Sharp HT-CN150DVW, Руководство по обслуживанию

Страница: 96 / 123

HT-CN150DVW
96
IC206/IC207 Octal D-TYPE Flip-Flop with 3-STATE Outputs (74F374)
Pin Description:
Truth Table:
Logic Diagram:
Pin Names Description
U.L.
Input I
IH
/I
IL
HIGH/LOW
Output I
OH
/I
OL
D
0
–D
7
Data Inputs 1.0/1.0 20
µ
A/-0.6 mA
CP Clock Pulse Input (Active Rising Edge) 1.0/1.0 20
µ
A/-0.6 mA
OE 3-STATE Output Enable Input (Active LOW) 1.0/1.0 20
µ
A/-0.6 mA
O
0
–O
7
3-STATE Outputs 150/40 (33.3) -3 mA/24 mA (20 mA)
H =ı
=ı
=ı
=ı
=ı
HIGH Voltage Level
L ı LOW Voltage Level
X ı Immaterial
Z ı High Impedance
ı LOW-to-HIGH Clock Transition
Inputs Internal Output
D
n
CP OE Register
O
n
H L H H
L L L L
X X H X Z
D5 D4 D3 D2 D1 D0
O0
D6 D7
O5 O4 O3 O2 O1 O6 O7
CP
CP
OE
D
Q Q
CP D
Q Q
CP D
Q Q
CP D
Q Q
CP D
Q Q
CP D
Q Q
CP D
Q Q
CP D
Q Q
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate
propagation delays.