* Z:\home\khalils\Downloads\files\data\raw_asc\0f0a9ed19f0f_ne555.asc
* Generated by LTspice 26.0.1 for Windows.
* Trig
* Gnd
* Ctrl
* Thres
* Rst
* Disc
* Out
* This example schematic is supplied for informational/educational purposes only.
* A transistor level repesentation of a 555 timer.
Q5 N003 N003 8 0 PN
Q24 N004 N004 8 0 PN
Q11 0 N021 N017 0 PN
Q10 N023 N017 N013 0 PN
Q13 0 2 N016 0 PN
Q17 N006 N006 0 0 NP
R11 N020 N019 120
Q9 N013 N004 N001 0 PN
R7 N015 N014 4.7K
Q23 N004 N004 8 0 PN
Q19 N018 N014 0 0 NP
Q22 N009 N009 N018 0 NP
Q7 N002 N002 8 0 PN
Q2 N002 6 N010 0 NP
R12 N007 3 3.9K
Q15 N023 N023 0 0 NP
Q12 N022 N016 N013 0 PN
Q25 N015 N004 8 0 PN
R5 N021 0 5K
R3 8 5 5K
Q16 N008 N006 0 0 NP
Q3 N003 N011 N012 0 NP
R8 8 N005 6.2K
Q26 N024 4 N009 0 PN
R2 8 N001 1K
Q31 8 N005 N007 0 NP
Q1 N002 N010 N012 0 NP
R9 N019 N024 100
Q29 3 N020 0 0 NP
R1 N012 0 10K
Q27 7 N024 0 0 NP
Q6 N006 N003 8 0 PN
Q21 N009 N008 N014 0 NP
Q18 N014 N022 0 0 NP
R4 5 N021 5K
Q32 0 N005 3 0 PN
Q4 N003 5 N011 0 NP
Q8 N008 N002 8 0 PN
R10 N019 0 3.3K
R6 N004 N009 7.5K
Q20 N015 N018 0 0 NP
Q14 N022 N023 0 0 NP
Q30 8 N007 3 0 NP
Q28 N005 N015 N019 0 NP
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.model NP NPN(BF=125 Cje=.5p Cjc=.5p Rb=500)
.model PN LPNP(BF=25 Cje=.3p Cjc=1.5p Rb=250)
.tran 30m
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 3056 1672
WIRE 800 640 800 624
WIRE 800 624 912 624
WIRE 912 624 912 704
WIRE 1040 704 1040 624
WIRE 1040 624 1152 624
WIRE 1152 624 1152 640
WIRE 912 800 912 816
WIRE 912 816 976 816
WIRE 1040 816 1040 800
WIRE 976 816 976 896
WIRE 976 816 1040 816
WIRE 976 976 976 992
WIRE 976 992 928 992
WIRE 1088 448 1216 448
WIRE 1024 384 1152 384
WIRE 1152 384 1152 400
WIRE 864 448 736 448
WIRE 928 400 928 384
WIRE 928 384 800 384
WIRE 800 384 800 400
WIRE 720 448 720 528
WIRE 720 528 800 528
WIRE 800 528 800 496
WIRE 800 528 800 624
WIRE 1152 496 1152 528
WIRE 928 384 928 272
WIRE 1024 272 1024 384
WIRE 1024 400 1024 384
WIRE 1312 272 1312 304
WIRE 1312 496 1312 944
WIRE 1312 384 1312 400
WIRE 848 752 800 752
WIRE 800 752 800 736
WIRE 1152 736 1152 752
WIRE 1152 752 1104 752
WIRE 1456 1024 1504 1024
WIRE 1504 1024 1504 1040
WIRE 1392 976 1392 944
WIRE 1392 944 1312 944
WIRE 1312 944 1232 944
WIRE 1168 1024 1104 1024
WIRE 1104 1024 1104 1040
WIRE 1232 976 1232 944
WIRE 1312 1280 1312 1184
WIRE 1312 1280 1296 1280
WIRE 1312 1184 1392 1184
WIRE 1392 1184 1392 1232
WIRE 1392 1072 1392 1184
WIRE 1232 1232 1232 1152
WIRE 1232 1328 1232 1344
WIRE 1392 1344 1392 1328
WIRE 1104 1136 1104 1344
WIRE 1232 1344 1392 1344
WIRE 1392 1344 1504 1344
WIRE 1504 1344 1504 1136
WIRE 1040 1088 688 1088
WIRE 976 992 976 1344
WIRE 976 1344 1104 1344
WIRE 1104 1344 1232 1344
WIRE 736 448 720 448
