HCF40107B_02 Datasheet, PDF (7/11 Pages) STMicroelectronics – DUAL 2-INPUT NAND BUFFER/DRIVER

Motor-controller Circuit
Led Driver Circuit
HCF40107B
A
B
L
L
H
L
H
H
L
H
H
H
TEST CIRCUIT
MOTOR FUNCTION
OFF
COUNTER CLOCKWISE
AS PREVIOUS STATE
CLOCKWISE
AS PREVIOUS STATE
INHIBIT
L
H
L
L
ENABLE
L
L
H
H
OUTPUT
OFF
OFF
OFF
ON
C_L = 50pF or equivalent (includes jig and probe capacitance)
R_L = 200KΩ
R_T = Z_OUT of pulse generator (typically 50Ω)
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