參數(shù)資料
型號: 933334260652
廠商: NXP SEMICONDUCTORS
元件分類: 門電路
英文描述: 4000/14000/40000 SERIES, QUAD 2-INPUT XNOR GATE, PDIP14
封裝: PLASTIC, SOT-27-1, DIP-14
文件頁數(shù): 3/3頁
文件大小: 27K
代理商: 933334260652
January 1995
3
Philips Semiconductors
Product specication
Quadruple exclusive-NOR gate
HEF4077B
gates
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL
TYP. MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
An,Bn → On
5
75
150
ns
48 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
35
70
ns
24 ns
+ (0,23 ns/pF) CL
15
30
55
ns
22 ns
+ (0,16 ns/pF) CL
5
70
145
ns
43 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
30
60
ns
19 ns
+ (0,23 ns/pF) CL
15
25
50
ns
17 ns
+ (0,16 ns/pF) CL
Output transition
times
5
60
120
ns
10 ns
+ (1,0 ns/pF) C
L
HIGH to LOW
10
tTHL
30
60
ns
9 ns
+ (0,42 ns/pF) CL
15
20
40
ns
6 ns
+ (0,28 ns/pF) CL
5
60
120
ns
10 ns
+ (1,0 ns/pF) CL
LOW to HIGH
10
tTLH
30
60
ns
9 ns
+ (0,42 ns/pF) CL
15
20
40
ns
6 ns
+ (0,28 ns/pF) CL
VDD
V
TYPICAL FORMULA FOR P(
W)
Dynamic power
5
850 fi +∑ (foCL) × VDD2
where
dissipation per
10
4 500 fi +∑ (foCL) × VDD2
fi = input freq. (MHz)
package (P)
15
14 700 fi +∑ (foCL) × VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (f
oCL) = sum of outputs
VDD = supply voltage (V)
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