7LVC1284D [NXP]
3.3V Parallel printer interface transceiver/buffer; 3.3V并行打印机接口收发器/缓冲器
| 型号： | 7LVC1284D |
| 厂家： | 
NXP |
| 描述： | 3.3V Parallel printer interface transceiver/buffer |
| 文件： | 总10页 (文件大小：104K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
74LVC1284
3.3V Parallel printer interface
transceiver/buffer
Product specification
1995 Nov 10
IC24 Low Voltage Handbook
Philips
Semiconductors
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
FEATURES
• Asynchronous operation
DESCRIPTION
The 74LVC1284 parallel interface chip is designed to provide an
asynchronous, 4-bit, bi-directional, parallel printer interface for
personal computers. Three additional lines are included to provide
handshaking signals between the host and the peripheral. The part
is designed to match IEEE 1284 standard.
• 4-Bit transceivers
• 3 additional buffer/driver lines
• TTL compatible inputs
The 4 transceiver pins (A/B 1-4) allow data transmission from the A
bus to the B bus, or from the B bus to the A bus, depending on the
state of the direction pin DIR.
• ESD protection exceeds 1000V per MIL STD 883 Method 3015
and 200V per Machine Model
The B bus and the Y5-Y7 lines have totem pole or open drain style
outputs depending on the state of the high drive enable pin HD.
The A bus only has totem pole style outputs. All inputs are TTL
• Input Hysteresis
• Low Noise Operation
compatible with at least 300mV of input hysteresis at V = 3.3V.
CC
• Center Pin V & GND
CC
• IEEE 1284 Compliant Level 1 & 2
• Overvoltage Protection on B side
QUICK REFERENCE DATA
CONDITIONS
= 25°C; GND = 0V
SYMBOL
PARAMETER
TYPICAL
UNIT
T
amb
R
B/Y Side output resistance
B/Y Side slew rate
Total static current
Input hysteresis
V
CC
= 3.3V; V = 1.65V "0.2V (See Figure 2)
45
0.2
5
Ω
V/ns
µA
V
D
O
SR
R = 62Ω; C = 50pF (See Waveform 4)
L L
I
V = V /GND; I = 0
I CC O
CC
V
HYS
V
CC
= 3.3V
0.4
t
/t
Propagation delay
to the B/Y side outputs
PLH PHL
V
CC
= 3.3V
12.6/12.4
ns
A –B/Y
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
0°C to +70°C
ORDER CODE
DRAWING NUMBER
SOT163-1
20-pin plastic SO
7LVC1284 D
74LVC1284 DB
74LVC1284 PW
20-pin plastic SSOP Type II
20-pin plastic TSSOP Type I
0°C to +70°C
SOT339-1
0°C to +70°C
SOT360-1
PIN CONFIGURATION
LOGIC SYMBOL
A
A
B
B1
1
2
20
19
18
17
16
15
14
13
12
11
A1
A2
A1
B1
B2
B3
B4
V
3
A
B
B
A3
A2
B2
4
A4
5
GND
GND
A5
B
CC
A3
B3
6
V
CC
7
Y5
Y6
A
A4
B4
8
A6
9
A7
Y7
A
Y
10
A5
A6
Y5
DIR
HD
SK00001
A
A
Y
Y6
Y
A7
Y7
DIR
HD
SK00009
2
1995 Nov 10
853-1819 16000
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
PIN DESCRIPTION
FUNCTION TABLE
PIN NUMBER
SYMBOL
FUNCTION
INPUTS
OUTPUTS
INPUTS/OUTPUTS
1,2,3,4
A1 - A4
B1 - B4
Data inputs/outputs
DIR
L
HD
L
A5-7
L
Y5-7
L
A1-4
A = B
A = B
A = B
A = B
B1-4
Inputs
Inputs
Inputs
Inputs
IEEE 1284 Std.
outputs/inputs
20,19,18,17
L
L
H
Z
7,8,9
14,13,12
10
A5 - A7
Y5 - Y7
DIR
Data inputs
L
H
H
L
L
L
IEEE 1284 Std. outputs
Direction selection
L
H
H
L
H
H
H
H
L
Inputs Low Outputs Low
B/Y–side high drive
enable/disable
11
HD
L
H
Z
Inputs High
Inputs
Outputs Z
B = A
5,6
GND
Ground (0V)
H
H
L
L
15,16
V
CC
Positive supply voltage
H
H
Inputs
B = A
H = High Voltage
L = Low Voltage
Z = High Impedance, Off-State
1, 2
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
kV
V
ESD Immunity, per Mil Std 883C method 3015
DC supply voltage
"2
V
I
–0.5 to +4.6
"20
CC
DC input diode current
V < 0
I
mA
mA
V
IK
I
DC output diode current
V
O
< 0
"50
OK
3
V
IN
DC input voltage
–0.5 to +5.5
–0.5 to +5.5
–2 to +7
3
V
OUT
B/Y
DC output voltage on B/Y side
V
DC
4
V
B/Y (tr) Transient output voltage on B/Y side
40ns transient
V
OUT
V
A side
DC output voltage on A side
DC output current
–0.5 to V +0.5
V
OUT
CC
I
Outputs in High or Low state
"50
–60 to +150
"200
mA
°C
mA
O
T
Storage temperature range
stg
I
/I
Continuous current through V or GND
CC
CC GND
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
4. V
B/Y (tr) guarantees only that this part will not be damaged by reflections in application so long as the voltage levels remain in the
OUT
specified range.
