* Z:\tmp\asc_dec_bjh7r6w2\0049f7ce53fc_delay_dec2.asc
* Generated by LTspice 26.0.1 for Windows.
R35 VCC N010 0.01
Q29 OUTd1 N061 N059 0 2N3906
D7 N068 N062 BAT54
R51 N011 N015 1
Q15 OUT_NN N033 N031 0 2N3906
R47 N011 N017 500
C7 N004 N003 100p
R21 N066 N068 220
R9 N030 N032 520
R12 OUT_NN N049 100
R16 N034 N047 250
R52 VCC N012 0.01
Q4 N031 N037 N039 0 2N3904
C5 V_REF2 N053 1n
R11 N033 N038 100
Q31 N015 N017 V_REF 0 2N3904
R56 N014 N028 10k
Q12 N048 N045 N044 0 2N3906
R6 N031 N033 100
R41 N002 N006 500
Q2 N020 N019 N024 0 2N3904
D2 N042 N038 BAT54
R55 N012 N014 10k
Q3 N038 N042 N048 0 2N3904
Q26 OUTd1 N069 N071 0 2N3904
R20 N042 N048 220
D8 N062 N060 BAT54
D4 N041 N040 BAT54
Q37 N013 N014 N018 0 2N3904
R30 VCC N058 0.01
VCC VCC 0 {VCC}
D1 N019 N020 BAT54
R46 V_REF N027 500
Q27 N058 N063 N067 0 2N3904
R27 N069 N071 220
Q20 NC_01 N051 N055 0 2N3904
R36 N010 N022 250
Q35 N005 N004 N002 0 2N3906
C1 OUT_NN N009 50p
R50 N021 N025 10k
.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 5040 -288 5040 -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 5040 -64 5040 -208
WIRE 5184 -48 5184 -112
WIRE 5280 -48 5280 -128
WIRE 5280 -48 5184 -48
WIRE 4928 -16 4928 -160
WIRE 4928 -16 4688 -16
WIRE 4976 -16 4928 -16
WIRE -288 80 -304 80
WIRE -272 80 -288 80
WIRE -144 80 -160 80
WIRE -128 80 -144 80
WIRE 5280 144 5280 -48
WIRE -304 208 -304 80
WIRE -160 208 -160 80
WIRE 5040 240 5040 32
WIRE -304 480 -304 272
WIRE -160 480 -160 272
WIRE 4400 720 4336 720
WIRE 4688 720 4480 720
WIRE 4864 720 4688 720
WIRE 5024 720 4864 720
WIRE 5280 720 5024 720
WIRE 5792 720 5744 720
WIRE 5952 720 5792 720
WIRE 6544 720 5952 720
WIRE 6976 720 6912 720
WIRE 7104 720 7056 720
WIRE 7264 720 7104 720
WIRE 7856 720 7264 720
WIRE 4688 768 4688 720
WIRE 5952 768 5952 720
WIRE 6544 768 6544 720
WIRE 7264 768 7264 720
WIRE 5792 800 5792 720
WIRE 7104 800 7104 720
WIRE 4864 848 4864 720
WIRE 5024 848 5024 720
WIRE -752 912 -752 880
WIRE 7264 928 7264 848
WIRE 7104 976 7104 880
WIRE 7200 976 7104 976
WIRE -752 1008 -752 992
WIRE 6544 1040 6544 848
WIRE 4688 1088 4688 848
WIRE 5952 1088 5952 848
WIRE 6480 1088 5952 1088
WIRE 7264 1088 7264 1024
WIRE 7792 1088 7264 1088
WIRE 3472 1184 3408 1184
WIRE 3568 1184 3568 912
WIRE 3568 1184 3536 1184
WIRE 5952 1184 5952 1088
WIRE 3568 1232 3568 1184
WIRE 5792 1232 5792 880
WIRE 5888 1232 5792 1232
WIRE 6544 1232 6544 1136
WIRE 6656 1232 6544 1232
WIRE 6768 1232 6656 1232
WIRE 3408 1280 3408 1184
WIRE 3408 1280 2896 1280
WIRE 3504 1280 3408 1280
WIRE 4864 1328 4864 928
WIRE 5952 1344 5952 1280
WIRE 6544 1344 6544 1232
WIRE 7264 1344 7264 1088
WIRE 3568 1360 3568 1328
WIRE 5792 1376 5792 1232
WIRE 7104 1376 7104 976
WIRE 5792 1616 5792 1456
WIRE 5952 1616 5952 1424
WIRE 6544 1616 6544 1424
WIRE 7104 1616 7104 1456
WIRE 7264 1616 7264 1424
WIRE 2208 1744 1920 1744
WIRE 2448 1744 2208 1744
WIRE 3184 1744 2896 1744
WIRE 3632 1744 3184 1744
WIRE 2208 1776 2208 1744
WIRE 2208 1904 2208 1856
WIRE 2672 1904 2208 1904
WIRE 3632 1920 3632 1744
WIRE 3184 1936 3184 1744
WIRE 2208 1952 2208 1904
