Quantcast
Channel: ZeptoBars - RSS feed
Browsing all 244 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

TI LM393 - dual comparator : weekend die-shot

TI LM393 - dual comparator, one of old workhorses of electronics. Die size 704x748 µm.

View Article


Image may be NSFW.
Clik here to view.

TI 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 Article


Image may be NSFW.
Clik here to view.

SiTime 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 Article

Image may be NSFW.
Clik here to view.

Fake 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 Article

Image may be NSFW.
Clik here to view.

Phillips PCF8574 - 8-bit I2C port expander : weekend die-shot

Phillips PCF8574 is 8-bit I2C port expander, 3µm manufacturing technology.

View Article


Image may be NSFW.
Clik here to view.

SkyWorks 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 Article

Image may be NSFW.
Clik here to view.

Toshiba 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 Article

Image may be NSFW.
Clik here to view.

KR580VM80A - 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 Article


Image may be NSFW.
Clik here to view.

Milandr 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 Article


Image may be NSFW.
Clik here to view.

OPA627, 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 Article

Image may be NSFW.
Clik here to view.

KILAR 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 Article

Image may be NSFW.
Clik here to view.

NXP 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 Article

Image may be NSFW.
Clik here to view.

Fairchild 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 Article


Image may be NSFW.
Clik here to view.

Ti 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 Article

Image may be NSFW.
Clik here to view.

Atmel AT90USB162 : weekend die-shot

Atmel AT90USB162 is an 8-bit microcontroller with hardware USB, 16KiB flash and 512B of SRAM/EEPROM.

View Article


Image may be NSFW.
Clik here to view.

74HC4094 - 8-bit shift register : weekend die-shot

74HC4094 is an 8-bit serial-in/parallel-out shift register.

View Article

Image may be NSFW.
Clik here to view.

Analog 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 Article


Image may be NSFW.
Clik here to view.

Espressif 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 Article

Image may be NSFW.
Clik here to view.

NXP 2N7002 N-channel MOSFET : weekend die-shot

Die size 377x377 µm.Hexagonal cells of TrenchMOS transistor has 4µm size.

View Article

Image may be NSFW.
Clik here to view.

OnSemi 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...

View Article
Browsing all 244 articles
Browse latest View live