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
UNIT
MIN
3.0
0
MAX
V
CC
DC supply voltage
3.6
V
V
V
I
Input voltage
V
CC
V
OUT
V
OUT
B/Y output voltage
–0.5
0
5.5
V
A side output voltage
V
CC
V
I
B/Y side output current High
B/Y side output current Low
Operating free-air temperature range
–14
mA
mA
°C
OH
I
14
OL
T
amb
0
+70
3
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
DC ELECTRICAL CHARACTERISTICS
LIMITS
T
amb
= 25°C
T
amb
= 0°C to +70°C
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
MIN
–0.2
TYP
MAX
MIN
V –0.2
CC
MAX
V
V
V
V
= Min to Max; I = –50µA
V
CC
V
CC
V
V
V
CC
CC
CC
CC
OH
An
High-level
= 3.0V; I = –4mA
2.4
2.4
V
OH
OH
Bn or Yn
= 3.0V; I = 14mA
2.2
2.4
2.1
OH
= Min to Max; I = 50µA;
OL
0.2
0.2
V
V = V or V
I
IL
IH
An
Low-level
output voltage
V
OL
V
CC
V
CC
V
CC
V
CC
V
CC
= 3.0V; I = 4mA; V = V or V
IH
0.4
0.8
0.8
0.4
0.9
0.8
V
V
OL
I
IL
Bn or Yn
= 3.0V; I = –14mA; V = V or V
OL I IL IH
V
IH
High-level input voltage
Low-level input voltage
Input Hysteresis
= Min to Max
V
IL
= Min to Max
= 3.3V
2.0
38
2.0
0.3
V
HYS
0.4
45
V
B/Y side Output
Impedance
R
See Figure 2
V = 3.6V; V = V or GND;
CC
53
35
55
Ω
D
Input leakage current
(A5-A7 DIR, HD)
O
CC
I
I
±1.0
±5.0
µA
µA
µA
µA
µA
Not for I/O pins
Input current for common
I/O pins
I
/I
V
CC
V
CC
V
CC
V
CC
= 3.6V;V = 5.5V or GND
"0.1 "15
IHZ ILZ
I
B/Y Side Power-off
leakage current
I
= 0.0V; V = 0 to 5.5V
±10
5
±100
20
OFF
OZH
O
3-State output High
current Yn
I
= 3.6V; V = V ; V = V or V
O CC I IL IH
3-State output Low
current Yn
I
= 3.6V; V = GND; V = V or V
IH
–5
–20
OZL
O
I
IL
I
+I
current (A1 – A4, Bn)
current (A1 – A4, Bn)
V
V
= 3.6V; V = V
CC
5
25
µA
µA
IH OZH
CC
I/O
I +I
= 3.6V; V = GND
–5
–25
IL OZL
CC
I/O
Quiescent Supply
Current
I
V
CC
= 3.6V; I = 0; V = GND or V
CC
5
10
50
µA
CC
O
I
AC CHARACTERISTICS
GND = 0V, t = t = 3.0ns, C = 50pF, R = 500Ω
R
F
L
L
LIMITS
T
V
= 25°C
= 3.3V
T
V
= 0 to + 70°C
= Min to Max
amb
CC
amb
CC
SYMBOL
PARAMETER
WAVEFORM
UNIT
MIN
TYP
0.2
MAX
MIN
MAX
SR
B-Side Slew Rate
4
5
0.05
0.35
0.05
0.4
V/ns
ns
t
t
Propagation delay
A toY or A to B
6.0
6.0
12.6
12.4
18.0
18.0
5.0
5.0
19.5
20.0
PLH
PHL
t
t
Propagation delay
B to A
1.5
1.5
5.5
5.6
7.9
7.6
1.5
1.5
9.5
9.0
PLH
PHL
1
2
2
2
2
2
2
ns
ns
ns
ns
ns
ns
ns
t
t
Output enable/disable time to/from High level
HD to Y or HD to B
4.0
2.0
12.0
6.5
16.0
9.1
4.0
2.0
20.0
11.0
PZH
PHZ
t
t
Output enable/disable time to/from Low level
A to Y or A to B
5.0
1.5
12.7
5.0
16.3
7.1
5.0
1.5
20.0
9.0
PZL
PLZ
t
t
Output enable time
from DIR to B
8.0
8.0
12.3
12.7
18.0
18.0
4.0
4.0
20.0
20.0
PZH
PZL
t
t
Output disable time
from DIR to B
5.0
6.0
8.9
9.1
12.5
12.0
2.0
2.0
14.5
14.0
PHZ
PLZ
t
t
Output enable time
from DIR to A
3.5
4.0
6.9
8.6
13.0
14.0
3.0
3.0
14.5
16.0
PZH
PZL
t
t
Output disable
from DIR to A
2.5
2.5
3.7
3.7
5.5
5.0
2.0
2.0
6.0
5.5
PHZ
PLZ
4
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
AC WAVEFORMS
V
V
V
V
= 1.5V
M
= V "0.3V
X
OL
= V –0.3V
Y
OH
and V are the typical output voltage drops that occur with the
OL
OH
output load. (V never goes below 3.0V).
