STMicroelectronics
| LS1240 |
ELECTRONIC TWO - TONE RINGER |
|
STMicroelectronics
| LS1240AD1 |
ELECTRONIC TWO - TONE RINGER |
Unisonic Technologies
| LS1240A |
ELECTRONIC TONE RINGER |
Fairchild (now onsemi)
| DM74ALS1240A |
Octal 3-STATE Bus Driver |
|
Fairchild (now onsemi)
| LS1240 |
Octal 3-STATE Bus Driver |
|
STMicroelectronics
| LS1240A |
ELECTRONIC TWO - TONE RINGER |
Wing Shing Computer Components
| LS1240A |
Electronic Two-Tone Ringer |
TGS
| LS1240ACP |
Single-Chip Electronic Ringer |
|
Wing Shing Computer Components
| LS1240 |
Electronic Two-Tone Ringer |
|
Wing Shing Computer Components
| LS1240AD1 |
Electronic Two-Tone Ringer |
