PHILIPS PCA82C251T

INTEGRATED CIRCUITS
DATA SHEET
PCA82C251
CAN transceiver for 24 V systems
Product specification
Supersedes data of 1997 Mar 14
File under Integrated Circuits, IC18
2000 Jan 13
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
FEATURES
GENERAL DESCRIPTION
• Fully compatible with the “ISO 11898-24 V” standard
The PCA82C251 is the interface between the CAN
protocol controller and the physical bus. It is primarily
intended for applications (up to 1 Mbaud) in trucks and
buses. The device provides differential transmit capability
to the bus and differential receive capability to the CAN
controller.
• Slope control to reduce RFI
• Thermally protected
• Short-circuit proof to battery and ground in 24 V
powered systems
• Low-current standby mode
• An unpowered node does not disturb the bus lines
• At least 110 nodes can be connected
• High speed (up to 1 Mbaud)
• High immunity against electromagnetic interference.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCC
supply voltage
ICC
supply current
1/tbit
maximum transmission speed
VCAN
CANH, CANL input/output voltage
Vdiff
differential bus voltage
1.5
3.0
V
Tamb
ambient temperature
−40
+125
°C
4.5
5.5
V
standby mode
−
275
µA
non-return-to-zero
1
−
Mbaud
−36
+36
V
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
CODE
PCA82C251
DIP8
plastic dual in-line package; 8 leads (300 mil)
SOT97-1
PCA82C251T
SO8
plastic small outline package; 8 leads body width 3.9 mm
SOT96-1
PCA82C251U
−
2000 Jan 13
bare die; 2840 × 1780 × 380 µm
2
−
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
BLOCK DIAGRAM
VCC
handbook, full pagewidth
3
1
PROTECTION
TXD
DRIVER
8
SLOPE/
STANDBY
Rs
7
4
CANH
RXD
CANL
6
RECEIVER
Vref
5
REFERENCE
VOLTAGE
PCA82C251
2
MBG613
GND
Fig.1 Block diagram.
PINNING
SYMBOL
PIN
DESCRIPTION
TXD
1
transmit data input
GND
2
ground
VCC
3
supply voltage
RXD
4
receive data output
Vref
5
reference voltage output
CANL
6
LOW-level CAN voltage
input/output
CANH
7
HIGH-level CAN voltage
input/output
Rs
8
slope resistor input
2000 Jan 13
handbook, halfpage
TXD
1
GND
2
8
Rs
7
CANH
PCA82C251
VCC
3
6
CANL
RXD
4
5
Vref
MBG612
Fig.2 Pin configuration.
3
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
FUNCTIONAL DESCRIPTION
Pin 8 (Rs) allows three different modes of operation to be
selected: high-speed, slope control or standby.
The PCA82C251 is the interface between the CAN
protocol controller and the physical bus. It is primarily
intended for applications up to 1 Mbaud in trucks and
buses. The device provides differential transmit capability
to the bus and differential receive capability to the CAN
controller. It is fully compatible with the “ISO 11898-24 V”
standard.
For high-speed operation, the transmitter output
transistors are simply switched on and off as fast as
possible. In this mode, no measures are taken to limit the
rise and fall slope. Use of a shielded cable is
recommended to avoid RFI problems. The high-speed
mode is selected by connecting pin 8 to ground.
A current limiting circuit protects the transmitter output
stage against short-circuit to positive and negative battery
voltage. Although the power dissipation is increased
during this fault condition, this feature will prevent
destruction of the transmitter output stage.
The slope control mode allows the use of an unshielded
twisted pair or a parallel pair of wires as bus lines.
To reduce RFI, the rise and fall slope should be limited.
The rise and fall slope can be programmed with a resistor
connected from pin 8 to ground. The slope is proportional
to the current output at pin 8.
If the junction temperature exceeds a value of
approximately 160 °C, the limiting current of both
transmitter outputs is decreased. Because the transmitter
is responsible for the major part of the power dissipation,
this will result in a reduced power dissipation and hence a
lower chip temperature. All other parts of the IC will remain
operating. The thermal protection is particularly needed
when a bus line is short-circuited.
