Datasheet

HCF4094B
2/13
IINPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
FUNCTIONAL DIAGRAM
TRUTH TABLE
X : Don’t Care
OC : Open Circuit
* At the positive clock edge information on the 7th shift register stage is transferred to the 8th register stage and the Q
S
output.
PIN N° SYMBOL NAME AND FUNCTION
2 DATA Data Input
1 STROBE Strobe Input
3 CLOCK Clock Input
9, 10
Q
S
,Q’
S
Serial Outputs
4, 5, 6, 7, 14,
13, 12, 11
Q1 to Q8
Parallel Outputs
15
OUTPUT
ENABLE
Output Enable Input
8
V
SS
Negative Supply Voltage
16
V
DD
Positive Supply Voltage
CLOCK
OUTPUTS
ENABLE
STROBE DATA
PARALLEL OUTPUTS SERIAL OUTPUTS
Q
1
Q
n
Q*
S
Q’
S
L X X OC OC Q7 No Change
L X X OC OC No Change Q7
H L X No Change No Change Q7 No Change
HHL L
Q
n
-1
Q7 No Change
HHHH
Q
n
-1
Q7 No Change
H H H No Change No Change No Change Q7