74F642 [NXP]
Transceivers; 收发器
| 型号： | 74F642 |
| 厂家： | 
NXP |
| 描述： | Transceivers |
| 文件： | 总10页 (文件大小：96K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
74F641/74F642*
Transceivers
* Discontinued part. Please see the Discontinued Product List.
Product specification
1999 Jan 08
Supersedes data of 1989 Nov 27
IC15 Data Handbook
Philips
Semiconductors
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
74F641 Octal Bus Transceiver with Common Output Enable, Non-Inverting (Open Collector)
74F642 Octal Bus Transceiver with Common Output Enable, Inverting (Open Collector)
FEATURES
ORDERING INFORMATION
• High-impedance NPN base inputs for reduced loading
(20µA in High and Low states)
COMMERCIAL RANGE
= 5V ±10%,
V
CC
DESCRIPTION
PKG DWG #
T
amb
= 0°C to +70°C
• Octal bidirectional bus interface
20-pin plastic DIP
20-pin plastic SOL
N74F641N
SOT146-1
SOT163-1
• Common Output Enable for both Transmit and Receive modes
• Open collector outputs sink 64mA
N74F641D
• —74F641, non-inverting
TYPICAL
PROPAGATION
DELAY
TYPICAL SUPPLY CURRENT
(TOTAL)
TYPE
—74F642, inverting
74F641
74F642
8.0ns
8.5ns
69mA
52mA
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
PINS
DESCRIPTION
A0 - A7, B0 - B7
T/R
Data inputs
1.0/0.033
2.0/0.067
2.0/0.067
OC/40
20µA/20µA
40µA/40µA
40µA/40µA
OC/24mA
OC/64mA
Transmit/Receive input
Output Enable inputs
Data outputs
OE
A0 - A7
B0 - B7
Data outputs
OC/106.7
NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state. OC = Open Collector.
PIN CONFIGURATION – 74F641
PIN CONFIGURATION – 74F642
1
2
20
19
18
17
16
15
14
13
12
11
V
1
2
20
19
18
17
16
15
14
13
12
11
V
CC
T/R
A0
CC
T/R
A0
OE
B0
B1
B2
B3
B4
B5
OE
B0
B1
B2
B3
B4
B5
3
3
A1
A1
4
4
A2
A2
5
5
A3
A3
6
6
A4
A4
7
7
A5
A5
8
8
A6
A6
9
9
A7
A7
B6
B7
B6
B7
10
10
GND
GND
SF00198
SF00198
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
2
853–0382 20616
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
LOGIC SYMBOL – 74F641
LOGIC SYMBOL – 74F642
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
A0
A1
A2
A3 A4 A5
A6
A7
A0
A1
A2
A3 A4 A5
A6
A7
1
T/R
OE
1
T/R
OE
19
19
B0
B1
B2
B3 B4 B5
B6
B7
B0
B1
B2
B3 B4 B5
B6
B7
18
17
16 15 14
13 12
11
18
17
16 15 14
13 12
11
V
=
=
Pin 20
Pin 10
V
=
=
Pin 20
Pin 10
CC
GND
CC
GND
SF01154
SF01146
LOGIC SYMBOL (IEEE/IEC) – 74F641
LOGIC SYMBOL (IEEE/IEC) – 74F642
19
1
19
1
G3
G3
3EN1
3EN2
3EN1
3EN2
18
17
18
2
3
2
3
1
1
2
2
17
16
15
16
15
4
5
4
5
14
13
14
13
6
7
6
7
12
11
12
11
8
9
8
9
SF01147
SF01148
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
3
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
LOGIC DIAGRAM – 74F641
LOGIC DIAGRAM – 74F642