WIRE 1216 448 1232 448
WIRE 1232 448 1232 528
WIRE 1232 528 1152 528
WIRE 1152 528 1152 624
WIRE 1568 1088 1600 1088
WIRE 1600 1344 1600 1280
WIRE 1600 304 1600 272
WIRE 1600 736 1600 688
WIRE 1600 1200 1600 1088
WIRE 1600 1088 1600 816
WIRE 1504 1344 1600 1344
WIRE 1376 448 1968 448
WIRE 1216 688 1264 688
WIRE 1600 688 1600 384
WIRE 1264 688 1264 864
WIRE 1264 688 1600 688
WIRE 1264 864 688 864
WIRE 1600 1344 1696 1344
WIRE 1856 1344 1856 960
WIRE 1856 864 1856 800
WIRE 1856 592 928 592
WIRE 928 592 928 496
WIRE 1024 496 1024 560
WIRE 1024 560 1696 560
WIRE 1696 560 1696 832
WIRE 1696 960 1696 1344
WIRE 1696 1344 1856 1344
WIRE 1760 912 1776 912
WIRE 1776 912 1776 832
WIRE 1776 912 1792 912
WIRE 1776 832 1696 832
WIRE 1696 832 1696 864
WIRE 736 688 688 688
WIRE 1232 1152 1968 1152
WIRE 1232 1152 1232 1072
WIRE 1968 800 1856 800
WIRE 1856 800 1856 592
WIRE 2032 848 2032 944
WIRE 2032 1200 2032 1344
WIRE 2112 1088 2032 1088
WIRE 2032 1088 2032 1104
WIRE 2176 1040 2176 1024
WIRE 2176 1024 2240 1024
WIRE 1856 1344 2032 1344
WIRE 2032 1344 2176 1344
WIRE 2304 1344 2304 1072
WIRE 2304 976 2304 944
WIRE 1600 272 1312 272
WIRE 2176 1136 2176 1344
WIRE 2176 1344 2304 1344
WIRE 2176 1024 2176 848
WIRE 2176 752 2176 704
WIRE 2032 704 2032 752
WIRE 2240 800 2256 800
WIRE 2256 800 2256 704
WIRE 2256 704 2176 704
WIRE 2176 704 2032 704
WIRE 2176 384 2048 384
WIRE 2048 384 2048 400
WIRE 2048 496 2048 528
WIRE 2176 400 2176 384
WIRE 1968 448 1968 528
WIRE 1968 528 2048 528
WIRE 2176 496 2176 528
WIRE 1984 448 2112 448
WIRE 2112 448 2240 448
WIRE 1968 448 1984 448
WIRE 2256 448 2240 448
WIRE 2304 400 2304 384
WIRE 2176 384 2304 384
WIRE 2304 384 2304 272
WIRE 2176 640 2176 704
WIRE 2032 944 2064 944
WIRE 2144 944 2304 944
WIRE 2032 944 2032 1088
WIRE 2304 944 2304 496
WIRE 2032 704 1936 704
WIRE 1936 704 1936 1376
WIRE 1936 1376 848 1376
WIRE 848 1376 848 1392
WIRE 848 1552 2416 1552
WIRE 848 1488 848 1552
WIRE 784 1440 688 1440
WIRE 736 1504 688 1504
WIRE 800 1552 848 1552
WIRE 736 1600 736 1632
WIRE 736 1632 928 1632
WIRE 928 1632 928 992
WIRE 928 992 688 992
WIRE 1600 272 2304 272
WIRE 2304 272 2416 272
WIRE 2416 272 2416 320
WIRE 2416 992 2416 1040
WIRE 2416 400 2416 464
WIRE 2416 1504 2416 1552
WIRE 2304 944 2352 944
WIRE 2304 1344 2464 1344
WIRE 2464 1344 2464 1232
WIRE 2464 1152 2464 1040
WIRE 2720 1040 2592 1040
WIRE 2512 1040 2464 1040
WIRE 2416 1040 2416 1424
WIRE 2464 1040 2416 1040
WIRE 2464 1344 2640 1344
WIRE 2784 1344 2784 1088
WIRE 2784 992 2784 784
WIRE 2784 272 2560 272
WIRE 2784 528 2784 272
WIRE 2496 464 2416 464
WIRE 2416 464 2416 880
WIRE 2560 272 2560 416
WIRE 2560 512 2560 576
WIRE 2560 272 2416 272
WIRE 2560 576 2640 576
WIRE 2640 576 2640 624
WIRE 2640 704 2640 784
WIRE 2640 576 2720 576
