This instrument has been designed to verify the truth Tables of "RS" & "D" Type Flip Flops using NAND Gates, "D" Type, "T" Type, "JK" & "JK Master slave" Flip Flop using TTL Ic's. SPECIFICATIONS: Output voltage (Regulated) : 5V DC (Internally connected) Housed in ABS cabinet, circuit diagram printed, connections of IC,s (7400, 7410,7474, 7476), logic inputs, output indicators, Monoshot clock 1Hz & test points brought out at Glass epoxy (PCB) front panel.