74F760 [NXP]
Octal inverter buffer open-collector; 八路逆变器缓冲集电极开路
| 型号： | 74F760 |
| 厂家： | 
NXP |
| 描述： | Octal inverter buffer open-collector |
| 文件： | 总12页 (文件大小：92K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
74F756
Octal inverter buffer (open-collector)
74F757
Octal buffer (open-collector)
74F760
Octal buffer (open-collector)
Product specification
IC15 Data Handbook
1989 Nov 27
Philips
Semiconductors
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
74F756 Octal Inverter Buffer (Open Collector)
74F757 Octal Buffer (Open Collector)
74F760 Octal Buffer (Open Collector)
FEATURES
• Octal bus interface
TYPE
TYPICAL
PROPAGATION DELAY
TYPICAL SUPPLY
CURRENT (TOTAL)
• Open collector versions of 74F240, 74F241 and 74F244
74F756
74F757
74F760
9.0ns
9.0ns
9.0ns
40mA
45mA
45mA
DESCRIPTION
The 74F756, 74F757 and 74F760 are octal buffers that are ideal for
driving bus lines of buffer memory address registers. The 74F756 is
the open collector version of 74F240, 74F757 is the open collector
version of 74F241 and 74760 is the open collector version of
74F244. These devices feature two Output Enables. OEa and OEb
(or OEb for the 74F757), each controlling four of the outputs.
ORDERING INFORMATION
ORDER CODE
COMMERCIAL RANGE
DESCRIPTION
PKG DWG #
V
CC
= 5V ±10%, T = 0°C to +70°C
amb
20–pin plastic DIP
20–pin plastic SOL
N74F756N, N74F757AN, N74F760N
N74F756D, N74F757AD, N74F760D
SOT146-1
SOT163-1
INPUT AND OUTPUT LOADING AND FAN OUT TABLE
74F (U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
PINS
DESCRIPTION
Ian, Ibn
OEa, OEb
OEb
Data inputs
1.0/1.67
1.0/1.67
1.0/1.67
OC/106.7
OC/106.7
20µA/1.0mA
20µA/0.2mA
20µA/1.0mA
OC/64mA
Output enable input (active Low)
Output enable input (active High 74F757)
Data outputs (74F757, 74F760)
Data outputs (74F756)
Yan, Ybn
Yan, Ybn
OC/64mA
Notes:
One (1.0) FAST unit load is defined as: 20µA in the high state and 0.6mA in the Low state.
OC=Open Collector
2
1989 Nov 27
853–0270 98220
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
PIN CONFIGURATION for 74F756
IEC/IEEE SYMBOL for 74F756
1
OEa
Ia0
1
2
3
4
5
6
7
8
9
20 V
CC
EN1
EN2
19
19 OEb
18 Ya0
17 Ib0
16 Ya1
15 Ib1
14 Ya2
13 Ib2
12 Ya3
11 Ib3
Yb0
Ia1
2
18
16
14
12
3
1
4
Yb1
Ia2
6
8
Yb2
Ia3
17
15
13
11
2
5
Yb3
7
GND 10
9
SF00320
SF01246
LOGIC DIAGRAM for 74F756
LOGIC SYMBOL for 74F756
2
4
18
16
14
12
17
15
3
5
7
9
2
4
6
8
17 15 13 11
Ia0
Ia1
Ya0
Ya1
Ib0
Ib1
Yb0
Yb1
Ia0 Ia1 Ia2 Ia3 Ib0 Ib1 Ib2 Ib3
OEa
OEb
Ya0 Ya1 Ya2 Ya3 Yb0 Yb1 Yb2 Yb3
1
6
8
13
11
Ia2
Ia3
Ya2
Ya3
Ib2
Ib3
Yb2
Yb3
19
1
19
OEb
OEb
18 16 14 12
3
5
7
9
V
= Pin 20
V
= Pin 20
CC
CC
GND = Pin 10
GND = Pin 10
SF01247
SF00321
FUNCTION TABLE for 74F756
INPUTS
OUTPUTS
OEa
L
Ia
L
OEb
L
Ib
L
Ya
H
Yb
H
L
H
X
L
H
X
L
L
H
H
H (off)
H (off)
H = High voltage level
L
X
=
=
Low voltage level
Don’t care
3
1989 Nov 27
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
PIN CONFIGURATION for 74F757
LOGIC DIAGRAM for 74F757
OEa
Ia0
1
2
3
4
5
6
7
8
9
20 V
CC
3
5
7
9
17
15
13
11
19
18
16
