Version 4
SHEET 1 880 680
WIRE 272 0 272 -32
WIRE 272 0 112 0
WIRE 448 0 272 0
WIRE 112 32 112 0
WIRE 448 32 448 0
WIRE 112 160 112 112
WIRE 112 160 32 160
WIRE 160 160 112 160
WIRE 272 160 240 160
WIRE 336 160 288 160
WIRE 448 160 448 112
WIRE 448 160 416 160
WIRE 512 160 448 160
WIRE 448 208 448 160
WIRE 112 224 112 160
WIRE 272 256 272 160
WIRE 384 256 272 256
WIRE 208 272 176 272
WIRE 288 272 288 160
WIRE 288 272 208 272
WIRE 208 352 208 272
WIRE 208 352 64 352
WIRE 112 432 112 320
WIRE 288 432 112 432
WIRE 448 432 448 304
WIRE 448 432 288 432
WIRE 288 464 288 432
FLAG 288 464 0
FLAG 64 352 set/reset
IOPIN 64 352 In
FLAG 272 -32 5V
FLAG 512 160 Q
IOPIN 512 160 Out
FLAG -16 160 Q`
IOPIN -16 160 Out
SYMBOL res 96 16 R0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 432 16 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 256 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 220K
SYMBOL res 432 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 220K
SYMBOL npn2 384 208 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL npn2 176 224 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
TEXT 280 376 Left 2 ;Latch circuit