* Z:\tmp\asc_dec_bjh7r6w2\0049f7ce53fc_delay_dec1.asc
* Generated by LTspice 26.0.1 for Windows.
C8 V_REF2 N025 1n
D10 N054 N052 BAT54
R48 N019 N027 1
Q9 N057 N056 N059 0 2N3904
R38 VCC N001 0.01
Q14 N042 BIT1 N035 0 2N3906
R8 N034 N036 500
R26 N060 N062 220
D3 N038 N036 BAT54
R45 VCC N011 0.01
Q38 N030 N015 V_REF2 0 2N3906
R40 N006 N007 500
R58 N012 V_REF2 500
Q32 N019 N017 N014 0 2N3906
C3 N058 N064 10p
Q10 N063 N056 N055 0 2N3906
R33 N020 N022 100
Q25 N053 N051 N050 0 2N3906
Q34 N004 N002 N006 0 2N3904
Q16 N036 N038 V_REF2 0 2N3904
Q36 N018 IN N013 0 2N3906
R19 N040 N048 1k
Q17 N041 IN N038 0 2N3906
D5 N033 N032 BAT54
R24 N051 N055 220
R54 N015 N029 500
R39 N010 OUT_simple 100
D13 N006 O2 BAT54
D6 OUT N009 BAT54
R18 NC_01 N047 100
R22 N061 N063 220
Q19 N034 NC_02 N039 0 2N3904
R37 N010 NC_03 100
C4 N045 N044 1n
R42 N001 O2 100
R17 N034 NC_04 100
R28 N049 N052 220
R15 N041 N046 250
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.backanno
.end

* LTspice schematic (.asc):
Version 4.1
SHEET 1 14868 10612
WIRE 4816 -320 4752 -320
WIRE 5040 -320 4896 -320
WIRE 5184 -320 5040 -320
WIRE 5280 -320 5184 -320
WIRE 5280 -272 5280 -320
WIRE 5184 -208 5184 -320
WIRE 4944 -160 4928 -160
WIRE 5120 -160 5008 -160
WIRE 5280 -128 5280 -192
WIRE 5376 -128 5280 -128
WIRE 5456 -128 5376 -128
WIRE 5040 -64 5040 -208
WIRE 5184 -48 5184 -112
WIRE 5280 -48 5280 -128
WIRE 4928 -16 4928 -160
WIRE 4928 -16 4688 -16
WIRE 4976 -16 4928 -16
WIRE 5456 96 5456 -128
WIRE 5184 144 5120 144
WIRE 5280 144 5280 -48
WIRE 5280 144 5248 144
WIRE 5280 192 5280 144
WIRE 5040 240 5040 32
WIRE 5120 240 5120 144
WIRE 5120 240 5040 240
WIRE 5216 240 5120 240
WIRE 5040 304 5040 240
WIRE 4944 432 4864 432
WIRE 5040 432 5040 384
WIRE 5040 432 4944 432
WIRE 5280 432 5280 288
WIRE 5280 432 5040 432
WIRE 4944 512 4944 432
WIRE 3568 576 3568 544
WIRE 3408 624 3056 624
WIRE 3504 624 3408 624
WIRE 3408 720 3408 624
WIRE 3472 720 3408 720
WIRE 3568 720 3568 672
WIRE 3568 720 3536 720
WIRE 4864 720 4688 720
WIRE 5024 720 4864 720
WIRE 5280 720 5024 720
WIRE 5664 720 5600 720
WIRE 5792 720 5744 720
WIRE 5952 720 5792 720
WIRE 7856 720 7264 720
WIRE 5280 768 5280 720
WIRE 7856 768 7856 720
WIRE 5792 800 5792 720
WIRE 4864 848 4864 720
WIRE 5024 848 5024 720
WIRE 3568 912 3568 720
WIRE 3664 912 3568 912
WIRE 3728 912 3664 912
WIRE 5280 912 5280 848
WIRE 5376 912 5280 912
WIRE 5456 912 5376 912
WIRE 7856 928 7856 848
WIRE 7968 928 7856 928
WIRE 8080 928 7968 928
WIRE 5184 992 5120 992
WIRE 5280 992 5280 912
WIRE 7856 1040 7856 928
WIRE 4688 1088 4688 848
WIRE 5120 1088 5120 992
WIRE 5120 1088 4688 1088
WIRE 5952 1088 5952 848
WIRE 6480 1088 5952 1088
WIRE 7792 1088 7264 1088
WIRE 3472 1184 3408 1184
WIRE 3568 1184 3568 912
WIRE 3568 1184 3536 1184
WIRE 4688 1184 4688 1088
WIRE 5104 1184 5024 1184
WIRE 5184 1184 5104 1184
WIRE 5280 1184 5280 1136
WIRE 5280 1184 5184 1184
WIRE 5952 1184 5952 1088
WIRE 3568 1232 3568 1184
WIRE 4448 1232 4368 1232
WIRE 4624 1232 4448 1232
WIRE 5792 1232 5792 880
WIRE 5888 1232 5792 1232
WIRE 3408 1280 3408 1184
WIRE 3408 1280 2896 1280
WIRE 3504 1280 3408 1280