14
12
2
4
6
8
1
Ib0
Ib1
Yb0
Yb1
Yb2
Yb3
Ia0
Ia1
Ya0
Ya1
Ya2
Ya3
19 OEb
18 Ya0
17 Ib0
16 Ya1
15 Ib1
14 Ya2
13 Ib2
12 Ya3
11 Ib3
Yb0
Ia1
Yb1
Ia2
Ib2
Ia2
Yb2
Ia3
Ib3
Ia3
Yb3
OEb
OEa
GND 10
V
= Pin 20
CC
GND = Pin 10
SF01251
SF01248
LOGIC SYMBOL for 74F757
FUNCTION TABLE for 74F757
INPUTS
OUTPUTS
2
4
6
8
17 15 13 11
OEa
L
Ia
L
OEb
H
Ib
L
Ya
Yb
L
Ia0 Ia1 Ia2 Ia3 Ib0 Ib1 Ib2 Ib3
L
H
L
H
X
H
H
X
H
1
OEa
OEb
19
H
L
H (off)
H (off)
Ya0 Ya1 Ya2 Ya3 Yb0 Yb1 Yb2 Yb3
H = High voltage level
L
X
=
=
Low voltage level
Don’t care
18 16 14 12
3
5
7
9
V
= Pin 20
CC
GND = Pin 10
SF01250
IEC/IEEE SYMBOL for 74F757
1
EN1
19
EN2
2
18
16
1
4
6
8
14
12
17
3
5
2
15
13
11
7
9
SF01249
4
1989 Nov 27
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
PIN CONFIGURATION for 74F760
IEC/IEEE SYMBOL for 74F760
1
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
OEa
Ia0
V
CC
EN1
EN2
19
OEb
Ya0
Ib0
Yb0
Ia1
2
18
16
14
12
3
1
2
4
Yb1
Ia2
Ya1
Ib1
6
8
Yb2
Ia3
Ya2
Ib2
17
15
13
11
5
Yb3
Ya3
Ib3
7
GND 10
9
SF01253
SF01252
LOGIC SYMBOL for 74F760
LOGIC DIAGRAM for 74F760
3
5
7
9
17
15
13
11
19
18
16
14
12
2
4
6
8
1
2
4
6
8
17 15 13 11
Ib0
Ib1
Yb0
Yb1
Yb2
Yb3
Ia0
Ia1
Ya0
Ya1
Ya2
Ya3
Ia0 Ia1 Ia2 Ia3 Ib0 Ib1 Ib2 Ib3
1
OEa
OEb
Ib2
Ia2
19
Ya0 Ya1 Ya2 Ya3 Yb0 Yb1 Yb2 Yb3
Ib3
Ia3
OEb
OEa
18 16 14 12
3
5
7
9
V
= Pin 20
CC
GND = Pin 10
V
= Pin 20
CC
GND = Pin 10
SF01254
SF01255
FUNCTION TABLE for 74F760
INPUTS
OUTPUTS
OEa
L
Ia
L
OEb
L
Ib
L
Ya
L
Yb
L
L
H
X
L
H
X
H
H
H
H
H (off)
H (off)
H = High voltage level
L
X
=
=
Low voltage level
Don’t care
5
1989 Nov 27
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit 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
CC
V
IN
Supply voltage
Input voltage
Input current
V
I
IN
mA
V
I
Voltage applied to output in High output state
Current applied to output in Low output state
–0.5 to V
V
OUT
CC
128
mA
OUT
T
Operating free-air temperature range
Storage temperature range
0 to +70
°C
°C
amb
T
stg
–65 to +150
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
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
2.0
0.8
–18
4.5
64
V
I
IK
mA
V
V
OH
High-level output voltage
Low-level output current
I
OL
mA
°C
T
amb
Operating free-air temperature range
0
70
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST
LIMITS
UNIT
1
2
CONDITIONS
MIN TYP
MAX
V
V
= MIN, V = MAX,
IL
CC
IH
I
High-level output current
250
µA
OH
= MIN, V = MAX
OH
V
V
V
= MIN,
= MAX,
= MIN,
V
Low-level output voltage
I
= 48MAX ±10%V
0.38
0.42
0.55
0.55
V
V
CC
IL
IH
OL
IK
OL
CC
I
= 64mA
±5%V
OL
CC
V
Input clamp voltage
V
CC
V
CC
V
CC
V
CC
= MIN, I = I
–0.73 –1.2
V
I
IK
I
I
I
Input current at maximum input voltage
High-level input current
= MAX, V = 7.0V
100
20
µA
µA
mA
I
I
= MAX, V = 2.7V
IH
IL
I
Low-level input current
= MAX, V = 0.5V
–1.0
I
I
I
I
20
50
30
55
25
55
30
70
40
80
37
80
mA
mA
mA
mA
mA
mA
CCH
74F756
I
CCL
CCH
I
Supply current (total)
74F757
74F760
V
CC
= MAX
CC
I
CCL
CCH
I
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
6
1989 Nov 27