1
T/R
1
T/R
19
OE
19
OE
2
18
B0
A0
2
18
17
A0
B0
B1
17
B1
3
3
A1
A1
16
B2
4
A2
16
15
14
4
A2
B2
B3
15
B3
5
A3
5
A3
14
B4
6
A4
6
A4
B4
13
B5
7
A5
13
12
11
7
A5
B5
B6
B7
8
12
B6
A6
8
A6
9
11
A7
9
B7
A7
V
=
=
Pin 20
Pin 10
CC
GND
V
=
=
Pin 20
Pin 10
CC
GND
SF01149
SF01150
FUNCTION TABLE – 74F641
FUNCTION TABLE – 74F642
INPUTS
INPUTS/OUTPUTS
INPUTS
INPUTS/OUTPUTS
OE
L
T/R
L
An
A=B
Bn
INPUTS
B=A
OE
L
T/R
L
An
A=B
Bn
INPUTS
B=A
H
H
INPUTS
OFF
H
H
INPUTS
OFF
H
X
OFF
H
X
OFF
H = High voltage level
H = High voltage level
L
=
Low voltage level
L
=
Low voltage level
X
=
Don’t care
X
=
Don’t care
OFF= High if pull-up resistor is connected to open collector output
OFF= High if pull-up resistor is connected to open collector output
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
4
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
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
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
UNIT
V
V
Supply voltage
Input voltage
Input current
CC
IN
V
V
I
mA
V
IN
V
OUT
Voltage applied to output in High output state
–0.5 to +V
48
CC
A0–A7
B0–B7
mA
mA
°C
°C
I
Current applied to output in Low output state
OUT
128
T
amb
Operating free-air temperature range
Storage temperature range
0 to +70
T
stg
–65 to +150
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
UNIT
MIN
4.5
NOM
MAX
V
Supply voltage
5.0
5.5
V
V
CC
IH
IL
V
V
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
2.0
0.8
–18
4.5
24
V
I
I
mA
V
IK
OH
OL
A0–A7
B0–B7
mA
mA
°C
I
Low-level output current
64
T
amb
Operating free-air temperature range
0
70
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
LIMITS
NO TAG
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
TYP
MIN
MAX
NO TAG
V
V
= MIN, V = MAX,
CC
IH
IL
I
High-level output current
250
µA
OH
= MIN, V = MAX
OH
±10%V
0.35
0.35
0.38
0.42
–0.73
0.50
0.50
0.55
0.55
–1.2
100
1
V
V
CC
A0–A7
B0–B7
I
= 24mA
OL
V
V
V
= MIN,
= MAX,
= MIN,
CC
IL
±5%V
CC
V
V
Low-level output voltage
Input clamp voltage
OL
I
I
= 48mA
= 64mA
±10%V
V
OL
OL
IK
CC
CC
IH
±5%V
V
V
= MIN, I = I
V
IK
CC
CC
CC
I
T/R, OE
An, Bn
V
V
= 0.0V, V = 7.0V
µA
mA
µA
µA
µA
µA
mA
mA
mA
mA
I
Input current at maximum
input voltage
I
I
I
I
= 5.5V, V = 5.5V
I
T/R, OE
An, Bn
40
High-level input current
Low-level input current
V
= MAX, V = 2.7V
I
IH
IL
CC
CC
20
T/R, OE
An, Bn
–40
–20
90
V
= MAX, V = 0.5V
I
I
An=T/R=4.5, OE=GND
T/R=4.5V, An=OE=GND
An=T/R=OE=4.5V
60
78
37
67
CCH
74F641
I
120
55
CCL
Supply current
(total)
I
V
CC
= MAX
CC
I
CCH
74F642
I
An=T/R=4.5V, OE=GND
98
CCL
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 = 5V, T = 25°C.
