74HC4059 Просмотр технического описания (PDF) - Philips Electronics
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74HC4059 Datasheet PDF : 20 Pages
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Philips Semiconductors
Programmable divide-by-n counter
Product specification
74HC/HCT4059
DC CHARACTERISTIC 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
CP to Q
tPHL/ tPLH propagation delay
LE to Q
tTHL/ tTLH output transition time
tW
clock pulse width
CP
trem
removal time
Kb, Kc to CP
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.
58 200
250
300 ns 2.0 Fig.7
21 40
50
60
4.5
17 34
43
51
6.0
50 175
220
265 ns 2.0 Fig.8
18 35
44
53
4.5
14 30
37
45
6.0
19 75
95
110 ns 2.0 Fig.7
7 15
19
22
4.5
6 13
16
19
6.0
90 7
115
135
ns 2.0 Fig.7
18 6
23
27
4.5
15 5
90
23
6.0
75 19
95
110
ns 2.0 Fig.9; note 1
15 7
19
22
4.5
13 6
16
19
6.0
4.2 12
3.4
2.8
MHz 2.0 Fig.7
21 36
17
14
4.5
25 43
20
17
6.0
Note
1. From master preset mode to any other mode.
1998 Jul 08
9
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