| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| BF556C | N-channel silicon junction field-effect transistors | Philips-Semiconductors | SOT23 | - | - | - | 100 K |
| LM556CM | Dual Timer | distributor | SOIC NARROW(MCM) | 14 | - | - | 216 K |
| LM556CMX | Dual Timer | distributor | SOIC NARROW(MCM) | 14 | - | - | 216 K |
| LM556CN | Dual Timer | distributor | MDIP(MCM) | 14 | - | - | 216 K |
| TLC556CD | DUAL LINCMOS(TM) TIMER | Texas-Instruments | D | 14 | - | - | 236 K |
| TLC556CDR | DUAL LINCMOS(TM) TIMER | Texas-Instruments | D | 14 | - | - | 236 K |
| TLC556CN | DUAL LINCMOS(TM) TIMER | Texas-Instruments | N | 14 | - | - | 236 K |
| TLC556CN | DUAL LINCMOS(TM) TIMER | Texas-Instruments | N | 14 | - | - | 236 K |
| TS556C | LOW POWER DUAL CMOS TIMER | SGS-Thomson-Microelectronics | - | - | - | - | 98 K |
| TS556CD | LOW POWER DUAL CMOS TIMER | SGS-Thomson-Microelectronics | - | - | - | - | 98 K |
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