
Esp32
gdoor-org/gdoor
Wifi adapter and bus protocol documentation for the Gira TKS Door System

The LM393D is a comparator made by onsemi in a SOIC-8 package with 8 pins. -18V~-1V、1V~18V 0℃~+70℃ 1.3us 2 25nA 2V~36V 300ns 36V 400uA 5mV 5nA ESD protection TTL、CMOS SOIC-8 Comparators ROHS.
PCBKit's library has its KiCad symbol (Comparator:LM393, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 352,302 are in stock at JLCPCB (part C7955). 11 open-source boards in 10 repositories on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Power Supply Voltage VCC | Single supply; split supply rating ±18 V | max 36 V | 2 |
| Input Differential Voltage VIDR | max 36 V | 2 | |
| Input Common Mode Voltage Range (Note 1) VICR | For supply voltages less than 36 V, absolute maximum input voltage equals supply voltage | min -0.3 · max 36 V | 2 |
| Output Voltage VO | max 36 V | 2 | |
| Output Sink Current (Note 2) ISink | max 20 mA | 2 | |
| Power Dissipation @ TA = 25°C PD | TA = 25°C | max 570 mW | 2 |
| Derate above 25°C 1/RJA | Above 25°C | max 5.7 mW/°C | 2 |
| Operating Ambient Temperature Range TA | LM393 | min 0 · max 70 °C | 2 |
| Maximum Operating Junction Temperature TJ(max) | LM393 | max 150 °C | 2 |
| Storage Temperature Range Tstg | min -65 · max 150 °C | 2 | |
| ESD Protection at any Pin (Note 4) VESD | Human Body Model; LM393 | max 1500 V | 2 |
| ESD Protection at any Pin (Note 4) VESD | Machine Model; LM393 | max 150 V | 2 |
| Input Offset Voltage (Note 6) VIO | LM393; VCC = 5.0 Vdc; TA = 25°C; typical and maximum are ± magnitudes | typ 1 · max 5 mV | 3 |
| Input Offset Voltage (Note 6) VIO | LM393; VCC = 5.0 Vdc; Tlow ≤ TA ≤ Thigh; maximum is ± magnitude | max 9 mV | 3 |
| Input Offset Current IIO | LM393; VCC = 5.0 Vdc; TA = 25°C; typical and maximum are ± magnitudes | typ 5 · max 50 nA | 3 |
| Input Offset Current IIO | LM393; VCC = 5.0 Vdc; Tlow ≤ TA ≤ Thigh; maximum is ± magnitude | max 150 nA | 3 |
| Input Bias Current (Note 7) IIB | LM393; VCC = 5.0 Vdc; TA = 25°C | typ 20 · max 250 nA | 3 |
| Input Bias Current (Note 7) IIB | LM393; VCC = 5.0 Vdc; Tlow ≤ TA ≤ Thigh | max 400 nA | 3 |
| Input Common Mode Voltage Range (Note 7) VICR | LM393; VCC = 5.0 Vdc; TA = 25°C; maximum VCC −1.5 V | min 0 V | 3 |
| Input Common Mode Voltage Range (Note 7) VICR | LM393; VCC = 5.0 Vdc; Tlow ≤ TA ≤ Thigh; maximum VCC −2.0 V | min 0 V | 3 |
| Voltage Gain AVOL | LM393; RL ≥ 15 kΩ, VCC = 15 Vdc, TA = 25°C | min 50 · typ 200 V/mV | 3 |
| Large Signal Response Time | LM393; VCC = 5.0 Vdc; Vin = TTL Logic Swing, Vref = 1.4 Vdc; VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C | typ 300 ns | 3 |
| Response Time (Note 9) tTLH | LM393; VCC = 5.0 Vdc; VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C; 100 mV step, 5.0 mV overdrive | typ 1.3 s | 3 |
| Output Sink Current ISink | LM393; VCC = 5.0 Vdc; Vin ≥ 1.0 Vdc, Vin+ = 0 Vdc, VO ≤ 1.5 Vdc TA = 25°C | min 6 · typ 16 mA | 3 |
| Output Saturation Voltage VOL | LM393; VCC = 5.0 Vdc; Vin ≥ 1.0 Vdc, Vin+ = 0, ISink ≤ 4.0 mA, TA = 25°C | typ 150 · max 400 mV | 3 |
| Output Saturation Voltage VOL | LM393; VCC = 5.0 Vdc; Vin ≥ 1.0 Vdc, Vin+ = 0, ISink ≤ 4.0 mA; Tlow ≤ TA ≤ Thigh | max 700 mV | 3 |
| Output Leakage Current IOL | LM393; VCC = 5.0 Vdc; Vin− = 0 V, Vin+ ≥ 1.0 Vdc, VO = 5.0 Vdc, TA = 25°C | typ 0.1 nA | 3 |
| Output Leakage Current IOL | LM393; VCC = 5.0 Vdc; Vin− = 0 V, Vin+ ≥ 1.0 Vdc, VO = 30 Vdc; Tlow ≤ TA ≤ Thigh | max 1000 nA | 3 |
| Supply Current ICC | LM393; VCC = 5.0 Vdc; RL = ∞ Both Comparators, TA = 25°C | typ 0.4 · max 1 mA | 3 |
| Supply Current ICC | LM393; RL = ∞ Both Comparators, VCC = 30 V; Tlow ≤ TA ≤ Thigh | max 2.5 mA | 3 |
| Pin | Name | Type |
|---|---|---|
| 1 | — | Open collector |
| 2 | - | Input |
| 3 | + | Input |
| 4 | V- | Power in |
| 5 | + | Input |
| 6 | - | Input |
| 7 | — | Open collector |
| 8 | V+ | Power in |

gdoor-org/gdoor
Wifi adapter and bus protocol documentation for the Gira TKS Door System

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reljamar/singlePhaseInverter
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edantoni96/NomobotSK
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<iframe src="https://pcbkit.io/embed/parts/onsemi/LM393D" title="LM393D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/LM393D.jpg" alt="LM393D" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/LM393D)Yes. The symbol is Comparator:LM393 and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-8, with 8 pins. Its footprint is drawn on this page.
onsemi publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C7955, with 352,302 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the LM393BID by Texas Instruments, the LM393DT by STMicroelectronics, the LM2903BID by Texas Instruments and the LM293D by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
11 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.