HCS166D INTERSIL [Intersil Corporation], HCS166D Datasheet - Page 2

• Manufacturer Part Number: HCS166D
• Description: Radiation Hardened 8-Bit Parallel-Input/Serial Output Shift Register
• Manufacturer: INTERSIL [Intersil Corporation]

Functional Diagram
H = High Level
L = Low Level
X = Immaterial
MASTER
RESET
H
H
H
H
H
L
= Transition from low to high level
PE
MR
CP
CE
DS
PARALLEL
ENABLE
X
X
H
H
X
L
D0
ENABLE
CLOCK
X
H
L
L
L
L
D1
INPUTS
a . . . h = The level of steady state input at inputs D0 thru D7, respectively.
Q00, Q10, Q70 = The level of Q0, Q1, or Q7, respectively, before the indicated steady
Q0n, Q6n = the level of Q0 or Q6, respectively, before the most recent transition of the
CLOCK
D2
X
L
HCS166MS
clock.
TRUTH TABLE
D3
SERIAL
251
state input conditions were established.
X
X
X
H
X
L
D4
PARALLEL
D0 - D7
a . . . h
X
X
X
X
X
D5
INTERNAL Q STATES
Q00
Q00
Q7
H
L
a
L
D6
Q0 Q1
Spec Number
Q10
Q0n
Q0n
Q10
D7
L
b
OUTPUT
Q6n
Q6n
Q70
Q7
Q0
518758
L
h