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
AC ELECTRICAL CHARACTERISTICS
LIMITS
T
= +25°C
T
= 0°C to +70°C
= +5.0V ± 10%
CC
amb
amb
SYMBOL
PARAMETER
TEST
V
= +5.0V
V
UNIT
CC
CONDITION
C = 50pF, R = 500Ω
C = 50pF, R = 500Ω
L L
L
L
MIN
TYP
MAX
MIN
MAX
t
t
Propagation delay
Ian, Ibn to Yn
8.5
1.0
11.0
3.0
14.0
6.0
8.5
1.0
15.0
6.5
PLH
PHL
Waveform 1, 2
Waveform 1, 2
Waveform 1, 2
Waveform 1, 2
Waveform 1, 2
Waveform 1, 2
ns
ns
ns
ns
ns
ns
74F756
74F757
74F760
t
t
Propagation delay
OEn to Yn
9.0
5.0
11.5
7.0
14.5
10.0
9.0
4.5
15.0
10.5
PLH
PHL
t
t
Propagation delay
Ian, Ibn to Yn
7.5
3.0
10.5
5.5
13.5
8.5
7.5
3.0
14.0
9.0
PLH
PHL
t
t
Propagation delay
OEa or OEb to Yn
9.0
4.5
10.5
7.0
15.0
10.0
8.5
4.0
16.0
10.5
PLH
PHL
t
t
Propagation delay
Ian, Ibn to Yn
7.5
3.5
10.0
5.5
13.5
8.5
7.5
3.0
14.0
9.0
PLH
PHL
t
t
Propagation delay
OEn to Yn
9.5
5.0
11.5
7.0
14.5
10.5
9.0
4.5
15.0
10.5
PLH
PHL
AC WAVEFORMS
For all waveforms, V = 1.5V.
M
Ian, Ibn, OEn
V
V
M
M
Ian, Ibn,
OEa, OEb
V
V
t
M
M
t
t
PLH
PHL
t
PHL
PLH
Yn
V
V
M
M
Yn
V
V
M
M
SF01257
SF01256
Waveform 2. Propagation Delay for Non-invertIng Outputs
Waveform 1. Propagation Delay for Inverting Outputs
TYPICAL PROPAGATION DELAYS VERSUS LOAD FOR OPEN COLLECTOR OUTPUTS
18
16
14
t
PLH
12
10
8
PROPAGATION
DELAY (ns)
t
PHL
6
4
2
0
0
100
200
300
400
500
600
LOAD RESISTOR (W)
SF01258
NOTE:
When using open-collector parts, the value of the pull-up resistor greatly affects the value of the t
. For example, changing the pull-up resistor
PLH
value from 500W to 100W will improve the t
up to 50% with only slight increase in the t
. However, if the pull-up resistor is changed, the
PHL
PLH
user must make certain that the total I current through the resistor and the total I ’s of the receivers do not exceed the I maximum
OL
IL
OL
specification.
7
1989 Nov 27
Philips Semiconductors
Product specification
Buffers
74F756/74F757/74F760
TEST CIRCUIT AND WAVEFORMS
7.0V
R
V
CC
t
w
AMP (V)
0V
90%
90%
NEGATIVE
PULSE
V
V
M
M
L
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 Open Collector Outputs
DEFINITIONS:
10%
10%
t
w
R
L
C
L
R
T
=
=
=
Load resistor;
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.
Input Pulse Definition
of
INPUT PULSE REQUIREMENTS
OUT
family
V
M
rep. rate
t
w
t
t
THL
amplitude
TLH
2.5ns
2.5ns
74F
3.0V
1.5V
1MHz
500ns
SF00027
8
1989 Nov 27
Philips Semiconductors
Product specification
74F756, 74F757,
74F760
Buffers
DIP20: plastic dual in-line package; 20 leads (300 mil)
SOT146-1
9
1989 Nov 27
Philips Semiconductors
Product specification
74F756, 74F757,
74F760
Buffers
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
10
1989 Nov 27
Philips Semiconductors
Product specification
74F756, 74F757,
74F760
Buffers
NOTES
11
1989 Nov 27
Philips Semiconductors
Product specification
74F756, 74F757,
74F760
Buffers
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
9397-750-05176
Document order number:
Philips
Semiconductors
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