74HC393 데이터 시트보기 (PDF) - Philips Electronics
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74HC393 Datasheet PDF : 7 Pages
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Philips Semiconductors
Dual 4-bit binary ripple counter
Product specification
74HC/HCT393
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL PARAMETER
tPHL/ tPLH propagation delay
nCP to nQ0
tPHL/ tPLH propagation delay
nQn to nQn+1
tPHL
propagation delay
nMR to nQn
tTHL/ tTLH output transition time
tW
clock pulse width
HIGH or LOW
tW
master reset pulse
width; HIGH
trem
removal time
nMR to nCP
fmax
maximum clock pulse
frequency
Tamb (°C)
TEST CONDITIONS
74HC
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
41 125
155
15 25
31
12 21
26
190 ns
38
32
2.0 Fig.7
4.5
6.0
14 45
55
59
11
48
9
70 ns
14
12
2.0 Fig.7
4.5
6.0
39 140
175
14 28
35
11 24
30
210 ns
42
36
2.0 Fig.8
4.5
6.0
19 75
95
7 15
19
6 13
16
110 ns
22
19
2.0 Fig.7
4.5
6.0
80 17
100
120
ns 2.0 Fig.7
16 6
20
24
4.5
14 5
17
20
6.0
80 19
100
120
ns 2.0 Fig.8
16 7
20
24
4.5
14 6
17
20
6.0
53
5
5
ns 2.0 Fig.8
51
5
5
4.5
51
5
5
6.0
6 30
5
30 90
24
35 107
28
4
MHz 2.0 Fig.7
20
4.5
24
6.0
December 1990
5
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