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参数资料
| 型号： | 11C91DM |
| 英文描述： | Prescaler/Frequency Divider |
| 中文描述： | 分频器/分频器 |
| 文件页数： | 3/10页 |
| 文件大小： | 156K |
| 代理商： | 11C91DM |
Absolute Maximum Ratings
Above which the useful life may be impaired
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Storage Temperature
b
65 Cto a150 C
Maximum Junction Temperature (TJ)
a
150 C
Supply Voltage Range
b
70V to GND
Input Voltage (DC)
VEE to GND
Output Current (DC Output HIGH)
b
50 mA
Operating Range
b
57V to b47V
Lead Temperature
(Soldering 10 sec)
300 C
Recommended Operating
Conditions
Min
Typ
Max
Ambient Temperature (TA)
Commercial
0 C
a
75 C
Military
b
55 C
a
125 C
Supply Voltage (VEE)
Commercial
b
57V
b
52V
b
47V
Military
b
57V
b
52V
b
47V
TTL InputOutput Operation
DC Electrical Characteristics
Over Operating Temperature and Voltage Range unless otherwise noted Pins 12 and 13 e GND
Symbol
Parameter
Min
Typ
Max
Units
Conditions
(Note 3)
VIH
Input HIGH Voltage
41
V
Guaranteed Input HIGH Threshold
M1 and M2 Inputs
Voltage (Note 4) VCC e VCCA e 50V
VIL
Input LOW Voltage
33
V
Guaranteed Input LOW Threshold
M1 and M2 Inputs
Voltage (Note 4) VCC e VCCA e 50V
VOH
Output HIGH Voltage
23
33
V
VCC e VCCA e Min
QTTL Output
IOH eb640 mA
VOL
Output LOW Voltage
02
05
V
VCC e VCCA e Min
QTTL Output
IOL e 200 mA
IIL
Input LOW Current
b
23
b
50
mA
VCC e VCCA e Max
M1 and M2 Inputs
VIN e 04V Pins 6 7 e VCC
ISC
Output Short Circuit
b
20
b
35
b
80
mA
VCC e VCCA e Max
Current
VOUT e 00V Pin 14 e VCC
AC Electrical Characteristics
VCC e VCCA e 50V Nominal VEE e GND TA ea25 C
Symbol
Parameter
Min
Typ
Max
Units
Conditions
tPLH
Propagation Delay (50% to 50%)
610
14
ns
See
Figure 1
tPHL
CP to QTTL
tPLH
Propagation Delay (50% to 50%)
12
17
ns
MS to QTTL
ts
Mode Control Setup Time
4
2
ns
th
Mode Control Hold Time
0
b
2ns
tTLH
Output Rise Time
10
ns
(20% to 80%)
tTHL
Output Fall Time
2ns
(80% to 20%)
fMAX
Count Frequency
550
650
MHz
b
55 Cto a125 C
600
650
0 Cto a75 C
Clock Input AC Coupled
350 mV Peak-to-Peak
Sinewave (Note 5)
2
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