If a HIGH level is applied to pin 8, the circuit enters a low
current standby mode. In this mode, the transmitter is
switched off and the receiver is switched to a low current.
If dominant bits are detected (differential bus voltage
>0.9 V), RXD will be switched to a LOW level.
The microcontroller should react to this condition by
switching the transceiver back to normal operation
(via pin 8). Because the receiver is slower in standby
mode, the first message will be lost at higher bit rates.
The CANH and CANL lines are also protected against
electrical transients which may occur in an automotive
environment.
Table 1
Truth table of the CAN transceiver
VCC
TXD
CANH
CANL
BUS STATE
RXD
4.5 to 5.5 V
0
HIGH
LOW
dominant
0
4.5 to 5.5 V
1 (or floating)
floating
floating
recessive
1(2)
4.5 < VCC < 5.5 V
X(1)
floating if
VRs > 0.75VCC
floating if
VRs > 0.75VCC
floating
1(2)
0 < VCC < 4.5 V
floating
floating
floating
floating
X(1)
Notes
1. X = don’t care.
2. If another bus node is transmitting a dominant bit, then RXD is logic 0.
Table 2
Pin Rs summary
CONDITION FORCED AT PIN Rs
MODE
RESULTING VOLTAGE OR CURRENT AT PIN Rs
VRs > 0.75VCC
standby
−IRs < 10 µA
10 µA < −IRs < 200 µA
slope control
0.4VCC < VRs < 0.6VCC
VRs < 0.3VCC
high-speed
−IRs < 500 µA
2000 Jan 13
4
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134); all voltages are referenced to pin 2;
positive input current.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCC
supply voltage
−0.3
+7.0
Vn
DC voltage at pins 1, 4, 5 and 8
−0.3
VCC + 0.3 V
V6
DC voltage at pin 6 (CANL)
0 V < VCC < 5.5 V; TXD HIGH
or floating
−36
+36
V
0 V < VCC < 5.5 V; no time
limit; note 1
−36
+36
V
0 V < VCC < 5.5 V; no time
limit; note 2
−36
+36
V
0 V < VCC < 5.5 V; no time limit −36
V
V7
DC voltage at pin 7 (CANH)
+36
V
Vtr
transient voltage on pins 6 and 7 see Fig.8
−200
+200
V
Tstg
storage temperature
−55
+150
°C
Tamb
ambient temperature
−40
+125
°C
Tvj
virtual junction temperature
note 3
−40
+150
°C
Vesd
electrostatic discharge voltage
note 4
−2500
+2500
V
note 5
−250
+250
V
Notes
1. TXD is LOW. Short-circuit protection provided for slew rates up to 5 V/µs for voltages above +30 V.
2. Short-circuit applied when TXD is HIGH, followed by TXD switched to LOW.
3. In accordance with “IEC 60747-1”. An alternative definition of virtual junction temperature is:
Tvj = Tamb + Pd × Rth(vj-a), where Rth(vj-a) is a fixed value to be used for the calculation of Tvj. The rating for Tvj limits
the allowable combinations of power dissipation (Pd) and ambient temperature (Tamb).
4. Classification A: human body model; C = 100 pF; R = 1500 Ω; V = ±2500 V.
5. Classification B: machine model; C = 200 pF; R = 0 Ω; V = ±250 V.
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
CONDITIONS
VALUE
UNIT
PCA82C251
100
K/W
PCA82C251T
160
K/W
thermal resistance from junction to ambient
QUALITY SPECIFICATION
According to “SNW-FQ-611 part E”.