CC
amb
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
5
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
AC ELECTRICAL CHARACTERISTICS – 74F641
LIMITS
V
amb
= +5V
= +25°C
V
amb
= +5V ± 10%
= 0°C to +70°C
CC
CC
TEST
CONDITION
T
T
SYMBOL
PARAMETER
UNIT
C = 50pF, R = 500Ω
C = 50pF, R = 500Ω
L L
L
L
MIN
TYP
MAX
MIN
MAX
t
t
Propagation delay
An to Bn
Waveform
NO TAG
6.5
4.0
8.5
6.0
11.5
9.5
6.5
4.0
12.5
11.0
PLH
PHL
ns
ns
ns
ns
t
t
Propagation delay
Bn to An
Waveform
NO TAG
6.0
3.5
8.0
5.5
11.5
7.5
6.0
3.5
12.0
8.0
PLH
PHL
t
t
Propagation delay
OE to An
7.0
5.0
10.5
7.0
12.5
9.0
7.0
5.0
13.0
10.0
PLH
PHL
Waveform 4
Waveform 4
t
t
Propagation delay
OE to Bn
8.0
3.5
9.0
7.5
12.5
9.5
8.0
5.5
13.5
10.5
PLH
PHL
AC ELECTRICAL CHARACTERISTICS – 74F642
LIMITS
V
amb
= +5V
= +25°C
V
amb
= +5V ± 10%
= 0°C to +70°C
CC
CC
TEST
CONDITION
T
T
SYMBOL
PARAMETER
UNIT
C = 50pF, R = 500Ω
C = 50pF, R = 500Ω
L L
L
L
MIN
TYP
MAX
MIN
MAX
t
t
Propagation delay
An to Bn
Waveform
NO TAG
8.0
2.0
9.0
4.5
12.5
6.5
8.0
2.0
13.5
7.0
PLH
PHL
ns
ns
ns
ns
t
t
Propagation delay
Bn to An
Waveform
NO TAG
7.5
1.5
8.0
4.0
12.0
6.0
7.5
1.5
12.5
6.5
PLH
PHL
t
t
Propagation delay
OE to An
Waveform
NO TAG
7.5
6.0
9.0
8.0
12.0
10.5
7.5
6.0
12.5
11.0
PLH
PHL
t
t
Propagation delay
OE to Bn
Waveform
NO TAG
8.0
6.0
9.0
7.0
12.5
10.5
8.0
6.0
13.0
11.0
PLH
PHL
AC WAVEFORMS
For all waveforms, V = 1.5V.
M
An or Bn
An or Bn
V
M
V
M
V
V
M
M
t
t
t
t
PHL
PHL
PLH
PLH
V
V
V
V
M
M
M
M
Bn or An
Bn or An
SF01131
SF01132
Waveform 1. Propagation Delay for An to Bn or Bn to An
(74F642)
Waveform 2. Propagation Delay for An to Bn or Bn to An
(74F641)
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
6
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
AC WAVEFORMS (Continued)
For all waveforms, V = 1.5V.
M
OE
OE
V
M
V
M
V
V
M
M
t
t
t
t
PLH
PHL
PLH
PHL
V
V
V
V
M
M
M
M
An or Bn
An or Bn
SF01151
SF01151
Waveform 3. Propagation Delay for OE to An or Bn Outputs
(74F642) (Bn or An Inputs in High State)
Waveform 4. Propagation Delay for OE to An or Bn Outputs
(74F641) (Bn or An Inputs in Low State)
TEST CIRCUIT AND WAVEFORMS
V
CC
t
w
AMP (V)
0V
7.0V
90%
90%
NEGATIVE
PULSE
V
V
M
R
L
M
V
V
OUT
IN
10%
10%
PULSE
GENERATOR
D.U.T.
t
t )
t
t )
THL ( f
TLH ( r
R
C
R
L
T
L
t
t )
t
t )
TLH ( r
THL ( f
AMP (V)
0V
90%
M
90%
POSITIVE
PULSE
V
V
M
Test Circuit for 3-State Outputs
10%
10%
t
w
SWITCH POSITION
TEST
SWITCH
closed
closed
open
Input Pulse Definition
t
t
PLZ
PZL
All other
DEFINITIONS:
R
L
C
L
R
T
=
=
=
Load resistor;
INPUT PULSE REQUIREMENTS
see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
pulse generators.
family
V
M
rep. rate
t
w
t
t
THL
amplitude
TLH
of
OUT
2.5ns
2.5ns
74F
3.0V
1.5V
1MHz
500ns
SF00777
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
7
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
DIP20: plastic dual in-line package; 20 leads (300 mil)
SOT146-1
* Discontinued part. Please see the Discontinued Product List.
8
1999 Jan 08
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
* Discontinued part. Please see the Discontinued Product List.
9
1999 Jan 08
Philips Semiconductors
Product specification
Transceivers
74F641/74F642*
Data sheet status
[1]
Data sheet
status
Product
status
Definition
Objective
specification
Development
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
Preliminary
specification
Qualification
Production
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
Product
specification
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Righttomakechanges—PhilipsSemiconductorsreservestherighttomakechanges, withoutnotice, intheproducts, includingcircuits,standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
Sunnyvale, California 94088–3409
Telephone 800-234-7381
print code
Date of release: 10-98
9397-750-05149
Document order number:
* Discontinued part. Please see the Discontinued Product List.
Philips
Semiconductors
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74F643SC
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ROCHESTER
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