ebay I noticed insanely cheap OPA627's. It's rather old, popular and high-quality opamps, often used in audiophile gear. Manufacturer (Texas Instruments / Burr Brown) sells them 16-80$...
View ArticlePhillips PCF8574 - 8-bit I2C port expander : weekend die-shot
Phillips PCF8574 is 8-bit I2C port expander, 3µm manufacturing technology.
View ArticleSkyWorks AAT4292 - 7-bit high-side IO expander: weekend die-shot
SkyWorks AAT4292 is a 7-bit IO expander with 100mA 1.1Ω high-side switches per channel.Die size 1193x618 µm. After metallization etch:
View ArticleToshiba TCD1201D - linear CCD : weekend die-shot
Toshiba TCD1201D is a monochrome 2048-pixel linear CCD. You can also notice few extra pixels for calibration shielded with aluminum.Die size 34814x802 µm. With this die we've reached JPEG limits, full...
View ArticleKR580VM80A - getting ready for reverse engineering : weekend die-shot
We decided to take a closer look at the most popular soviet processor KR580VM80A (first shoot), so that group of enthusiasts (russian only) would be able to recover schematic from it's layout. A bit...
View ArticleMilandr 1986VE21 : weekend die-shot
Milandr 1986VE21 - is a microcontroller for 3-phase electricity meters. Rare example of purely civilian Russian microchip which was not funded by any government agency.
View ArticleOPA627, genuine one this time : weekend die-shot
Last time we decapped 2 fake OPA627's from ebay: one was remarked AD744 part, another was unidentified remarked BB part. Recently reader sent us one more OPA627 from ebay. This chip appeared to be...
View ArticleKILAR KV1084 5A linear regulator : weekend die-shot
Remember good old times when you could feed CPU from single linear regulator? KILAR KV1084 came from this time. Comparing to LM2940L or LM1117 there are more bonding pads per signal and obviously...
View ArticleNXP PCA9570 - 4-bit IO expander : weekend die-shot
NXP PCA9570 is an I²C 4-bit IO expander, although there are 4 unused pads on the die: probably 8-bit version uses the same die. 800nm technology.Die size 589x600 µm. After (terrible) metal etch - we...
View ArticleFairchild NC7SZ57 - universal 2-input gate : weekend die-shot
Fairchild NC7SZ57 (and 58) - are universal 2-input shmitt gates, which let us implement various 2-input logic functions by wiring pins in different ways. Die size 416x362 µm, which is the smallest...
View ArticleTi CC1100 (formerly Chipcon) : weekend die-shot
Ti CC1100 is a radio transceiver for 300-348 MHz, 400-464 MHz and 800-928 MHz ranges. Apparently there are 30 initials of the people, involved in the design of this chip mentioned at the lower right...
View ArticleAtmel AT90USB162 : weekend die-shot
Atmel AT90USB162 is an 8-bit microcontroller with hardware USB, 16KiB flash and 512B of SRAM/EEPROM.
View Article74HC4094 - 8-bit shift register : weekend die-shot
74HC4094 is an 8-bit serial-in/parallel-out shift register.
View ArticleAnalog Devices AD558 - MIL-Spec 8-bit I²L DAC : weekend die-shot
Analog Devices AD558 is an 8-bit I²L DAC in ceramic package (MIL spec). It is still an open question how this chip got into ex-USSR/Russia - anonymous reader left no comments on that (this smells like...
View ArticleEspressif ESP8266 WiFi-serial interface : weekend die-shot
Since August of 2014 internet is literally blown by WiFi-serial modules on new ESP8266 chip which are currently being sold for less than 4$. Chinese company Espressif managed to cram entire WiFi,...
View ArticleNXP 2N7002 N-channel MOSFET : weekend die-shot
Die size 377x377 µm.Hexagonal cells of TrenchMOS transistor has 4µm size.
View ArticleOnSemi MMBT2222A - npn BJT transistor : weekend die-shot
Die size 343x343 µm. Comparing to NXP BC847B die area is 1.5 larger (0.118 vs 0.076mm²), but maximum continuous collector current is 6 times higher (600mA vs 100mA, SOT-23 in both cases). This huge...
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