Version 4
SHEET 1 884 680
WIRE -224 96 -240 96
WIRE 96 96 -144 96
WIRE 640 96 320 96
WIRE 640 112 640 96
WIRE 96 176 64 176
WIRE 384 176 320 176
WIRE 528 176 384 176
WIRE 384 192 384 176
WIRE 528 192 528 176
WIRE 640 208 640 192
WIRE 0 256 -16 256
WIRE 96 256 80 256
WIRE 336 256 320 256
WIRE 336 288 336 256
WIRE 384 288 384 272
WIRE 384 288 336 288
WIRE 528 288 528 272
WIRE 384 304 384 288
WIRE 384 400 384 384
FLAG -240 96 0
FLAG 528 288 0
FLAG 640 96 OUT
FLAG 64 176 0
FLAG -16 256 0
FLAG 384 400 0
FLAG 640 208 0
SYMBOL res 96 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 121K
SYMBOL res 368 176 R0
SYMATTR InstName R2
SYMATTR Value 1000K
SYMBOL res 368 288 R0
SYMATTR InstName R3
SYMATTR Value 392K
SYMBOL res 624 96 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL voltage 528 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -128 96 R90
WINDOW 123 74 56 VTop 2
WINDOW 39 53 56 VTop 2
WINDOW 3 32 56 VTop 2
WINDOW 0 -32 56 VBottom 2
SYMATTR Value PULSE(0 3.3 0.1m 1n 1n 1m 8m 3)
SYMATTR InstName V2
SYMBOL SpecialFunctions\\LTC6993-4 208 176 R0
SYMATTR InstName U1
TEXT 512 368 Left 2 !.tran 50m startup
TEXT 200 56 Bottom 2 ;LTC6993-4 Retriggerable 10ms One Shot\nFalling Edge Triggered, Positive Output Pulse\nStartup Modeled