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Электронный компонент: N74F641D

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Philips
Semiconductors
74F641/74F642*
Transceivers
Product specification
Supersedes data of 1989 Nov 27
IC15 Data Handbook
1999 Jan 08
INTEGRATED CIRCUITS
* Discontinued part. Please see the Discontinued Product List.
Philips Semiconductors
Product specification
74F641/74F642*
Transceivers
74F641 Octal Bus Transceiver with Common Output Enable, Non-Inverting (Open Collector)
74F642 Octal Bus Transceiver with Common Output Enable, Inverting (Open Collector)
2
1999 Jan 08
8530382 20616
* Discontinued part. Please see the Discontinued Products List.
FEATURES
High-impedance NPN base inputs for reduced loading
(20
A in High and Low states)
Octal bidirectional bus interface
Common Output Enable for both Transmit and Receive modes
Open collector outputs sink 64mA
--74F641, non-inverting
--74F642, inverting
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
10%,
T
amb
= 0
C to +70
C
PKG DWG #
20-pin plastic DIP
N74F641N
SOT146-1
20-pin plastic SOL
N74F641D
SOT163-1
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL SUPPLY CURRENT
(TOTAL)
74F641
8.0ns
69mA
74F642
8.5ns
52mA
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
A0 - A7, B0 - B7
Data inputs
1.0/0.033
20
A/20
A
T/R
Transmit/Receive input
2.0/0.067
40
A/40
A
OE
Output Enable inputs
2.0/0.067
40
A/40
A
A0 - A7
Data outputs
OC/40
OC/24mA
B0 - B7
Data outputs
OC/106.7
OC/64mA
NOTE: One (1.0) FAST unit load is defined as: 20
A in the High state and 0.6mA in the Low state. OC = Open Collector.
PIN CONFIGURATION 74F641
SF00198
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
T/R
A0
A1
A2
A3
A4
A5
A6
A7
GND
V
CC
OE
B0
B1
B2
B3
B4
B6
B5
B7
PIN CONFIGURATION 74F642
SF00198
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
T/R
A0
A1
A2
A3
A4
A5
A6
A7
GND
V
CC
OE
B0
B1
B2
B3
B4
B6
B5
B7
Philips Semiconductors
Product specification
74F641/74F642*
Transceivers
1999 Jan 08
3
* Discontinued part. Please see the Discontinued Products List.
LOGIC SYMBOL 74F641
B0
B1
B2
B3
19
1
T/R
OE
SF01154
VCC = Pin 20
GND = Pin 10
B4
B5
B6
B7
8
9
A2
A3
4
5
6
A4
A5
A6
7
A7
2
3
A0
A1
18
17
16
15
14
13
12
11
LOGIC SYMBOL 74F642
B0
B1
B2
B3
19
1
T/R
OE
SF01146
VCC = Pin 20
GND = Pin 10
B4
B5
B6
B7
8
9
A2
A3
4
5
6
A4
A5
A6
7
A7
2
3
A0
A1
18
17
16
15
14
13
12
11
LOGIC SYMBOL (IEEE/IEC) 74F641
SF01147
19
18
G3
3EN1
3EN2
1
17
16
15
14
13
12
11
2
3
4
5
6
7
8
9
2
1
LOGIC SYMBOL (IEEE/IEC) 74F642
SF01148
19
18
G3
3EN1
3EN2
1
17
16
15
14
13
12
11
2
3
4
5
6
7
8
9
2
1
Philips Semiconductors
Product specification
74F641/74F642*
Transceivers
1999 Jan 08
4
* Discontinued part. Please see the Discontinued Products List.
