HEF4017B 查看數據表（PDF） - Philips Electronics
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HEF4017B Datasheet PDF : 8 Pages
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Philips Semiconductors
5-stage Johnson counter
Product specification
HEF4017B
MSI
FUNCTION TABLE
MR
CP0
CP1
OPERATION
H
X
X O0 = O5-9 = H; O1 to O9 = L
L
H
Counter advances
L
L Counter advances
L
L
X No change
L
X
H No change
L
H
No change
Notes
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
3. X = state is immaterial
4.
= positive-going transition
5.
= negative-going transition
L
L No change
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN.
TYP.
Propagation delays
CP0, CP1 → O0 to O9
5
140
HIGH to LOW
10 tPHL
55
15
40
5
125
LOW to HIGH
10 tPLH
50
15
40
CP0, CP1 → O5-9
5
145
HIGH to LOW
10 tPHL
55
15
40
5
125
LOW to HIGH
10 tPLH
50
15
40
MR → O1 to O9
5
115
HIGH to LOW
10 tPHL
50
15
35
MR → O5-9
5
110
LOW to HIGH
10 tPLH
45
15
35
MR → O0
5
130
LOW to HIGH
10 tPLH
55
15
40
MAX.
TYPICAL EXTRAPOLATION
FORMULA
280 ns 113 ns + (0,55 ns/pF) CL
110 ns 44 ns + (0,23 ns/pF) CL
80 ns 32 ns + (0,16 ns/pF) CL
250 ns 98 ns + (0,55 ns/pF) CL
100 ns 39 ns + (0,23 ns/pF) CL
80 ns 32 ns + (0,16 ns/pF) CL
290 ns 118 ns + (0,55 ns/pF) CL
110 ns 44 ns + (0,23 ns/pF) CL
80 ns 32 ns + (0,16 ns/pF) CL
250 ns 98 ns + (0,55 ns/pF) CL
100 ns 39 ns + (0,23 ns/pF) CL
80 ns 32 ns + (0,16 ns/pF) CL
230 ns 88 ns + (0,55 ns/pF) CL
100 ns 39 ns + (0,23 ns/pF) CL
70 ns 27 ns + (0,16 ns/pF) CL
220 ns 83 ns + (0,55 ns/pF) CL
90 ns 34 ns + (0,23 ns/pF) CL
70 ns 27 ns + (0,16 ns/pF) CL
260 ns 103 ns + (0,55 ns/pF) CL
105 ns 44 ns + (0,23 ns/pF) CL
75 ns 32 ns + (0,16 ns/pF) CL
January 1995
4
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