| 
 | 
 
 | 
| H | 
Hitachi, Motorola, Philips, QT, SGS, Siemens | 
| HA | 
Harris, Hitachi | 
| HADC | 
Honeywell | 
| HAR | 
SGS | 
| HAS | 
AD | 
| HB | 
Hitachi | 
| HB-H | 
Hitachi | 
| HC | 
Harris, Motorola, Philips, SGS | 
| HCF | 
Philips, SGS | 
| HCPL | 
HP, QT | 
| HCR | 
SGS | 
| HCT* | 
TI | 
| HD* | 
Goldstar, Harris, HHSMI, Hitachi | 
| HDAC | 
Honeywell | 
| HDG | 
Hitachi | 
| HDM | 
AD | 
| HDSP | 
HP | 
| HE | 
Hitachi (example: HE98225H CCD* sensor) | 
| HEC | 
Philips | 
| HEED | 
Motorola | 
| HEF | 
Motorola, Philips | 
| HEP | 
Motorola | 
| HFA | 
Harris, IR | 
| HFC | 
Cologne Chip Designs | 
| HFC-S | 
Cologne Chip Designs | 
| HG | 
Hitachi | 
| HGTG | 
Harris | 
| HI | 
Harris | 
| HIN | 
Harris | 
| HIP | 
Harris | 
| HIT | 
Hitachi | 
| HL | 
Hitachi | 
| HLMA-QL | 
HP | 
| HLMP | 
HP | 
| HLMP-P | 
HP | 
| HLMPP | 
HP | 
| HLMPQ | 
HP | 
| HM | 
Harris, Hitachi, MHS, Mitsubishi | 
| HMBV | 
Motorola | 
| HMT | 
MHS | 
| HN | 
Hitachi | 
| HP | 
HP, LORA | 
| HPC* | 
NS (=High Performance Computer) | 
| HPL | 
Harris | 
| HRW | 
Hitachi | 
| HS | 
Harris | 
| HSDL | 
HP | 
| HSM | 
HP | 
| HSMC | 
TI | 
| HSMGC | 
HP | 
| HSMGT | 
HP | 
| HSMH-C | 
HP | 
| HSMHC | 
HP | 
| HSMP | 
HP | 
| HSMS | 
HP | 
| HSMS-C | 
HP | 
| HSMY-C | 
HP | 
| HT | 
Holtek | 
| HTHA | 
Hitachi | 
| HU | 
SGS | 
| HV | 
Harris, Supertex, Motorola, SGS | 
| HVA | 
Hitachi | 
| HVM | 
Hitachi | 
| HVU | 
Hitachi | 
| HY | 
Hyundai, Samsung, Siemens | 
| HYB | 
Hyundai, Siemens | 
| HYM | 
Hyundai | 
| HYU | 
Hyundai | 
| HZ | 
Hitachi, Toshiba | 
| HZM | 
Hitachi | 
| HZT | 
Hitachi |