JD54LS164BCA National Semiconductor, JD54LS164BCA Datasheet - Page 16

• Manufacturer Part Number: JD54LS164BCA
• Manufacturer: National Semiconductor

Specifications of JD54LS164BCA

• Lead Free Status / Rohs Status: Not Compliant

CLEAR
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
SHIFT/
A0
An
LOAD
= transition from low to high level
, Q
, Q
X
H
H
H
H
H
L
indicated steady state input conditions were established.
recent transition of the clock.
B0,
Bn
, Q
Q
C0,
Cn
CLOCK
, = the level of Q
Q
X
L
D0
= level of Q
FIGURE 2. Truth tables and timing diagrams - Continued.
X
X
X
H
H
L
L
J
INPUTS
SERIAL
A
A
, Q
, Q
Typical clear, shift, and load sequences.
K
H
H
X
X
X
B
L
L
B
, or Q
, Q
C
, or Q
C
, respectively, before the most
A
X
a
X
X
X
X
X
MIL-M-38510/306E
D
, respectively, before the
Device type 02
PARALLEL
B
X
b
X
X
X
X
X
16
C
X
X
X
X
X
X
c
D
X
d
X
X
X
X
X
Q
Q
Q
Q
H
L
a
L
A0
A0
A
An
Q
Q
Q
Q
Q
Q
L
b
B0
A0
An
An
An
B
OUTPUTS
Q
Q
Q
Q
Q
Q
L
c
C0
Bn
Bn
Bn
Bn
C
Q
Q
Q
Q
Q
Q
L
d
D0
Cn
Cn
Cn
Cn
D
Q
Q
Q
Q
Q
Q
H
d
D0
Cn
Cn
Cn
Cn
D