WIRE 2640 784 2784 784
WIRE 2784 784 2784 624
WIRE 2640 784 2640 832
WIRE 2640 928 2640 1344
WIRE 2576 880 2416 880
WIRE 2416 880 2416 896
WIRE 2640 1344 2784 1344
WIRE 2784 784 2816 784
WIRE 688 1504 640 1504
WIRE 688 992 640 992
WIRE 688 864 640 864
WIRE 688 688 640 688
WIRE 1312 272 1024 272
WIRE 928 272 688 272
WIRE 1024 272 928 272
WIRE 688 272 640 272
WIRE 576 272 400 272
WIRE 576 688 448 688
WIRE 576 992 464 992
WIRE 640 1088 688 1088
WIRE 640 1440 688 1440
WIRE 576 1504 448 1504
WIRE 2816 784 2832 784
WIRE 2896 784 2976 784
WIRE 448 1504 272 1504
WIRE 480 1088 480 1152
WIRE 480 1088 576 1088
WIRE 576 864 352 864
WIRE 400 272 400 304
WIRE 2176 528 2176 560
WIRE 2048 528 2176 528
WIRE 576 1440 560 1440
WIRE 1328 1280 1312 1280
WIRE 448 688 352 688
WIRE 464 992 432 992
WIRE 560 1440 272 1440
WIRE 2976 784 3008 784
WIRE 352 864 336 864
IOPIN 400 304 BiDir
IOPIN 448 688 In
IOPIN 352 864 In
IOPIN 464 992 BiDir
IOPIN 480 1152 In
IOPIN 560 1440 In
IOPIN 448 1504 Out
IOPIN 2976 784 Out
SYMBOL pnp 1456 1072 R180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q10
SYMATTR Value PN
SYMBOL pnp 1568 1136 R180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q11
SYMATTR Value PN
SYMBOL res 2624 608 R0
SYMATTR InstName R12
SYMATTR Value 3.9K
SYMBOL pnp 1168 1072 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q12
SYMATTR Value PN
SYMBOL res 1584 720 R0
SYMATTR InstName R4
SYMATTR Value 5K
SYMBOL npn 1760 864 M0
SYMATTR InstName Q17
SYMATTR Value NP
SYMBOL res 1296 288 R0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL pnp 736 496 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q7
SYMATTR Value PN
SYMBOL res 2608 1024 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R11
SYMATTR Value 120
SYMBOL pnp 2112 496 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q24
SYMATTR Value PN
SYMBOL npn 2240 752 M0
SYMATTR InstName Q22
SYMATTR Value NP
SYMBOL npn 2496 416 R0
SYMATTR InstName Q31
SYMATTR Value NP
SYMBOL npn 1216 640 M0
SYMATTR InstName Q4
SYMATTR Value NP
SYMBOL res 2160 960 M270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R7
SYMATTR Value 4.7K
SYMBOL npn 1792 864 R0
SYMATTR InstName Q16
SYMATTR Value NP
SYMBOL pnp 1040 1136 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q13
SYMATTR Value PN
SYMBOL npn 2720 528 R0
SYMATTR InstName Q30
SYMATTR Value NP
SYMBOL misc\\jumper 608 1376 R0
SYMATTR InstName J4
SYMBOL npn 2352 896 R0
SYMATTR InstName Q28
SYMATTR Value NP
SYMBOL pnp 2240 496 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q25
SYMATTR Value PN
SYMBOL npn 2240 976 R0
SYMATTR InstName Q20
SYMATTR Value NP
SYMBOL npn 2720 992 R0
SYMATTR InstName Q29
SYMATTR Value NP
SYMBOL res 2448 1136 R0
SYMATTR InstName R10
SYMATTR Value 3.3K
SYMBOL npn 1104 704 M0
