參數(shù)資料
型號(hào): 74HC93
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 4-bit binary ripple counter
中文描述: 4位二進(jìn)制紋波計(jì)數(shù)器
文件頁(yè)數(shù): 5/7頁(yè)
文件大小: 45K
代理商: 74HC93
December 1990
5
Philips Semiconductors
Product specification
4-bit binary ripple counter
74HC/HCT93
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
CP
0
to Q
0
41
15
12
49
16
13
61
22
18
80
29
23
50
18
14
19
7
6
8
3
2
14
5
4
14
5
4
30
91
108
125
25
21
135
27
23
185
37
31
245
49
42
155
31
26
75
15
13
155
31
26
170
34
29
230
46
39
305
61
52
195
39
33
95
19
16
190
38
32
205
41
35
280
56
48
370
71
63
235
47
40
110
22
19
ns
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.6
t
PHL
/ t
PLH
propagation delay
CP
1
to Q
1
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
CP
1
to Q
2
ns
Fig.6
t
PHL
/ t
PLH
propagation delay
CP
1
to Q
3
ns
Fig.6
t
PHL
propagation delay
MR
n
to Q
n
ns
Fig.7
t
THL
/ t
TLH
output transition time
ns
Fig.6
t
rem
removal time
MR
n
to CP
0
, CP
1
50
10
9
80
16
14
80
16
14
6.0
30
35
65
13
11
100
20
17
100
20
17
4.8
24
28
75
15
13
120
24
20
120
24
20
4.0
20
24
ns
Fig.7
t
W
pulse width
CP
0
, CP
1
ns
Fig.6
t
W
master reset pulse width
MR
n
ns
Fig.7
f
max
maximum clock pulse
frequency
CP
0
, CP
1
MHz
Fig.6
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