WIRE 2208 1952 2080 1952
WIRE 3568 1968 3456 1968
WIRE 2208 1984 2208 1952
WIRE 3184 2096 3184 2016
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 3184 2128 3184 2096
WIRE 5968 2144 5760 2144
WIRE 6144 2144 5968 2144
WIRE 6304 2144 6144 2144
WIRE 6560 2144 6304 2144
WIRE 2080 2160 2080 1952
WIRE 5968 2192 5968 2144
WIRE 6144 2272 6144 2144
WIRE 6304 2272 6304 2144
WIRE 7136 2288 7136 2144
WIRE 2896 2304 2896 1744
WIRE 3632 2304 3632 2096
WIRE 3712 2304 3632 2304
WIRE 3808 2304 3712 2304
WIRE 7072 2336 6704 2336
WIRE 2832 2352 2448 2352
WIRE 3184 2400 3184 2208
WIRE 3344 2400 3184 2400
WIRE 2736 2432 2736 1952
WIRE 2896 2432 2896 2400
WIRE 2896 2432 2736 2432
WIRE 7040 2432 6976 2432
WIRE 7136 2432 7136 2384
WIRE 7136 2432 7104 2432
WIRE 2896 2448 2896 2432
WIRE 3088 2512 3024 2512
WIRE 3184 2512 3184 2400
WIRE 3184 2512 3152 2512
WIRE 3632 2512 3632 2304
WIRE 5968 2512 5968 2272
WIRE 3184 2560 3184 2512
WIRE 7136 2560 7136 2432
WIRE 7312 2560 7136 2560
WIRE 2320 2592 2320 2384
WIRE 2896 2608 2896 2528
WIRE 3024 2608 3024 2512
WIRE 3024 2608 2896 2608
WIRE 3120 2608 3024 2608
WIRE 6384 2608 6304 2608
WIRE 6480 2608 6384 2608
WIRE 6560 2608 6560 2560
WIRE 6560 2608 6480 2608
WIRE 2256 2640 1904 2640
WIRE 2896 2672 2896 2608
WIRE 6480 2720 6480 2608
WIRE 6800 2736 6800 2688
WIRE 7136 2736 7136 2560
WIRE 7136 2736 7024 2736
WIRE 6144 2752 6144 2352
WIRE 2080 2800 2080 2256
WIRE 2080 2800 1968 2800
WIRE 2208 2800 2208 2080
WIRE 2208 2800 2080 2800
WIRE 2320 2800 2320 2688
WIRE 2320 2800 2208 2800
WIRE 2448 2800 2448 2512
WIRE 2448 2800 2320 2800
WIRE 2896 2800 2896 2752
WIRE 2896 2800 2448 2800
WIRE 3184 2800 3184 2656
WIRE 3184 2800 2896 2800
WIRE 3632 2800 3632 2592
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 6304 3040 6304 2848
WIRE 6480 3040 6480 2784
WIRE 6800 3040 6800 2992
WIRE 7024 3040 7024 2912
WIRE 7136 3040 7136 2896
WIRE 3440 3456 2928 3456
WIRE 3600 3456 3536 3456
WIRE 4160 3456 3680 3456
WIRE 3440 3616 3440 3456
WIRE 4832 3616 4832 3456
WIRE 3280 3664 2928 3664
WIRE 3376 3664 3280 3664
WIRE 4672 3664 4320 3664
WIRE 4768 3664 4672 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 4256 3872 4016 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 4016 4064 4016 3872
WIRE 4016 4064 3792 4064
WIRE 4096 4064 4016 4064
WIRE 4832 4112 4832 3760
WIRE 4928 4112 4832 4112
WIRE 4992 4112 4928 4112
WIRE 2768 4160 2768 4112
WIRE 4160 4160 4160 4112
WIRE 3344 4224 3280 4224
WIRE 3440 4224 3440 4064
WIRE 3440 4224 3408 4224
WIRE 4736 4224 4672 4224
WIRE 4832 4224 4832 4112
WIRE 4832 4224 4800 4224
WIRE 3440 4272 3440 4224
WIRE 4832 4272 4832 4224
WIRE 2768 4320 2768 4240
WIRE 3280 4320 3280 4224
WIRE 3280 4320 2768 4320
WIRE 3376 4320 3280 4320
WIRE 4160 4320 4160 4240
WIRE 4672 4320 4672 4224
WIRE 4672 4320 4160 4320
WIRE 4768 4320 4672 4320
WIRE 2768 4384 2768 4320
WIRE 4160 4384 4160 4320
WIRE 3440 4512 3440 4368
WIRE 4160 4512 4160 4464
WIRE 4160 4512 3792 4512
WIRE 4320 4512 4320 3920
WIRE 4320 4512 4160 4512
WIRE 4832 4512 4832 4368
WIRE 4832 4512 4320 4512
