參數(shù)資料
型號: MC14024BCL
廠商: MOTOROLA INC
元件分類: 計數(shù)器
英文描述: 4000/14000/40000 SERIES, ASYN NEGATIVE EDGE TRIGGERED 7-BIT UP BINARY COUNTER, CDIP14
封裝: CERAMIC, DIP-14
文件頁數(shù): 3/7頁
文件大?。?/td> 210K
代理商: MC14024BCL
MOTOROLA CMOS LOGIC DATA
MC14024B
102
SWITCHING CHARACTERISTICS* (CL = 50 pF, TA = 25_C)
Characteristic
Symbol
VDD
Min
Typ #
Max
Unit
Output Rise and Fall Time
tTLH, tTHL = (1.5 ns/pF) CL + 25 ns
tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns
tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns
tTLH,
tTHL
5.0
10
15
100
50
40
200
100
80
ns
Propagation Delay Time
Clock to Q1
tPLH, tPHL = (1.7 ns/pF) CL + 295 ns
tPLH, tPHL = (0.66 ns/pF) CL + 117 ns
tPLH, tPHL = (0.5 ns/pF) CL + 85 ns
Clock to Q7
tPLH, tPHL = (1.7 ns/pF) CL + 915 ns
tPLH, tPHL = (0.66 ns/pF) CL + 367 ns
tPLH, tPHL = (0.5 ns/pF) CL + 275 ns
Reset to Qn
tPLH, tPHL = (1.7 ns/pF) CL + 415 ns
tPLH, tPHL = (0.66 ns/pF) CL + 217 ns
tPLH, tPHL = (0.5 ns/pF) CL + 155 ns
tPLH,
tPHL
5.0
10
15
5.0
10
15
5.0
10
15
380
150
110
1000
400
300
500
250
180
600
230
175
2000
750
565
800
400
300
ns
Clock Pulse Width
tWH
5.0
10
15
500
165
125
200
60
40
ns
Reset Pulse Width
tWH
5.0
10
15
600
350
260
375
200
150
ns
Reset Removal Time
trem
5.0
10
15
625
190
145
250
75
50
ns
Clock Input Rise and Fall Time
tTLH, tTHL
5.0
10
15
1.0
8.0
200
s
ms
s
Input Pulse Frequency
fcl
5.0
10
15
2.5
8.0
12
1.0
3.0
4.0
MHz
* The formulas given are for the typical characteristics only at 25
_C.
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
TRUTH TABLE
Clock
Reset
State
0
No Change
0
1
All Outputs Low
1
0
No Change
1
All Outputs Low
0
No Change
1
All Outputs Low
0
Advance One Count
1
All Outputs Low
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