參數(shù)資料
型號： 933372730653
廠商： NXP SEMICONDUCTORS
元件分類： 計數(shù)器
英文描述： 4000/14000/40000 SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16
封裝： PLASTIC, SOT-109-1, SO-16
文件頁數(shù)： 4/6頁
文件大?。?/td> 60K
代理商： 933372730653
January 1995
4
Philips Semiconductors
Product specication
14-stage binary counter
HEF4020B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns; see also waveforms Fig.4
VDD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
CP
→Ο0
5
105
210
ns
78 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
45
90
ns
34 ns
+ (0,23 ns/pF) CL
15
30
65
ns
22 ns
+ (0,16 ns/pF) CL
5
105
210
ns
78 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
50
95
ns
39 ns
+ (0,23 ns/pF) CL
15
35
70
ns
27 ns
+ (0,16 ns/pF) CL
On → On + 1
5
80
160
ns
53 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
30
60
ns
19 ns
+ (0,23 ns/pF) CL
15
20
40
ns
12 ns
+ (0,16 ns/pF) CL
5
70
140
ns
43 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
25
50
ns
14 ns
+ (0,23 ns/pF) CL
15
20
40
ns
12 ns
+ (0,16 ns/pF) CL
MR
→ On
5
180
360
ns
153 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
90
180
ns
79 ns
+ (0,23 ns/pF) CL
15
70
140
ns
62 ns
+ (0,16 ns/pF) CL
Output transition times
5
60
120
ns
10 ns
+ (1,0 ns/pF) CL
HIGH to LOW
10
tTHL
30
60
ns
9 ns
+ (0,42 ns/pF) CL
15
20
40
ns
6 ns
+ (0,28 ns/pF) CL
5
60
120
ns
10 ns
+ (1,0 ns/pF) CL
LOW to HIGH
10
tTLH
30
60
ns
9 ns
+ (0,42 ns/pF) CL
15
20
40
ns
6 ns
+ (0,28 ns/pF) CL
Minimum clock
5
50
25
ns
pulse width; HIGH
10
tWCPH
25
15
ns
15
20
10
ns
Minimum MR
5
130
65
ns
pulse width; HIGH
10
tWMRH
95
50
ns
15
90
45
ns
Recovery time
5
115
60
ns
for MR
10
tRMR
65
35
ns
15
55
25
ns
Maximum clock
5
10
MHz
pulse frequency
10
fmax
13
25
MHz
15
18
35
MHz
相關(guān)PDF資料
PDF描述
933282710652 4000/14000/40000 SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDIP16
933372770653 4000/14000/40000 SERIES, ASYN NEGATIVE EDGE TRIGGERED 7-BIT UP BINARY COUNTER, PDSO14
933282630652 4000/14000/40000 SERIES, ASYN NEGATIVE EDGE TRIGGERED 7-BIT UP BINARY COUNTER, PDIP14
933372770652 4000/14000/40000 SERIES, ASYN NEGATIVE EDGE TRIGGERED 7-BIT UP BINARY COUNTER, PDSO14
933372820653 4000/14000/40000 SERIES, QUAD 2-INPUT XOR GATE, PDSO14
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