2000 Jan 13
5
in free air
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
CHARACTERISTICS
VCC = 4.5 to 5.5 V; Tamb = −40 to + 125 °C; RL = 60 Ω; I8 > −10 µA; unless otherwise specified; all voltages referenced
to ground (pin 2); positive input current; all parameters are guaranteed over the ambient temperature range by design,
but only 100% tested at +25 °C.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
I3
supply current
dominant; V1 = 1 V;
VCC < 5.1 V
−
−
78
mA
dominant; V1 = 1 V;
VCC < 5.25 V
−
−
80
mA
dominant; V1 = 1 V;
VCC < 5.5 V
−
−
85
mA
recessive; V1 = 4 V;
R8 = 47 kΩ
−
−
10
mA
standby; note 1
−
−
275
µA
DC bus transmitter
VIH
HIGH-level input voltage
output recessive
0.7VCC
−
VCC + 0.3 V
VIL
LOW-level input voltage
output dominant
−0.3
−
0.3VCC
V
IIH
HIGH-level input current
V1 = 4 V
−200
−
+30
µA
IIL
LOW-level input current
V1 = 1 V
−100
−
−600
µA
V6, 7
recessive bus voltage
V1 = 4 V; no load
2.0
−
3.0
V
ILO
off-state output leakage
current
−2 V< (V6, V7) < 7 V
−2
−
+2
mA
−5 V< (V6, V7) < 36 V
−10
−
+10
mA
V7
CANH output voltage
V1 = 1 V; VCC = 4.75 to 5.5 V
3.0
−
4.5
V
V1 = 1 V; VCC = 4.5 to 4.75 V
2.75
−
4.5
V
V6
CANL output voltage
V1 = 1 V
0.5
−
2.0
V
∆V6,7
difference between output
voltage at pins 6 and 7
V1 = 1 V
1.5
−
3.0
V
V1 = 1 V; RL = 45 Ω
1.5
−
−
V
V1 = 4 V; no load
−500
−
+50
mV
Isc7
Isc6
short-circuit CANH current
short-circuit CANL current
V7 = −5 V
−
−
−200
mA
V7 = −36 V
−
−100
−
mA
V6 = 36 V
−
−
200
mA
DC bus receiver [V1 = 4 V; pins 6 and 7 externally driven; −2 V < (V6, V7) < 7 V; unless otherwise specified]
Vdiff(r)
Vdiff(d)
Vdiff(hys)
2000 Jan 13
differential input voltage
(recessive)
differential input voltage
(dominant)
−1.0
−
+0.5
V
−7 V < (V6, V7) < 12 V; note 2 −1.0
−
+0.4
V
0.9
−
5.0
V
−7 V < (V6, V7) < 12 V; not
standby mode
1.0
−
5.0
V
standby mode
0.97
−
5.0
V
standby mode;
VCC = 4.5 to 5.10 V
0.91
−
5.0
V
−
150
−
mV
note 2
differential input hysteresis see Fig.5
6
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
SYMBOL
PARAMETER
PCA82C251
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VOH
HIGH-level output voltage
(pin 4)
I4 = −100 µA
0.8VCC
−
VCC
VOL
LOW-level output voltage
(pin 4)
I4 = 1 mA
0
−
0.2VCC
V
I4 = 10 mA
0
−
1.5
V
V
Ri
CANH, CANL input
resistance
5
−
25
kΩ
Rdiff
differential input resistance
20
−
100
kΩ
V8 = 1 V; I5 < 50 µA
0.45VCC
−
0.55VCC
V
V8 = 4 V; I5 < 5 µA
0.4VCC
−
0.6VCC
V
1
µs
Reference output
Vref
reference output voltage
Timing (RL = 60 Ω; CL = 100 pF; unless otherwise specified. See Figs 3 and 4)
tbit
minimum bit time
R8 = 0 Ω
−
−
tonTXD
delay TXD to bus active
R8 = 0 Ω
−
−
50
ns
toffTXD
delay TXD to bus inactive
R8 = 0 Ω
−
40
80
ns
tonRXD
delay TXD to receiver
active
R8 = 0 Ω
−
55
120
ns
toffRXD
delay TXD to receiver
inactive
R8 = 0 Ω; Tamb < +85 °C;
VCC = 4.5 to 5.1 V
−
80
150
ns
R8 = 0 Ω; VCC = 4.5 to 5.1 V
−
80
170
ns
R8 = 0 Ω; Tamb < +85 °C
−
90
170
ns
R8 = 0 Ω
−
90
190
ns
R8 = 47 kΩ
−
290
400
ns
tonRXD
delay TXD to receiver
active
R8 = 47 kΩ
−
440
550
ns
SR
CANH, CANL slew rate
R8 = 47 kΩ
−
7
−
V/µs
tWAKE
wake-up time from standby see Fig.6
(via pin 8)
−
−
20
µs
tdRXDL
bus dominant to RXD LOW V8 = 4 V; see Fig.7
−
−
3
µs
Standby/slope control (pin 8)
Vstb
input voltage for standby
mode
0.75VCC
−
−
V
Islope
slope control mode current
−10
−
−200
µA
Vslope
slope control mode voltage
0.4VCC
−
0.6VCC
V
Notes
1. I1 = I4 = I5 = 0 mA; 0 V < V6 < VCC; 0 V < V7 < VCC; V8 = VCC; Tamb < 90 °C.
2. This is valid for the receiver in all modes: high-speed, slope control and standby.
2000 Jan 13
7
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
TEST AND APPLICATION INFORMATION
100 nF
handbook, full pagewidth
+5 V
VCC
TXD
Vref
RXD
3
1
7
60 Ω
PCA82C251
5
6
4
2
CANH
100 pF
CANL
8
GND
Rs
30 pF
MBG614
Fig.3 Test circuit for dynamic characteristics.
VCC
handbook, full pagewidth
VTXD
0V
0.9 V
Vdiff
0.5 V
0.7VCC
VRXD
0.3VCC
toffTXD
tonTXD
toffRXD
tonRXD
Fig.4 Timing diagram for dynamic characteristics.
2000 Jan 13
8
MBG615
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
handbook, full pagewidth
PCA82C251
MBG616
VRXD
HIGH
LOW
hysteresis
0.5
0.9
Vdiff (V)
Fig.5 Hysteresis.
VCC
handbook, full pagewidth
VRs
0V
VRXD
tWAKE
MBG617
VTXD = 1 V.
Fig.6 Timing diagram for wake up from standby.
1.5 V
handbook, full pagewidth
Vdiff
0V
VRXD
tdRXDL
VRs = 4 V; VTXD = 4 V.
Fig.7 Timing diagram for bus dominant to RXD low.
2000 Jan 13
9
MBG618
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
100 nF
handbook, full pagewidth
+5 V
VCC
TXD
Vref
RXD
3
1
7
6
4
2
CANL
8
GND
SCHAFFNER
GENERATOR
60 Ω
PCA82C251
5
500 pF
CANH
500 pF
MBG619
Rs
47 kΩ
The waveforms of the applied transients shall be in accordance with “ISO 7637 part 1”, test pulses 1, 2, 3a and 3b.
Fig.8 Test circuit for automotive transients.
handbook, full pagewidth
P8xC592
CAN-CONTROLLER
CTX0 CRX0 CRX1 PX,Y
Rext
TXD
RXD
Vref
+5 V
Rs
VCC
PCA82C251
CAN-TRANSCEIVER
CANH
120 Ω
100 nF
GND
CANL
CAN BUS
LINE
120 Ω
MBG620
(1) The output control register of the P8xC592 should be programmed to 1AH (push-pull operation, dominant = LOW).
(2) If no slope control is desired: Rext = 0.
Fig.9 Application of the PCA82C251 CAN Transceiver.
2000 Jan 13
10
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
BONDING PAD LOCATIONS
COORDINATES(1)
SYMBOL
PAD
TXD
1
x
y
196
137
GND
2
1080
137
VCC
3
1567
137
RXD
4
2644
137
Vref
5
2644
1644
CANL
6
1490
1644
CANH
7
748
1644
Rs
8
200
1610
Note
Vref
8
CANL
Rs
handbook, full pagewidth
CANH
1. All coordinates (µm) represent the position of the centre of each pad with respect to the bottom left-hand corner of
the die (x/y = 0).
