HEF4078BN [NXP]
8-input NOR gate; 8输入NOR门
| 型号： | HEF4078BN |
| 厂家： | 
NXP |
| 描述： | 8-input NOR gate |
| 文件： | 总3页 (文件大小：32K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC04 LOCMOS HE4000B Logic
Family Specifications HEF, HEC
• The IC04 LOCMOS HE4000B Logic
Package Outlines/Information HEF, HEC
HEF4078B
gates
8-input NOR gate
January 1995
Product specification
File under Integrated Circuits, IC04
Philips Semiconductors
Product specification
HEF4078B
gates
8-input NOR gate
DESCRIPTION
The HEF4078B provides the positive 8-input NOR
function. The outputs are fully buffered for highest noise
immunity and pattern insensitivity of output impedance.
Fig.2 Pinning diagram.
HEF4078BP(N): 14-lead DIL; plastic
(SOT27-1)
HEF4078BD(F): 14-lead DIL; ceramic (cerdip)
(SOT73)
HEF4078BT(D): 14-lead SO; plastic
(SOT108-1)
Fig.1 Functional diagram.
( ): Package Designator North America
FAMILY DATA,
IDD LIMITS category GATES
See Family Specifications
Fig.3 Logic diagram.
January 1995
2
Philips Semiconductors
Product specification
HEF4078B
gates
8-input NOR gate
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
TYPICAL EXTRAPOLATION
FORMULA
SYMBOL
TYP.
MAX.
Propagation delays
In → On
HIGH to LOW
5
80
160 ns
53 ns
24 ns
17 ns
53 ns
24 ns
17 ns
+
+
+
+
+
+
(0,55 ns/pF) CL
(0,23 ns/pF) CL
(0,16 ns/pF) CL
(0,55 ns/pF) CL
(0,23 ns/pF) CL
(0,16 ns/pF) CL
10
15
5
tPHL
35
25
80
35
25
70 ns
50 ns
160 ns
70 ns
50 ns
LOW to HIGH
10
15
tPLH
Output transition
times
5
10
15
5
60
30
20
60
30
20
120 ns
60 ns
40 ns
120 ns
60 ns
40 ns
10 ns
9 ns
6 ns
10 ns
9 ns
6 ns
+
+
+
+
+
+
(1,0 ns/pF) CL
(0,42 ns/pF) CL
(0,28 ns/pF) CL
(1,0 ns/pF) CL
(0,42 ns/pF) CL
(0,28 ns/pF) CL
HIGH to LOW
tTHL
LOW to HIGH
10
15
tTLH
VDD
V
TYPICAL FORMULA FOR P (µW)
2
Dynamic power
dissipation per
package (P)
5
10
15
750 fi + ∑ (foCL) × VDD
where
2
2800 fi + ∑ (foCL) × VDD
fi = input freq. (MHz)
2
7500 fi + ∑ (foCL) × VDD
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
3
相关型号：
HEF4078BT-T
IC 4000/14000/40000 SERIES, 8-INPUT NOR GATE, PDSO14, PLASTIC, SOT-108-1, SO-14, Gate
NXP
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