Derivatives
Many pin-compatible variants, including CMOS versions, have been built by various companies. Bigger packages also exist with two or four timers on the same chip. The 555 is also known under the following type numbers:
Manufacturer | Model | Remark |
---|---|---|
Avago Technologies | Av-555M | |
Custom Silicon Solutions | CSS555/CSS555C | CMOS from 1.2 V, IDD < 5 µA |
CEMI | ULY7855 | |
ECG Philips | ECG955M | |
Exar | XR-555 | |
Fairchild Semiconductor | NE555/KA555 | |
Harris | HA555 | |
IK Semicon | ILC555 | CMOS from 2 V |
Intersil | SE555/NE555 | |
Intersil | ICM7555 | CMOS |
Lithic Systems | LC555 | |
Maxim | ICM7555 | CMOS from 2 V |
Motorola | MC1455/MC1555 | |
National Semiconductor | LM1455/LM555/LM555C | |
National Semiconductor | LMC555 | CMOS from 1.5 V |
NTE Sylvania | NTE955M | |
Raytheon | RM555/RC555 | |
RCA | CA555/CA555C | |
STMicroelectronics | NE555N/ K3T647 | |
Texas Instruments | SN52555/SN72555 | |
Texas Instruments | TLC555 | CMOS from 2 V |
USSR | K1006ВИ1 | |
Zetex | ZSCT1555 | down to 0.9 V |
NXP Semiconductors | ICM7555 | CMOS |
HFO / East Germany | B555 |
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