* Z:\home\khalils\Downloads\files\data\raw_asc\0f0533d74d5b_NE5551.asc
* Generated by LTspice 26.0.1 for Windows.
A1 N001 2 1 1 1 1 N003 1 SCHMITT Vt=0 Vh=1m
R1 N001 1 5K
R2 5 N001 5K
R3 8 5 5K
S1 1 7 N012 1 D
A2 N006 N003 1 1 1 1 N004 1 SRFLOP Trise=100n tripdt=10n
A3 6 5 1 1 1 1 N006 1 SCHMITT Vt=0 Vh=1m
S2 8 3 N010 1 O
S3 3 1 1 N010 O
A6 1 N013 1 N004 1 1 N012 1 OR Ref=.5 Vlow=-1 Trise=100n
R7 8 1 4K
R10 6 1 1G
A4 1 N004 1 N013 1 N010 1 1 OR Ref=.5 Vlow=-1 Trise=100n
A5 4 1 1 1 1 N013 1 1 SCHMITT Vt=.7 Vh=1m
I1 8 4 .4m load
D1 4 1 DR
R9 2 1 1G
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model D SW(Ron=6 Roff=.75G Vt=.5 Vh=-.4)
.model O SW(Ron=6 Roff=1Meg Vt=0 Vh=-.8)
.model DR D(Ron=150K Roff=1T Vfwd=1.6)
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1348 680
WIRE -480 -512 -496 -512
WIRE -480 -448 -496 -448
WIRE -480 -336 -496 -336
WIRE -480 -80 -496 -80
WIRE -480 96 -496 96
WIRE -480 128 -496 128
WIRE -480 336 -496 336
WIRE -480 528 -496 528
WIRE -448 336 -480 336
WIRE -448 384 -448 336
WIRE -448 528 -480 528
WIRE -448 528 -448 464
WIRE -416 -336 -480 -336
WIRE -416 -224 -416 -336
WIRE -416 528 -448 528
WIRE -416 528 -416 -144
WIRE -368 -448 -480 -448
WIRE -368 -432 -368 -448
WIRE -368 528 -416 528
WIRE -368 528 -368 -368
WIRE -304 -448 -368 -448
WIRE -304 -432 -304 -448
WIRE -304 -336 -416 -336
WIRE -304 -336 -304 -352
WIRE -304 -224 -304 -336
WIRE -304 128 -480 128
WIRE -304 128 -304 -144
WIRE -304 176 -304 128
WIRE -304 304 -304 256
WIRE -304 400 -304 304
WIRE -304 528 -368 528
WIRE -304 528 -304 480
WIRE -256 304 -304 304
WIRE -208 304 -256 304
WIRE -208 336 -448 336
WIRE -208 528 -304 528
WIRE -208 528 -208 352
WIRE -96 -160 -96 -240
WIRE -96 528 -208 528
WIRE -96 528 -96 -160
WIRE -64 -336 -304 -336
WIRE -64 -160 -96 -160
WIRE -48 -240 -96 -240
WIRE -48 -240 -48 -288
WIRE -48 -208 -48 -240
WIRE 0 -256 0 -288
WIRE 0 -240 0 -256
WIRE 0 -208 0 -240
WIRE 32 96 -480 96
WIRE 32 384 32 96
WIRE 32 528 -96 528
WIRE 32 528 32 464
WIRE 80 -512 -480 -512
WIRE 80 -336 16 -336
WIRE 80 -336 80 -512
WIRE 80 -160 16 -160
WIRE 80 -160 80 -336
WIRE 112 96 32 96
WIRE 112 128 -304 128
WIRE 112 528 32 528
WIRE 112 528 112 144
WIRE 240 304 -144 304
WIRE 240 304 240 144
WIRE 272 96 176 96
WIRE 272 144 240 144
WIRE 320 96 272 96
WIRE 320 144 272 144
WIRE 320 528 112 528
WIRE 320 528 320 176
WIRE 448 -256 0 -256
WIRE 496 528 320 528
WIRE 496 528 496 -240
WIRE 560 -288 512 -288
WIRE 560 96 416 96
