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educ 8 timing — EDUC-8 recreation by Gwyllym Suter | Open App Note

EDUC8

ibm2030

EDUC-8 recreation by Gwyllym Suter

Components (22)

Reference	Value	Description
Q1	BC548
U1	74LS20
U2,U7-U10,U13,U16,U18,U21	74LS00
U3,U15,U17,U20	74LS04
U4,U19	74LS10
U5	74LS161
U6	74LS13
U11	74154
U12,U14	74LS73
C1	220pF
C2	47uF
C3-C10	100nF
H1,H2	Card_handle
J1	32-way-pcb-edge-Educ-8-connectors
J2	CLK
J3	~RST
J4	Conn_01x03_Male
R1,R6,R7	2k2
R2	470R
R3	10k
R4	2K2
R5	100K

EDUC8 schematic

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EDUC8 board