74F199 Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
Список матч
74F199 Datasheet PDF : 8 Pages
| |||
Philips Semiconductors FAST Products
8-bit parallel-access shift register
Product specification
74F199
LOGIC SYMBOL
IEEE/IEC SYMBOL
3 5 7 9 16 18 20 22
D0 D1 D2 D3 D4 D5 D6 D7
23
PE
2
J
1
K
13
CP
11
CE
14
MR
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
VCC = Pin 24
GND = Pin 12
4 6 8 10 15 17 19 21
SF00153
SRG8
11
1
13
1 & C2/→
23
C3
14
R
2
2J
1
2K
3
2, 3D
5
2, 3D
7
9
16
18
20
22
4
6
8
10
15
17
19
21
SF00154
FUNCTION TABLE
INPUTS
MR CP CE PE
J
OUTPUTS
K
Dn Q0 Q1
…
Q6 Q7
OPERATING MODES
L
X
X
X
X
X
X
L
L
…
L
L
Reset (clear
H
↑
l
h
h
h
X
H
q0
…
q5
q6
Shift, set First stage
H
↑
l
h
l
l
X
L
q0
…
q5
q6
Shift, reset First stage
H
↑
l
h
h
l
X
q0
q0
…
q5
q6
Shift, toggle First stage
H
↑
l
h
l
h
X
q0
q0
…
q5
q6
Shift, retain First stage
H
↑
l
l
X
X
dn
d0
d1
…
d6
d7
Parallel load
H
H
=
h
=
L
=
l
=
X
=
↑
=
dn(qn) =
↑
h
X
X
X
X
q0
q1
…
q6
q7
Hold (do nothing)
High voltage level
High voltage level one setup time prior to the Low-to-High clock transition
Low voltage level
Low voltage level one setup time prior t the Low-to-High clock transition
Don’t care
Low-to-High clock transition
Lower case letters indicate the state of the referenced input (or output) one setup time prior to the Low-to-High clock transition
June 15, 1988
2
Share Link: 