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Part Name
Description
HD74HC299FPEL View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
HD74HC299FPEL
8-bit Universal Shift/Storage Register (with 3-state outputs)
Renesas Electronics
HD74HC299FPEL Datasheet PDF : 9 Pages
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HD74HC299
Test Circuit
V
CC
V
CC
G
1
Output
Input
Pulse Generator
G
2
G
A/Q
A
S
1
to H/Q
H
Z
out
= 50
Ω
S
0
Output
1 k
Ω
S1
C
L
=
50 pF
OPEN
GND
V
CC
Input
Pulse Generator
Z
out
= 50
Ω
S
R
Clock
SL
Clear
Q
A
'
Output C
L
=
50 pF
Q
H
'
C
L
=
50 pF
TEST
t
PLH
/ t
PHL
t
ZH
/ t
HZ
t
ZL
/ t
LZ
S1
OPEN
GND
V
CC
Note : 1. C
L
includes probe and jig capacitance.
Waveforms
•
Waveform – 1
Clock
Clear
50 %
t
f
t
r
90 %
50 %
t
h
t
rem
10 %
90 %
50 %
t
su
S
R
or S
L
50 %
50 %
t
su
S
0
or S
1
50 %
50 %
Q
A
', Q
H
'
QA, QH
t
PLH
, t
PHL
90 %
50 %
10 %
t
TLH,
t
THL
t
PHL
, t
PLH
90 %
50 %
10 %
t
THL,
t
TLH
Note : 1. Input pulse : PRR
≤
1 MHz, Zo = 50
Ω
, t
r
≤
6 ns, t
f
≤
6 ns
V
CC
0V
V
CC
50 %
0V
V
CC
0V
V
CC
t
PHL
50 %
0V
V
OH
V
OL
Rev.2.00 Jan 31, 2006 page 6 of 8
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