| No. |
Part Name |
Description |
Manufacturer |
| 211 |
R1221N39XC-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 212 |
R1221N39XD-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 213 |
R1221N39XE-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 214 |
R1221N39XF-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 215 |
R1221N39XG-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz |
Ricoh |
| 216 |
R1221N39XH-TR |
Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz |
Ricoh |
| 217 |
SN74121N3 |
Monostable multivibrator with Schmitt-trigger inputs |
Texas Instruments |
| 218 |
SN74F521N3 |
Octal binary and BCD identity comparators with enable |
Texas Instruments |
| 219 |
SN74LS21N3 |
Dual 4-input positive-AND gates |
Texas Instruments |
| 220 |
SN74LS221N3 |
Dual monostable multivibrators with Schmitt-trigger inputs |
Texas Instruments |
| 221 |
SN74LS321N3 |
CRYSTAL-CONTROLLED OSCILLATOR |
Texas Instruments |
| | | |
