HEF4029B 查看數據表（PDF） - Philips Electronics
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HEF4029B Datasheet PDF : 14 Pages
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Philips Semiconductors
Synchronous up/down counter,
binary/decade counter
Product specification
HEF4029B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
1000 fi + ∑(foCL) × VDD2
10
4500 fi + ∑(foCL) × VDD2
15
11 500 fi + ∑(foCL) × VDD2
where
fi = input freq. (MHz)
fo = output freq. (MHz)
CL = load capacitance (pF)
∑(foCL) = sum of outputs
VDD = supply voltage (V)
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP.
Propagation delays
CP → On
5
145
HIGH to LOW
10 tPHL
55
15
40
5
160
LOW to HIGH
10 tPLH
60
15
40
CP → TC
5
280
HIGH to LOW
10 tPHL
105
15
70
5
195
LOW to HIGH
10 tPLH
75
15
55
PL → On
5
120
HIGH to LOW
10 tPHL
50
15
35
5
170
LOW to HIGH
10 tPLH
65
15
45
CE → TC
5
180
HIGH to LOW
10 tPHL
70
15
50
5
170
LOW to HIGH
10 tPLH
65
15
50
MAX.
290
110
75
315
120
80
560
205
140
385
150
105
240
100
70
335
130
90
360
140
100
335
135
100
TYPICAL EXTRAPOLATION
FORMULA
ns
118 ns + (0,55 ns/pF) CL
ns
44 ns + (0,23 ns/pF) CL
ns
32 ns + (0,16 ns/pF) CL
ns
133 ns + (0,55 ns/pF) CL
ns
49 ns + (0,23 ns/pF) CL
ns
32 ns + (0,16 ns/pF) CL
ns
253 ns + (0,55 ns/pF) CL
ns
94 ns + (0,23 ns/pF) CL
ns
62 ns + (0,16 ns/pF) CL
ns
168 ns + (0,55 ns/pF) CL
ns
64 ns + (0,23 ns/pF) CL
ns
47 ns + (0,16 ns/pF) CL
ns
93 ns + (0,55 ns/pF) CL
ns
39 ns + (0,23 ns/pF) CL
ns
27 ns + (0,16 ns/pF) CL
ns
143 ns + (0,55 ns/pF) CL
ns
54 ns + (0,23 ns/pF) CL
ns
37 ns + (0,16 ns/pF) CL
ns
153 ns + (0,55 ns/pF) CL
ns
59 ns + (0,23 ns/pF) CL
ns
42 ns + (0,16 ns/pF) CL
ns
143 ns + (0,55 ns/pF) CL
ns
54 ns + (0,23 ns/pF) CL
ns
42 ns + (0,16 ns/pF) CL
January 1995
7
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