CC
V = 2.7V
2.4V
0.4V
V
INPUTS
GND
INPUT
M
1.4V
1.4V
t
t
PLH
PHL
t
t
PLH
PHL
V
V
OH
OUT
OUTPUTS
OUTPUT
V
M
1.4V
V
–1.4V
OUT
V
OL
SY00001
SY00008
Waveform 1. Input Bn to output An propagation delays
Waveform 3. Voltage Waveforms Propagation Delay Times
(A To B) Measured at Output Pin
2.4V
DIR
to A
V
t
M
INPUT
0.4V
t
PZL
PLZ
DIR
to B
V
2.4V
M
0.9V
1.9V
0.4V
OUTPUT
t1 t2
t1 t2
HD
to B
V
M
SY00007
V
CC
Waveform 4. Slew Rate Waveforms Voltage Waveforms
(Input pulse rise and fall time are 3ns, 150ns t pulse width t10 µs,
for both a Low to High and a High to Low transition.)
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
M
V
X
V
OL
Slew Rate measured between 0.4V and 0.9V - rising.
t
PZH
Slew Rate measured between 2.4V and 1.9V - falling.
Slew Rate measured at TP1.
t
PHZ
V
OH
V
Y
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
V
M
outputs
enabled
outputs
disabled
outputs
enabled
SY00002
Waveform 2. 3-State enable and disable times
5
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
V
CC
SWITCH POSITION
Bn or Yn Outputs
V
CC
V
V
OUT
IN
50pF
D.U.T.
S
PULSE
GENERATOR
1
TEST
SWITCH
t
GND
R
T
PLH
GND
PLH PHL
t
V
CC
PHL
R
= 500Ω t
/
L
Ω
= 62 for SR test
Test Circuit for B or Y Outputs
n
n
t
W
V
CC
AMP (V)
90%
90%
V
M
V
M
NEGATIVE
PULSE
V
V
OUT
IN
10%
10%
PULSE
GENERATOR
0V
D.U.T
t
(t )
f
t
(t )
f
THL
THL
R
T
R
L
C
L
t
(t )
r
t
(t )
r
TLH
90%
TLH
AMP (V)
90%
POSITIVE
PULSE
Test Circuit for A Outputs
V
V
M
n
M
10%
10%
t
W
0V
V
M
= 1.5V
Input Pulse Definition
DEFINITIONS
C = Load capacitance includes jig and probe capacitance;
L
INPUT PULSE REQUIREMENTS
see AC CHARACTERISTICS for value.
FAMILY
R = Load resistor; see AC CHARACTERISTICS for value.
L
Amplitude
Rep. Rate
t
W
t
r
t
f
R = Termination resistance should be equal to Z
T
of
OUT
pulse generators.
74LVC
3.0V
1MHz
500ns
3ns
3ns
SY00004
Waveform 5.
TEST CIRCUIT
S
1
2 x V
Open
CC
V
CC
GND
V
CC
500Ω
V
V
O
I
PULSE
GENERATOR
D.U.T.
I
O
50pF
C
L
R
T
500Ω
V
/2
D.U.T.
CC
Test
/t
S
1
V
V
CC
I
t
Open
PLH PHL
I
is measured by forcing V /2 on the output. RD can then
CC
O
t 2.7V
2.7V – 3.6V
V
t
/t
2 x V
CC
CC
PLZ PZL
be calculated using the equation RD = V /2 ť I ť.
CC
O
2.7V
t
/t
GND
PHZ PZH
SY00003
SY00005
Figure 1. Load Circuitry for Bn to An Switching Times
Figure 2. Output Impedance RD
6
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
7
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
SOT339-1
8
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
9
1995 Nov 10
Philips Semiconductors
Product specification
3.3V Parallel printer interface transceiver/buffer
74LVC1284
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
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
Production
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: 05-96
9397-750-04523
Document order number:
Philips
Semiconductors
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