參數(shù)資料
型號: 74F299
廠商: NXP Semiconductors N.V.
英文描述: 8-bit universal shift/storage register(3-State)(8位通用移位/存儲寄存器(三態(tài)))
中文描述: 8位通用移位/存儲寄存器(3態(tài))(8位通用移位/存儲寄存器(三態(tài)))
文件頁數(shù): 7/14頁
文件大小: 120K
代理商: 74F299
Philips Semiconductors
Product specification
74F299
8-bit universal shift/storage register (3-State)
1990 Mar 01
7
AC ELECTRICAL CHARACTERISTICS
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
MAX
MAX
f
MAX
Maximum clock frequency
I/O
Waveform 1
70
100
70
MHz
Qn
85
115
85
MHz
t
PLH
t
PHL
t
PLH
t
PHL
Propagation delay
CP to Q0 or Q7
Waveform 1
4.0
4.5
5.0
6.0
7.5
8.0
3.5
4.5
8.5
8.5
ns
ns
Propagation delay
CP to I/On
Waveform 1
4.0
4.0
6.0
6.5
9.0
9.0
4.0
4.0
10.0
10.0
ns
ns
t
PHL
Propagation delay
MR to Q0 or Q7
Waveform 2
5.5
7.5
9.5
5.5
10.5
ns
t
PHL
Propagation delay
MR to I/On
Waveform 2
5.5
7.5
10.0
5.5
10.5
ns
t
PZH
t
PZL
t
PHZ
t
PLZ
Output Enable time
Sn, OE to I/On
Waveform 4
Waveform 5
3.5
4.0
6.0
7.5
8.0
10.0
3.5
4.0
9.0
11.0
ns
ns
Output Disable time
Sn, OE to I/On
Waveform 4
Waveform 5
2.5
1.5
4.5
2.5
7.0
5.5
2.5
1.5
8.0
6.5
ns
ns
AC SETUP REQUIREMENTS
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
MAX
MAX
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
w
(H)
t
w
(L)
t
w
(L)
t
rec
Setup time, High or Low
S0 or S1 to CP
Waveform 3
6.5
6.5
7.5
7.5
ns
ns
Hold time, High or Low
S0 or S1 to CP
Waveform 3
0
0
0
0
ns
ns
Set-up time, High or Low
I/On, DS
L
or DS
R
to CP
Hold time, High or Low
I/On, DS
L
or DS
R
to CP
Waveform 3
3.5
3.5
4.0
4.0
ns
ns
Waveform 3
0
0
0
0
ns
ns
CP Pulse width, High or Low
Waveform 1
5.0
4.5
5.0
4.5
ns
MR Pulse width, Low
Waveform 2
4.5
4.5
ns
Recovery time, MR to CP
Waveform 2
4.0
4.0
ns
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