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參數(shù)資料
| 型號： | RS-170 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Programmable Video Sync Generator |
| 中文描述： | 可編程視頻同步發(fā)生器 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 340K |
| 代理商： | RS-170 |
AC Electrical Characteristics
LM1882
T
A
= +25C
C
L
= 50 pF
54ACT/LM1882
T
A
= 55C
to +125C
C
L
= 50 pF
Min
130
LM1882
T
A
= 40C
to +85C
C
L
= 50 pF
Min
150
V
CC
(V)
Symbol
Parameter
Units
Min
170
Typ
190
Max
Max
Max
f
MAXI
Interlaced f
MAX
(HMAX/2 is ODD)
Non-Interlaced f
MAX
(HMAX/2 is EVEN)
Clock to Any Output
5.0
MHz
f
MAX
5.0
190
220
145
175
MHz
t
PLH1
t
PHL1
t
PLH2
t
PHL2
t
PLH3
5.0
4.0
13.0
15.5
3.5
19.5
3.5
18.5
ns
Clock to ODDEVEN
(Scan Mode)
Load to Outputs
5.0
4.5
15.0
17.0
3.5
22.0
3.5
20.5
ns
5.0
4.0
11.5
16.0
3.0
20.0
3.0
19.5
ns
AC Operating Requirements
LM1882
T
A
= +25C
54ACT/LM1882
T
A
= 55C
to +125C
Guaranteed Minimums
LM1882
T
A
= 40C
to +85C
Symbol
Parameter
V
CC
(V)
Units
Typ
Control Setup Time
ADDR/DATA to LOAD
L/HBYTE to LOAD
Data Setup Time
D7–D0 to LOAD+
Control Hold Time
LOAD to ADDR/DATA
LOAD to L/HBYTE
Data Hold Time
LOAD+ to D7–D0
LOAD+ to CLK (Note 4)
Load Pulse Width
LOW
HIGH
CLR Pulse Width HIGH
CLOCK Pulse Width
(HIGH or LOW)
t
sc
t
sc
5.0
3.0
3.0
4.0
4.0
4.5
4.5
4.5
4.5
ns
ns
t
sd
5.0
2.0
4.0
4.5
4.5
ns
t
hc
5.0
0
0
1.0
1.0
1.0
1.0
1.0
1.0
ns
ns
t
hd
t
rec
5.0
5.0
1.0
5.5
2.0
7.0
2.0
8.0
2.0
8.0
ns
ns
t
wld
t
wld+
t
wclr
t
wck
5.0
5.0
5.0
5.0
3.0
3.0
5.5
2.5
5.5
5.0
6.5
3.0
5.5
7.5
9.5
4.0
5.5
7.5
9.5
3.5
ns
ns
ns
ns
Note 4:
Removal of Vectored Reset or Restart to Clock.
Capacitance
Symbol
C
IN
C
PD
Parameter
Typ
7.0
17.0
Units
pF
pF
Conditions
V
CC
= 5.0V
V
CC
= 5.0V
Input Capacitance
Power Dissipation
Capacitance
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