WIRE 4688 1328 4688 1280
WIRE 4864 1328 4864 928
WIRE 4864 1328 4688 1328
WIRE 4688 1344 4688 1328
WIRE 5952 1344 5952 1280
WIRE 7264 1344 7264 1088
WIRE 3568 1360 3568 1328
WIRE 5184 1360 5184 1184
WIRE 5792 1376 5792 1232
WIRE 7104 1376 7104 976
WIRE 3568 1472 3568 1440
WIRE 3568 1472 3056 1472
WIRE 3728 1472 3568 1472
WIRE 4688 1616 4688 1424
WIRE 5024 1616 5024 1424
WIRE 5184 1616 5184 1424
WIRE 5792 1616 5792 1456
WIRE 5952 1616 5952 1424
WIRE 7104 1616 7104 1456
WIRE 7264 1616 7264 1424
WIRE 7856 1616 7856 1136
WIRE 3632 1920 3632 1744
WIRE 3568 1968 3456 1968
WIRE 3456 2096 3456 1968
WIRE 3456 2096 3184 2096
WIRE 3536 2096 3456 2096
WIRE 3632 2096 3632 2016
WIRE 3632 2096 3600 2096
WIRE 6144 2144 5968 2144
WIRE 6304 2144 6144 2144
WIRE 6560 2144 6304 2144
WIRE 6800 2144 6560 2144
WIRE 2080 2160 2080 1952
WIRE 6560 2192 6560 2144
WIRE 1904 2208 1872 2208
WIRE 2016 2208 1904 2208
WIRE 6144 2272 6144 2144
WIRE 6304 2272 6304 2144
WIRE 3632 2304 3632 2096
WIRE 6560 2336 6560 2272
WIRE 6624 2336 6560 2336
WIRE 7072 2336 6704 2336
WIRE 6464 2416 6400 2416
WIRE 6560 2416 6560 2336
WIRE 6560 2416 6528 2416
WIRE 6560 2464 6560 2416
WIRE 5968 2512 5968 2272
WIRE 6400 2512 6400 2416
WIRE 6400 2512 5968 2512
WIRE 6496 2512 6400 2512
WIRE 6800 2592 6800 2144
WIRE 5968 2608 5968 2512
WIRE 6384 2608 6304 2608
WIRE 6480 2608 6384 2608
WIRE 6560 2608 6560 2560
WIRE 6560 2608 6480 2608
WIRE 5728 2656 5648 2656
WIRE 5904 2656 5728 2656
WIRE 6480 2720 6480 2608
WIRE 6800 2736 6800 2688
WIRE 7136 2736 7136 2560
WIRE 7136 2736 7024 2736
WIRE 5968 2752 5968 2704
WIRE 6144 2752 6144 2352
WIRE 6144 2752 5968 2752
WIRE 5968 2768 5968 2752
WIRE 2080 2800 2080 2256
WIRE 2208 2800 2208 2080
WIRE 7136 2816 7136 2736
WIRE 6800 2864 6800 2816
WIRE 6848 2864 6800 2864
WIRE 6960 2864 6912 2864
WIRE 6800 2912 6800 2864
WIRE 5968 3040 5968 2848
WIRE 6304 3040 6304 2848
WIRE 6480 3040 6480 2784
WIRE 6800 3040 6800 2992
WIRE 6800 3040 6480 3040
WIRE 7024 3040 7024 2912
WIRE 7024 3040 6800 3040
WIRE 7136 3040 7136 2896
WIRE 7136 3040 7024 3040
WIRE 4160 3456 3680 3456
WIRE 4320 3456 4160 3456
WIRE 4832 3456 4320 3456
WIRE 4320 3472 4320 3456
WIRE 3440 3616 3440 3456
WIRE 4832 3616 4832 3456
WIRE 2928 3664 2928 3552
WIRE 3280 3664 2928 3664
WIRE 3376 3664 3280 3664
WIRE 4320 3664 4320 3552
WIRE 4672 3664 4320 3664
WIRE 4768 3664 4672 3664
WIRE 2928 3696 2928 3664
WIRE 3280 3760 3280 3664
WIRE 3344 3760 3280 3760
WIRE 3440 3760 3440 3712
WIRE 3440 3760 3408 3760
WIRE 4672 3760 4672 3664
WIRE 4736 3760 4672 3760
WIRE 4832 3760 4832 3712
WIRE 4832 3760 4800 3760
WIRE 2928 3824 2928 3776
WIRE 2864 3872 2624 3872
WIRE 2768 4016 2768 3456
WIRE 4160 4016 4160 3456
WIRE 2624 4064 2624 3872
WIRE 2624 4064 2432 4064
WIRE 2704 4064 2624 4064
WIRE 3440 4064 3440 3760
WIRE 3600 4064 3440 4064
WIRE 3792 4064 3680 4064
WIRE 4016 4064 4016 3872
WIRE 4016 4064 3792 4064
WIRE 4096 4064 4016 4064
WIRE 4832 4112 4832 3760
WIRE 2768 4160 2768 4112
WIRE 4160 4160 4160 4112
WIRE 3792 4224 3792 4064
WIRE 2768 4320 2768 4240
WIRE 3280 4320 2768 4320
WIRE 4160 4320 4160 4240
