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参数资料
| 型号： | MM54C90W/883 |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 计数器 |
| 英文描述： | CMOS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, CDFP14 |
| 文件页数： | 5/6页 |
| 文件大小： | 14K |
| 代理商： | MM54C90W/883 |
MNMM54C90-X REV 1A0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS:(Continued)
SYMBOL
PARAMETER
CONDITIONS
NOTES
PIN-
NAME
MIN
MAX
UNIT
SUB-
GROUPS
Vil
Logical "0" Input
Voltage
Vcc = 5V
1
1.5
V
1, 2,
3
Vcc = 10V
1
2
V
1, 2,
3
Vcc = 4.5V (CMOS to LP)
1
0.8
V
1, 2,
3
Pd
Power Dissipation
Vcc = 15V
1
225
uW
1, 2,
3
AC PARAMETERS: PROPAGATION DELAY TIME:
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC:
Cl = 50pF or equivalent impedance provided by diode load.
tPHL/tPLH
AIN to QA
Vcc = 5V
3
400
nS
9
3
560
nS
10
3
320
nS
11
Vcc = 10V
2
150
nS
9
2
210
nS
10
2
120
nS
11
tPHL/tPLH
AIN to QB
Vcc = 5V
3
800
nS
9
3
1120
nS
10
3
640
nS
11
Vcc = 10V
2
350
nS
9
2
490
nS
10
2
280
nS
11
tPHL/tPLH
AIN to QC
Vcc = 5V
3
1000
nS
9
3
1400
nS
10
3
800
nS
11
Vcc = 10V
2
400
nS
9
2
560
nS
10
2
320
nS
11
5
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