WIRE 560 96 560 -288
WIRE 624 -256 512 -256
WIRE 624 64 624 -256
WIRE 688 64 624 64
WIRE 688 96 560 96
WIRE 752 64 688 64
WIRE 752 96 688 96
WIRE 768 528 496 528
WIRE 768 528 768 112
WIRE 864 64 816 64
WIRE 928 -80 -480 -80
WIRE 944 64 864 64
WIRE 944 64 944 -32
WIRE 992 16 992 -32
WIRE 1040 -80 1008 -80
WIRE 1040 16 992 16
WIRE 1040 16 1040 -80
WIRE 1040 528 768 528
WIRE 1040 528 1040 16
WIRE 1072 -256 624 -256
WIRE 1136 528 1040 528
WIRE 1136 528 1136 -240
WIRE 1200 -448 -304 -448
WIRE 1200 -288 1136 -288
WIRE 1200 -288 1200 -448
FLAG -480 528 1
FLAG -480 128 5
FLAG -480 -336 8
FLAG -480 -80 7
FLAG 864 64 N012
FLAG -256 304 N001
FLAG 272 96 N006
FLAG 272 144 N003
FLAG 688 96 N004
FLAG -480 96 6
FLAG -480 -512 3
FLAG 0 -240 N010
FLAG 688 64 N013
FLAG -480 -448 4
FLAG -480 336 2
SYMBOL Digital\\diffschmitt -208 256 R0
WINDOW 3 -35 -11 Left 0
SYMATTR InstName A1
SYMATTR Value Vt=0 Vh=1m
SYMBOL res -320 384 R0
SYMATTR InstName R1
SYMATTR Value 5K
SYMBOL res -320 160 R0
SYMATTR InstName R2
SYMATTR Value 5K
SYMBOL res -320 -240 R0
SYMATTR InstName R3
SYMATTR Value 5K
SYMBOL sw 1024 -80 M270
SYMATTR InstName S1
SYMATTR Value D
SYMBOL Digital\\srflop 368 48 R0
WINDOW 3 -129 -20 Left 0
SYMATTR InstName A2
SYMATTR Value Trise=100n tripdt=10n
SYMBOL Digital\\diffschmitt 112 48 R0
WINDOW 3 -33 -9 Left 0
SYMATTR InstName A3
SYMATTR Value Vt=0 Vh=1m
SYMBOL sw -80 -336 R270
SYMATTR InstName S2
SYMATTR Value O
SYMBOL sw 32 -160 R90
SYMATTR InstName S3
SYMATTR Value O
SYMBOL Digital\\or 784 16 R0
WINDOW 3 -153 -20 Left 0
SYMATTR InstName A6
SYMATTR Value Ref=.5 Vlow=-1 Trise=100n
SYMBOL res -432 -240 R0
SYMATTR InstName R7
SYMATTR Value 4K
SYMBOL res 16 368 R0
SYMATTR InstName R10
SYMATTR Value 1G
SYMBOL Digital\\or 480 -336 M0
WINDOW 3 -153 -20 Left 0
SYMATTR InstName A4
SYMATTR Value Ref=.5 Vlow=-1 Trise=100n
SYMBOL Digital\\diffschmitt 1136 -336 M0
WINDOW 3 -35 -11 Left 0
SYMATTR InstName A5
SYMATTR Value Vt=.7 Vh=1m
SYMBOL current -304 -352 M180
WINDOW 3 52 24 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 50 46 Left 0
SYMATTR InstName I1
SYMATTR Value .4m
SYMATTR SpiceLine load
SYMBOL diode -352 -432 M0
SYMATTR InstName D1
SYMATTR Value DR
SYMBOL res -432 368 M0
SYMATTR InstName R9
SYMATTR Value 1G
TEXT 168 -608 Left 0 !.model D SW(Ron=6 Roff=.75G Vt=.5 Vh=-.4)
TEXT 168 -576 Left 0 !.model O SW(Ron=6 Roff=1Meg Vt=0 Vh=-.8)
TEXT 168 -544 Left 0 !.model DR D(Ron=150K Roff=1T Vfwd=1.6)