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74LVC1284PW,118

P1-P3P4-P6P7-P9P10-P10
Philips Semiconductors Product specification
74LVC12843.3V Parallel printer interface transceiver/buffer
1995 Nov 10
4
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL PARAMETER TEST CONDITIONS
T
amb
= 25°C T
amb
= 0°C to +70°C
UNIT
MIN TYP MAX MIN MAX
High level
An
V
CC
= Min to Max; I
OH
= –50µA V
CC
–0.2 V
CC
V
CC
–0.2 V
V
OH
Hi
g
h
-
l
eve
l
out
p
ut voltage
An
V
CC
= 3.0V; I
OH
= –4mA 2.4 2.4 V
out ut
voltage
Bn or Yn V
CC
= 3.0V; I
OH
= 14mA 2.2 2.4 2.1 V
V
Low
-
level
An
V
CC
= Min to Max; I
OL
= 50µA;
V
I
= V
IL
or V
IH
0.2 0.2 V
V
OL
Low level
output voltage
V
CC
= 3.0V; I
OL
= 4mA; V
I
= V
IL
or V
IH
0.4 0.4 V
Bn or Yn V
CC
= 3.0V; I
OL
= –14mA; V
I
= V
IL
or V
IH
0.8 0.9 V
V
IH
High-level input voltage V
CC
= Min to Max 0.8 0.8
V
IL
Low-level input voltage V
CC
= Min to Max 2.0 2.0
V
HYS
Input Hysteresis V
CC
= 3.3V 0.4 0.3 V
R
D
B/Y side Output
Impedance
See Figure 2 38 45 53 35 55 Ω
I
I
Input leakage current
(A5-A7 DIR, HD)
V
CC
= 3.6V; V
O
= V
CC
or GND;
Not for I/O pins
±1.0 ±5.0 µA
I
IHZ
/I
ILZ
Input current for common
I/O pins
V
CC
= 3.6V;V
I
= 5.5V or GND 0.1 15 µA
I
OFF
B/Y Side Power-off
leakage current
V
CC
= 0.0V; V
O
= 0 to 5.5V ±10 ±100 µA
I
OZH
3-State output High
current Yn
V
CC
= 3.6V; V
O
= V
CC
; V
I
= V
IL
or V
IH
5 20 µA
I
OZL
3-State output Low
current Yn
V
CC
= 3.6V; V
O
= GND; V
I
= V
IL
or V
IH
–5 –20 µA
I
IH
+I
OZH
current (A1 – A4, Bn) V
CC
= 3.6V; V
I/O
= V
CC
5 25 µA
I
IL
+I
OZL
current (A1 – A4, Bn) V
CC
= 3.6V; V
I/O
= GND –5 –25 µA
I
CC
Quiescent Supply
Current
V
CC
= 3.6V; I
O
= 0; V
I
= GND or V
CC
5 10 50 µA
AC CHARACTERISTICS
GND = 0V, t
R
= t
F
= 3.0ns, C
L
= 50pF, R
L
= 500Ω
LIMITS
SYMBOL PARAMETER WAVEFORM
T
amb
= 25°C
V
CC
= 3.3V
T
amb
= 0 to + 70°C
V
CC
= Min to Max
UNIT
MIN TYP MAX MIN MAX
SR B-Side Slew Rate 4 0.05 0.2 0.35 0.05 0.4 V/ns
t
PLH
t
PHL
Propagation delay
A toY or A to B
5
6.0
6.0
12.6
12.4
18.0
18.0
5.0
5.0
19.5
20.0
ns
t
PLH
t
PHL
Propagation delay
B to A
1
1.5
1.5
5.5
5.6
7.9
7.6
1.5
1.5
9.5
9.0
ns
t
PZH
t
PHZ
Output enable/disable time to/from High level
HD to Y or HD to B
2
4.0
2.0
12.0
6.5
16.0
9.1
4.0
2.0
20.0
11.0
ns
t
PZL
t
PLZ
Output enable/disable time to/from Low level
A to Y or A to B
2
5.0
1.5
12.7
5.0
16.3
7.1
5.0
1.5
20.0
9.0
ns
t
PZH
t
PZL
Output enable time
from DIR to B
2
8.0
8.0
12.3
12.7
18.0
18.0
4.0
4.0
20.0
20.0
ns
t
PHZ
t
PLZ
Output disable time
from DIR to B
2
5.0
6.0
8.9
9.1
12.5
12.0
2.0
2.0
14.5
14.0
ns
t
PZH
t
PZL
Output enable time
from DIR to A
2
3.5
4.0
6.9
8.6
13.0
14.0
3.0
3.0
14.5
16.0
ns
t
PHZ
t
PLZ
Output disable
from DIR to A
2
2.5
2.5
3.7
3.7
5.5
5.0
