JD54LS164BCA National Semiconductor, JD54LS164BCA Datasheet - Page 15

• Manufacturer Part Number: JD54LS164BCA
• Manufacturer: National Semiconductor

Specifications of JD54LS164BCA

• Lead Free Status / Rohs Status: Not Compliant

CLEAR
H
H
H
H
H
H
H
L
H = high level (steady state)
L = low level (steady state)
X = irrelevant (any input, including transitions)
a, b, c, d = the level of steady state input at inputs A, B, C, or D, respectively.
Q
Q
S1
A0
An
= transition from low to high level
X
X
H
H
H
L
L
L
MODE
, Q
, Q
indicated steady state input conditions were established.
recent
B0,
Bn
S0
H
H
H
X
X
L
L
L
, Q
Q
C0,
Cn
CLOCK
, Q
Q
transition of the clock.
L'
X
X
D0
Dn
= level of Q
= the level of Q
Typical clear, load, right-shift, left shift, inhibit, and clear sequences.
LEFT
INPUTS
X
X
X
X
X
H
X
L
SERIAL
A
FIGURE 2. Truth tables and timing diagrams.
, Q
RIGHT
B
A
, Q
H
, Q
X
X
X
X
X
X
L
C
B
, or Q
, Q
C
A
MIL-M-38510/306E
X
X
a
X
X
X
X
X
or Q
D
, respectively, before the
Device type 01
D
, respectively, before the most
PARALLEL
B
X
X
b
X
X
X
X
X
15
C
X
X
X
X
X
X
X
c
D
X
X
d
X
X
X
X
X
Q
Q
Q
Q
Q
H
L
a
L
A0
Bn
Bn
A0
A
Q
Q
Q
Q
Q
Q
OUTPUTS
Q
L
b
B0
An
An
Cn
Cn
B0
B
Q
Q
Q
Q
Q
Q
Q
L
c
C0
Bn
Bn
Dn
Dn
C0
C
Q
Q
Q
Q
Q
H
L
d
L
D0
Cn
Cn
D0
D