WIRE 4672 4320 4160 4320
WIRE 2768 4384 2768 4320
WIRE 4160 4384 4160 4320
WIRE 2768 4512 2768 4464
WIRE 2768 4512 2512 4512
WIRE 2928 4512 2928 3920
WIRE 2928 4512 2768 4512
WIRE 3440 4512 2928 4512
WIRE 3792 4512 3792 4288
SYMBOL cap 5168 1360 R0
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL schottky 4800 3776 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D10
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 5936 1328 R0
SYMATTR InstName R48
SYMATTR Value 1
SYMBOL npn 2704 4016 R0
SYMATTR InstName Q9
SYMATTR Value 2N3904
SYMBOL res 4800 -336 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R38
SYMATTR Value 0.01
SYMBOL pnp 2016 2256 M180
SYMATTR InstName Q14
SYMATTR Value 2N3906
SYMBOL res 6544 2176 R0
SYMATTR InstName R8
SYMATTR Value 500
SYMBOL res 4144 4144 R0
SYMATTR InstName R26
SYMATTR Value 220
SYMBOL schottky 6464 2432 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 5648 704 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R45
SYMATTR Value 0.01
SYMBOL pnp 7792 1136 M180
SYMATTR InstName Q38
SYMATTR Value 2N3906
SYMBOL res 5024 288 R0
SYMATTR InstName R40
SYMATTR Value 500
SYMBOL res 7840 752 R0
SYMATTR InstName R58
SYMATTR Value 500
SYMBOL pnp 5888 1280 M180
SYMATTR InstName Q32
SYMATTR Value 2N3906
SYMBOL cap 3776 4224 R0
SYMATTR InstName C3
SYMATTR Value 10p
SYMBOL pnp 2864 3920 M180
SYMATTR InstName Q10
SYMATTR Value 2N3906
SYMBOL res 3552 1344 R0
SYMATTR InstName R33
SYMATTR Value 100
SYMBOL pnp 3376 3712 M180
SYMATTR InstName Q25
SYMATTR Value 2N3906
SYMBOL npn 4976 -64 R0
SYMATTR InstName Q34
SYMATTR Value 2N3904
SYMBOL npn 6496 2464 R0
SYMATTR InstName Q16
SYMATTR Value 2N3904
SYMBOL pnp 4624 1280 M180
SYMATTR InstName Q36
SYMATTR Value 2N3906
SYMBOL res 7120 2800 R0
SYMATTR InstName R19
SYMATTR Value 1k
SYMBOL pnp 5904 2704 M180
SYMATTR InstName Q17
SYMATTR Value 2N3906
SYMBOL schottky 3600 2080 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 2912 3680 R0
SYMATTR InstName R24
SYMATTR Value 220
SYMBOL res 7248 1328 R0
SYMATTR InstName R54
SYMATTR Value 500
SYMBOL res 5264 752 R0
SYMATTR InstName R39
SYMATTR Value 100
SYMBOL schottky 5184 160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D13
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 3536 736 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 6288 2752 R0
SYMATTR InstName R18
SYMATTR Value 100
SYMBOL res 2752 4368 R0
SYMATTR InstName R22
SYMATTR Value 220
SYMBOL npn 6736 2592 R0
SYMATTR InstName Q19
SYMATTR Value 2N3904
SYMBOL res 5008 832 R0
SYMATTR InstName R37
SYMATTR Value 100
SYMBOL cap 6912 2848 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL res 5264 -288 R0
SYMATTR InstName R42
SYMATTR Value 100
SYMBOL res 6288 2256 R0
SYMATTR InstName R17
SYMATTR Value 100
SYMBOL res 4304 3456 R0
SYMATTR InstName R28
SYMATTR Value 220
SYMBOL res 5952 2752 R0
SYMATTR InstName R15
SYMATTR Value 250
FLAG 3664 912 OUT
FLAG 1904 2208 BIT1
FLAG 5376 912 OUT_simple
FLAG 4448 1232 IN
FLAG 5376 -128 O2
FLAG 4752 -320 VCC
FLAG 5600 720 VCC
FLAG 7968 928 V_REF2
FLAG 5728 2656 IN
FLAG 6384 2608 V_REF2
FLAG 5104 1184 V_REF2