No | Part number | Description ( Function ) | Manufacturers | |
53 | HT1620 | RAM Mapping 32x4 LCD Controller for I/O C HT1620 RAM Mapping 32´4 LCD Controller for I/O mC Features · · · · · · · · · Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3mA at 3V External 32.768kHz crystal oscillator Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz |
Holtek Semiconductor Inc |
|
52 | HT1620 | RAM Mapping 32x4 LCD Controller for I/O C HT1620 RAM Mapping 32´4 LCD Controller for I/O mC Features · · · · · · · · · Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3mA at 3V External 32.768kHz crystal oscillator Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz |
Holtek Semiconductor Inc |
|
51 | HT1620 | RAM Mapping 32x8 LCD Controller for I/O xC HT1620 RAM Mapping 32´4 LCD Controller for I/O mC Features · · · · · · · · · Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3mA at 3V External 32.768kHz crystal oscillator Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz |
Holtek Semiconductor Inc |
|
50 | HT1620 | RAM Mapping 48x8 LCD Controller for I/O C HT1620 RAM Mapping 32´4 LCD Controller for I/O mC Features · · · · · · · · · Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3mA at 3V External 32.768kHz crystal oscillator Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz |
Holtek Semiconductor Inc |
|
49 | HT1620 | RAM Mapping 64x 8 LCD Controller for I/O C HT1620 RAM Mapping 32´4 LCD Controller for I/O mC Features · · · · · · · · · Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3mA at 3V External 32.768kHz crystal oscillator Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz |
Holtek Semiconductor Inc |
|
48 | HT1620 | RAM Mapping 48x16 LCD Controller for I/O C HT1620 RAM Mapping 32´4 LCD Controller for I/O mC Features · · · · · · · · · Logic operating voltage: 2.4V~3.3V LCD voltage: 3.6V~4.9V Low operating current <3mA at 3V External 32.768kHz crystal oscillator Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications Internal time base frequency sources Two selectable buzzer frequencies (2kHz |
Holtek Semiconductor Inc |
List of most widely used semiconductors
Part Number | Function | Manufacturers | |
1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
Vishay |
|
LM317 | This is a popular adjustable voltage regulator. |
ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |