74F260 查看數據表（PDF） - Philips Electronics
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74F260 Datasheet PDF : 8 Pages
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Philips Semiconductors
Dual 5-input NOR gate
Product specification
74F260
TYPE
74F260
TYPICAL
PROPAGATION
DELAY
3.5ns
TYPICAL
SUPPLY CURRENT
(TOTAL)
6mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
14-pin plastic DIP
N74F260N
14-pin plastic SO
N74F260D
PKG DWG #
SOT27-1
SOT108-1
PIN CONFIGURATION
D0a 1
D0b 2
D0c 3
D1e 4
Q0 5
Q1 6
GND 7
14 VCC
13 Doe
12 D0d
11 D1d
10 D1c
9 D1b
8 D1a
SF00829
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
Dna, Dnb, Dnc, Dnd, Dne Data inputs
1.0/1.0
Q0, Q1
Data outputs
50/33
NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
LOAD VALUE HIGH/LOW
20µA/0.6mA
1.0mA/20mA
LOGIC SYMBOL
LOGIC DIAGRAM
1 2 3 12 13 8 9 10 11 4
D0a D0b D0c D0d D0e D1a D1b D1c D1d D1e
D0a 1
2
D0b
D0c 3
D0d 12
D0e 13
5
Q0
Q0
Q1
VCC = Pin 14
GND = Pin 7
5
6
IEC/IEEE SYMBOL
SF00830
1
≥1
2
5
3
12
13
8
9
6
10
11
4
SF00831
VCC = Pin 14
GND = Pin 7
8
D1a
9
D1b
D1c 10
D1d 11
D1e 4
FUNCTION TABLE
INPUTS
Dna
Dnb
Dnc
Dnd
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
H
X
X
X
X
L
L
L
L
H = High voltage level
L = Low voltage level
X = Don’t care
6
Q1
SF00832
OUTPUT
Dne
Qn
X
L
X
L
X
L
X
L
H
L
L
H
1988 Nov 29
2
853–0048 95209
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