參數(shù)資料
型號: 933296660652
廠商: NXP SEMICONDUCTORS
元件分類: 計數(shù)器
英文描述: 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16
封裝: PLASTIC, SOT-38-1, DIP-16
文件頁數(shù): 12/14頁
文件大?。?/td> 184K
代理商: 933296660652
January 1995
7
Philips Semiconductors
Product specication
Synchronous up/down counter,
binary/decade counter
HEF4029B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; input transition times ≤ 20 ns
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
TYPICAL FORMULA FOR P (
W)
Dynamic power
5
1000 fi +∑(foCL) × VDD2
where
dissipation per
10
4500 fi +∑(foCL) × VDD2
fi = input freq. (MHz)
package (P)
15
11 500 fi +∑(foCL) × VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
∑(f
oCL) = sum of outputs
VDD = supply voltage (V)
VDD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
CP
→ On
5
145
290
ns
118 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
55
110
ns
44 ns
+ (0,23 ns/pF) CL
15
40
75
ns
32 ns
+ (0,16 ns/pF) CL
5
160
315
ns
133 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
60
120
ns
49 ns
+ (0,23 ns/pF) CL
15
40
80
ns
32 ns
+ (0,16 ns/pF) CL
CP
→ TC
5
280
560
ns
253 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
105
205
ns
94 ns
+ (0,23 ns/pF) CL
15
70
140
ns
62 ns
+ (0,16 ns/pF) CL
5
195
385
ns
168 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
75
150
ns
64 ns
+ (0,23 ns/pF) CL
15
55
105
ns
47 ns
+ (0,16 ns/pF) CL
PL
→ On
5
120
240
ns
93 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
50
100
ns
39 ns
+ (0,23 ns/pF) CL
15
35
70
ns
27 ns
+ (0,16 ns/pF) CL
5
170
335
ns
143 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
65
130
ns
54 ns
+ (0,23 ns/pF) CL
15
45
90
ns
37 ns
+ (0,16 ns/pF) CL
CE
→ TC
5
180
360
ns
153 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
70
140
ns
59 ns
+ (0,23 ns/pF) CL
15
50
100
ns
42 ns
+ (0,16 ns/pF) CL
5
170
335
ns
143 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
65
135
ns
54 ns
+ (0,23 ns/pF) CL
15
50
100
ns
42 ns
+ (0,16 ns/pF) CL
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