2.0
2.0
6.0
5.5
ns
Philips Semiconductors Product specification
74LVC12843.3V Parallel printer interface transceiver/buffer
1995 Nov 10
5
AC WAVEFORMS
V
M
= 1.5V
V
X
= V
OL
"0.3V
V
Y
= V
OH
–0.3V
V
OL
and V
OH
are the typical output voltage drops that occur with the
output load. (V
CC
never goes below 3.0V).
V
M
t
PLH
t
PHL
V
OH
V
OL
SY00001
V
M
INPUTS
GND
OUTPUTS
V = 2.7V
Waveform 1. Input Bn to output An propagation delays
V
CC
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
t
PZH
V
M
V
M
V
M
V
M
V
M
t
PZL
t
PHZ
t
PLZ
outputs
enabled
outputs
disabled
outputs
enabled
DIR
to A
DIR
to B
HD
to B
V
X
V
Y
SY00002
Waveform 2. 3-State enable and disable times
t
PLH
t
PHL
SY00008
INPUT
OUTPUT
2.4V
1.4V
0.4V
V
OUT
V
OUT
–1.4V1.4V
1.4V
Waveform 3. Voltage Waveforms Propagation Delay Times
(A To B) Measured at Output Pin
0.4V
2.4V
0.9V
0.4V
t1 t2 t1 t2
2.4V
1.9V
INPUT
OUTPUT
SY00007
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.)
Slew Rate measured between 0.4V and 0.9V - rising.
Slew Rate measured between 2.4V and 1.9V - falling.
Slew Rate measured at TP1.
Philips Semiconductors Product specification
74LVC12843.3V Parallel printer interface transceiver/buffer
1995 Nov 10
6
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
50pF
V
CC
Test Circuit for B
n
or Y
n
Outputs
GND
V
CC
R
L
= 500Ω t
PLH
/
PHL
=
62
Ω
for
SR
test
PULSE
GENERATOR
R
T
V
IN
D.U.T
V
OUT
R
L
V
CC
Test Circuit for A
n
Outputs
V
M
NEGATIVE
PULSE
90%
t
W
POSITIVE
PULSE
10%
V
M
= 1.5V
Input Pulse Definition
74LVC
SY00004
S
1
C
L
t
W
10%
t
THL
(t
f
)
t
TLH
(t
r
)
90%
V
M
10%
V
M
90%
t
THL
(t
f
)
t
TLH
(t
r
)
AMP
(V)
0V
AMP
(V)
0V
V
M
10%
90%
SWITCH POSITION
Bn or Yn Outputs
TEST SWITCH
t
PLH
GND
t
PHL
V
CC
DEFINITIONS
R
L
= Load resistor; see AC CHARACTERISTICS for value.
C
L
= Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
R
T
= Termination resistance should be equal to Z
OUT
of
pulse generators.
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude Rep. Rate t
W
t
r
t
f
3.0V 1MHz 500ns 3ns 3ns
Waveform 5.
PULSE
GENERATOR
V
I
R
T
D.U.T.
V
O
C
L
50pF
S
1
2 x V
CC
Open
GND
500Ω
500Ω
V
CC
V
I
t 2.7V V
CC
2.7V – 3.6V 2.7V
Test S
1
GND
t
PLZ
/t
PZL
2 x V
CC
t
PHZ
/t
PZH
t
PLH
/t
PHL
Open
SY00003
V
CC
Figure 1. Load Circuitry for Bn to An Switching Times
TEST CIRCUIT
D.U.T.
V
CC
I
O
V
CC
/2
I
O
is measured by forcing V
CC
/2 on the output. RD can then
be calculated using the equation RD = V
CC
/2 ť I
O
ť.
SY00005
Figure 2. Output Impedance RD
P1-P3P4-P6P7-P9P10-P10

74LVC1284PW,118

Mfr. #:
Buy 74LVC1284PW,118
Manufacturer:
NXP Semiconductors
Description:
IC PRNTR INTFC TXRX/BUFF 20TSSOP
Lifecycle:
New from this manufacturer.
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