SYMBOL res 4384 704 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R35
SYMATTR Value 0.01
SYMBOL pnp 4768 3712 M180
SYMATTR InstName Q29
SYMATTR Value 2N3906
SYMBOL schottky 3344 4240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D7
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 6528 752 R0
SYMATTR InstName R51
SYMATTR Value 1
SYMBOL pnp 3568 2016 M180
SYMATTR InstName Q15
SYMATTR Value 2N3906
SYMBOL res 5936 752 R0
SYMATTR InstName R47
SYMATTR Value 500
SYMBOL cap 5008 -176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 100p
SYMBOL res 2752 4144 R0
SYMATTR InstName R21
SYMATTR Value 220
SYMBOL res 2192 1760 R0
SYMATTR InstName R9
SYMATTR Value 520
SYMBOL res 3616 2496 R0
SYMATTR InstName R12
SYMATTR Value 100
SYMBOL res 6128 2256 R0
SYMATTR InstName R16
SYMATTR Value 250
SYMBOL res 6960 704 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R52
SYMATTR Value 0.01
SYMBOL npn 2832 2304 R0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL cap 6464 2720 R0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL res 3168 2112 R0
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL npn 6480 1040 R0
SYMATTR InstName Q31
SYMATTR Value 2N3904
SYMBOL res 7088 1360 R0
SYMATTR InstName R56
SYMATTR Value 10k
SYMBOL pnp 2256 2688 M180
SYMATTR InstName Q12
SYMATTR Value 2N3906
SYMBOL res 3168 1920 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL res 5024 -304 R0
SYMATTR InstName R41
SYMATTR Value 500
SYMBOL npn 3504 1232 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL schottky 3088 2528 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 7088 784 R0
SYMATTR InstName R55
SYMATTR Value 10k
SYMBOL npn 3120 2560 R0
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL npn 4768 4272 R0
SYMATTR InstName Q26
SYMATTR Value 2N3904
SYMBOL res 2880 2656 R0
SYMATTR InstName R20
SYMATTR Value 220
SYMBOL schottky 3408 3776 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D8
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 7104 2448 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL npn 7200 928 R0
SYMATTR InstName Q37
SYMATTR Value 2N3904
SYMBOL res 3584 3440 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 0.01
SYMBOL voltage -752 896 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VCC
SYMATTR Value {VCC}
SYMBOL schottky 3472 1200 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 6528 1328 R0
SYMATTR InstName R46
SYMATTR Value 500
SYMBOL npn 4096 4016 R0
SYMATTR InstName Q27
SYMATTR Value 2N3904
SYMBOL res 4144 4368 R0
SYMATTR InstName R27
SYMATTR Value 220
SYMBOL npn 6960 2816 R0
SYMATTR InstName Q20
SYMATTR Value 2N3904
SYMBOL res 4848 832 R0
SYMATTR InstName R36
SYMATTR Value 250
SYMBOL pnp 5120 -112 M180
SYMATTR InstName Q35
SYMATTR Value 2N3906
SYMBOL cap -176 208 R0
SYMATTR InstName C1
SYMATTR Value 50p
SYMBOL res 5776 1360 R0
SYMATTR InstName R50
SYMATTR Value 10k
FLAG -752 1008 0
FLAG -752 880 VCC
FLAG -288 80 OUT
FLAG 3712 2304 OUT_NN
FLAG -144 80 OUT_NN
FLAG 4928 4112 OUTd1
FLAG 3536 3456 VCC
FLAG 4336 720 VCC
FLAG 6656 1232 V_REF
FLAG 6912 720 VCC
FLAG 6384 2608 V_REF2