SYMATTR InstName Q3
SYMATTR Value NP
SYMBOL pnp 1088 496 R180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q6
SYMATTR Value PN
SYMBOL npn 1968 752 R0
SYMATTR InstName Q21
SYMATTR Value NP
SYMBOL pnp 1984 496 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q23
SYMATTR Value PN
SYMBOL npn 800 1504 M0
SYMATTR InstName Q27
SYMATTR Value NP
SYMBOL NPN 848 704 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL npn 1328 1232 R0
SYMATTR InstName Q15
SYMATTR Value NP
SYMBOL npn 2112 1040 R0
SYMATTR InstName Q19
SYMATTR Value NP
SYMBOL misc\\jumper 608 1024 R0
SYMATTR InstName J2
SYMBOL pnp 2576 928 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q32
SYMATTR Value PN
SYMBOL res 2400 1408 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL misc\\jumper 2864 720 R0
SYMATTR InstName J3
SYMBOL pnp 864 496 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q8
SYMATTR Value PN
SYMBOL npn 1968 1104 R0
SYMATTR InstName Q18
SYMATTR Value NP
SYMBOL res 960 880 R0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 1584 1184 R0
SYMATTR InstName R5
SYMATTR Value 5K
SYMBOL res 2400 304 R0
SYMATTR InstName R8
SYMATTR Value 6.2K
SYMBOL res 2160 544 R0
SYMATTR InstName R6
SYMATTR Value 7.5K
SYMBOL misc\\jumper 608 928 R0
SYMATTR InstName J1
SYMBOL misc\\jumper 608 1440 R0
SYMATTR InstName J7
SYMBOL misc\\jumper 608 624 R0
SYMATTR InstName J6
SYMBOL npn 736 640 R0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL pnp 784 1488 M180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q26
SYMATTR Value PN
SYMBOL PNP 1216 496 R180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q5
SYMATTR Value PN
SYMBOL res 1584 288 R0
SYMATTR InstName R3
SYMATTR Value 5K
SYMBOL pnp 1376 496 R180
WINDOW 0 60 64 Left 0
WINDOW 3 64 32 Left 0
SYMATTR InstName Q9
SYMATTR Value PN
SYMBOL MISC\\JUMPER 608 208 R0
SYMATTR InstName J8
SYMBOL misc\\jumper 608 800 R0
SYMATTR InstName J5
SYMBOL npn 1296 1232 M0
SYMATTR InstName Q14
SYMATTR Value NP
FLAG 432 992 GND
FLAG 688 1504 7
FLAG 688 1440 4
FLAG 688 1088 2
FLAG 688 992 1
FLAG 688 864 5
FLAG 688 688 6
FLAG 688 272 8
FLAG 2816 784 3
FLAG 400 304 Vcc
FLAG 448 688 Thres
FLAG 352 864 Ctrl
FLAG 464 992 Gnd
FLAG 480 1152 Trig
FLAG 560 1440 Rst
FLAG 448 1504 Disc
FLAG 2976 784 Out
TEXT 472 1072 Left 0 ;Trig
TEXT 496 976 Left 0 ;Gnd
TEXT 496 848 Left 0 ;Ctrl
TEXT 488 672 Left 0 ;Thres
TEXT 496 1424 Left 0 ;Rst
TEXT 480 1488 Left 0 ;Disc
TEXT 2904 768 Left 0 ;Out
TEXT 1160 1432 Left 0 !.model NP NPN(BF=125 Cje=.5p Cjc=.5p Rb=500)\n.model PN LPNP(BF=25 Cje=.3p Cjc=1.5p Rb=250)
TEXT 1280 1592 Left 0 !.tran 30m
TEXT 992 1656 Left 0 ;This example schematic is supplied for informational/educational purposes only.
TEXT 1248 240 Left 0 ;A transistor level repesentation of a 555 timer.