| Manufacturer | Part Number | Description |
|---|---|---|
Aeroflex Circuit Technology |
UT54ACTS190 | Synchronous 4-Bit Up-Down BCD Counters |
Intersil (now Renesas) |
HCTS190MS | Radiation Hardened Synchronous 4-Bit Up/Down Counter |
IXYS (now Littelfuse) |
TS190 | Multifunction Telecom Switch |
IXYS (now Littelfuse) |
TS190L | Multifunction Telecom Switch |
| TS1900 | Ultra Low Quiescent Current Smart Load Switch | |
Clare (now Littelfuse) |
TS190L | Multifunction Telecom Switch |
Clare (now Littelfuse) |
TS190 | Multifunction Telecom Switch |