LOGIC DIAGRAM 74F641
VCC =
Pin 20
GND =
Pin 10
SF01149
T/R
2
3
4
18
17
16
15
14
13
12
B0
B1
B4
B5
B6
B7
OE
A1
A4
A5
A6
A7
B2
B3
A3
A2
5
6
7
8
A0
11
9
19
1
LOGIC DIAGRAM 74F642
VCC =
Pin 20
GND =
Pin 10
SF01150
T/R
2
3
4
18
17
16
15
14
13
12
B0
B1
B4
B5
B6
B7
OE
A1
A4
A5
A6
A7
B2
B3
A3
A2
5
6
7
8
A0
11
9
19
1
FUNCTION TABLE 74F641
INPUTS
INPUTS/OUTPUTS
OE
T/R
An
Bn
L
L
A=B
INPUTS
H
H
INPUTS
B=A
H
X
OFF
OFF
H = High voltage level
L
= Low voltage level
X = Don't care
OFF= High if pull-up resistor is connected to open collector output
FUNCTION TABLE 74F642
INPUTS
INPUTS/OUTPUTS
OE
T/R
An
Bn
L
L
A=B
INPUTS
H
H
INPUTS
B=A
H
X
OFF
OFF
H = High voltage level
L
= Low voltage level
X = Don't care
OFF= High if pull-up resistor is connected to open collector output
Philips Semiconductors
Product specification
74F641/74F642*
Transceivers
1999 Jan 08
5
* Discontinued part. Please see the Discontinued Products List.
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
0.5 to +7.0
V
V
IN
Input voltage
0.5 to +7.0
V
I
IN
Input current
30 to +5
mA
V
OUT
Voltage applied to output in High output state
0.5 to +V
CC
V
I
OUT
Current applied to output in Low output state
A0A7
48
mA
I
OUT
Current a
lied to out ut in Low out ut state
B0B7
128
mA
T
amb
Operating free-air temperature range
0 to +70
C
T
stg
Storage temperature range
65 to +150
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
MIN
NOM
MAX
UNIT
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
IK
Input clamp current
18
mA
I
OH
High-level output current
4.5
V
I
OL
Low-level output current
A0A7
24
mA
I
OL
Low-level out ut current
B0B7
64
mA
T
amb
Operating free-air temperature range
0
70
C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
NO TAG
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
NO TAG
MIN
TYP
NO TAG
MAX
UNIT
I
OH
High-level output current
V
CC
= MIN, V
IL
= MAX,
V
IH
= MIN, V
OH
= MAX
250
A
A0A7
V
MIN
I
OL
= 24mA
10%V
CC
0.35
0.50
V
V
OL
Low-level output voltage
A0A7
V
CC
= MIN,
V
IL
= MAX
I
OL
= 24mA
5%V
CC
0.35
0.50
V
V
OL
Low-level out ut voltage
B0B7
V
IL
= MAX,
V
IH
= MIN,
I
OL
= 48mA
10%V
CC
0.38
0.55
V
B0B7
IH
,
I
OL
= 64mA
5%V
CC
0.42
0.55
V
V
IK
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
0.73
1.2
V
I
I
Input current at maximum
T/R, OE
V
CC
= 0.0V, V
I
= 7.0V
100
A
I
I
input voltage
An, Bn
V
CC
= 5.5V, V
I
= 5.5V
1
mA
I
IH
High-level input current
T/R, OE
V
CC
= MAX V
I
= 2 7V
40
A
I
IH
High-level in ut current
An, Bn
V
CC
= MAX, V
I
= 2.7V
20
A
I
IL
Low-level input current
T/R, OE
V
CC
= MAX V
I
= 0 5V
40
A
I
IL
Low-level in ut current
An, Bn
V
CC
= MAX, V
I
= 0.5V
20
A
74F641
I
CCH
An=T/R=4.5, OE=GND
60
90
mA
I
CC
Supply current
74F641
I
CCL
V
CC
= MAX
T/R=4.5V, An=OE=GND
78
120
mA
I
CC
y
(total)
74F642
I
CCH
V
CC
= MAX
An=T/R=OE=4.5V
37
55
mA
74F642
I
CCL
An=T/R=4.5V, OE=GND
67
98
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
C.