74HC299 Philips, 74HC299 Datasheet - Page 9

• Manufacturer Part Number: 74HC299
• Description: 8-bit universal shift register 3-state
• Manufacturer: Philips

Philips Semiconductors
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
SYMBOL PARAMETER
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
PHL
PHL
PHL
PZH
PHZ
PLZ
THL
THL
W
W
rem
su
su
h
h
max
8-bit universal shift register; 3-state
/ t
/ t
/ t
/ t
/ t
TLH
TLH
PLH
PLH
PZL
propagation delay
propagation delay
propagation delay
3-state output enable time
3-state output disable time
3-state output disable time
output transition time
output transition time
clock pulse width
master reset pulse width
removal time
set-up time
set-up time
hold time
hold time
maximum clock pulse
r
CP to Q
CP to I/O
MR to Q
OE
OE
OE
bus driver (I/O
standard (Q
HIGH or LOW
LOW
MR to CP
I/O
S
I/O
S
frequency
= t
0
0
, S
, S
f
n
n
n
n
n
= 6 ns; C
, D
, D
to I/O
to I/O
to I/O
1
1
to CP
SR
SR
to CP
0
0
, Q
, D
, D
n
, Q
n
n
n
0
7
SL
SL
7
, Q
L
or I/O
n
= 50 pF
to CP
to CP
)
7
)
n
20
20
10
25
32
0
0
25
min.
22
22
27
19
24
20
5
7
10
11
2
14
18
42
typ.
11
17
25
37
37
46
30
37
32
12
15
max. min. max.
9
T
74HCT
amb
25
25
9
31
40
0
0
20
40 to 85
( C)
46
46
58
38
46
40
15
19
30
30
11
38
48
0
0
17
min.
40 to 125
56
56
69
45
56
48
18
22
max.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT299
Product specification
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
V
TEST CONDITIONS
(V)
CC
WAVEFORMS
Fig.6
Fig.6
Fig.7
Fig.9
Fig.9
Fig.9
Fig.6
Fig.6
Fig.6
Fig.7
Fig.7
Fig.6
Fig.8
Fig.6
Fig.8
Fig.6