TC74AC299P(2007) View Datasheet(PDF) - Toshiba
Part Name
Description
View to exact match
TC74AC299P Datasheet PDF : 9 Pages
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IEC Logic Symbol
TC74AC299P/F
Truth Table
Mode
CLR
L
Clear L
L
Hold H
Shift H
Right H
Shift H
Left H
Load H
Function
select
S1 S0
H
H
L
X
X
L
L
L
L
H
L
H
H
L
H
L
H
H
Inputs
Outputs Control
CK
G1
G2
(Note) (Note)
X
X
X
L
L
X
L
L
X
L
L
X
L
L
L
L
L
L
L
L
X
X
Serial
SL SR
Inputs/
Outputs
A/QA H/QH
Outputs
QA’ QH’
X
X
Z
Z
L
L
X
X
L
L
L
L
X
X
L
L
L
L
X
X QA0 QH0 QA0 QH0
X
H
H QGn H QGn
X
L
L QGn L QGn
H
X QBn H QBn H
L
X QBn L QBn L
X
X
a
h
a
h
Note: When one or both output controls are high, the eight input/output terminals are in the high-impedance
state; however sequential or clearing of the register is not affected.
Z: High impedance
Qn0: The level of Qn before the indicated steady-state input conditions were established.
Qnn: The level of Qn before the most recent active transition indicated by ↓ or ↑.
a, h: The level of the steady-state inputs A, H, respectively.
X: Don’t care
2
2007-10-01
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