7
6
5
1.78
mm
3
4
VCC
RXD
0
2
GND
0
1
TXD
x
PCA82C251U
y
2.84 mm
Fig.10 Bonding pad locations.
2000 Jan 13
11
MGL944
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
PACKAGE OUTLINES
DIP8: plastic dual in-line package; 8 leads (300 mil)
SOT97-1
ME
seating plane
D
A2
A
A1
L
c
Z
w M
b1
e
(e 1)
b
MH
b2
5
8
pin 1 index
E
1
4
0
5
10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
min.
A2
max.
b
b1
b2
c
D (1)
E (1)
e
e1
L
ME
MH
w
Z (1)
max.
mm
4.2
0.51
3.2
1.73
1.14
0.53
0.38
1.07
0.89
0.36
0.23
9.8
9.2
6.48
6.20
2.54
7.62
3.60
3.05
8.25
7.80
10.0
8.3
0.254
1.15
inches
0.17
0.020
0.13
0.068
0.045
0.021
0.015
0.042
0.035
0.014
0.009
0.39
0.36
0.26
0.24
0.10
0.30
0.14
0.12
0.32
0.31
0.39
0.33
0.01
0.045
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
EIAJ
SOT97-1
050G01
MO-001
SC-504-8
2000 Jan 13
12
EUROPEAN
PROJECTION
ISSUE DATE
95-02-04
99-12-27
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
SO8: plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
D
E
A
X
c
y
HE
v M A
Z
5
8
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
1
L
4
e
detail X
w M
bp
0
2.5
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (2)
e
HE
L
Lp
Q
v
w
y
Z (1)
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
5.0
4.8
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25
0.25
0.1
0.7
0.3
0.01
0.019 0.0100
0.014 0.0075
0.20
0.19
0.16
0.15
0.244
0.039 0.028
0.050
0.041
0.228
0.016 0.024
inches
0.010 0.057
0.069
0.004 0.049
0.01
0.01
0.028
0.004
0.012
θ
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT96-1
076E03
MS-012
2000 Jan 13
EIAJ
EUROPEAN
PROJECTION
ISSUE DATE
97-05-22
99-12-27
13
o
8
0o
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
Typical reflow peak temperatures range from
215 to 250 °C. The top-surface temperature of the
packages should preferable be kept below 230 °C.
SOLDERING
Introduction
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “Data Handbook IC26; Integrated Circuit Packages”
(document order number 9398 652 90011).
WAVE SOLDERING
Conventional single wave soldering is not recommended
for surface mount devices (SMDs) or printed-circuit boards
with a high component density, as solder bridging and
non-wetting can present major problems.
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mount components are mixed on
one printed-circuit board. However, wave soldering is not
always suitable for surface mount ICs, or for printed-circuit
boards with high population densities. In these situations
reflow soldering is often used.
To overcome these problems the double-wave soldering
method was specifically developed.
If wave soldering is used the following conditions must be
observed for optimal results:
• Use a double-wave soldering method comprising a
turbulent wave with high upward pressure followed by a
smooth laminar wave.
Through-hole mount packages
SOLDERING BY DIPPING OR BY SOLDER WAVE
• For packages with leads on two sides and a pitch (e):
The maximum permissible temperature of the solder is
260 °C; solder at this temperature must not be in contact
with the joints for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.
– larger than or equal to 1.27 mm, the footprint
longitudinal axis is preferred to be parallel to the
transport direction of the printed-circuit board;
– smaller than 1.27 mm, the footprint longitudinal axis
must be parallel to the transport direction of the
printed-circuit board.
The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified maximum storage temperature (Tstg(max)). If the
printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.
The footprint must incorporate solder thieves at the
downstream end.
• For packages with leads on four sides, the footprint must
be placed at a 45° angle to the transport direction of the
printed-circuit board. The footprint must incorporate
solder thieves downstream and at the side corners.
MANUAL SOLDERING
Apply the soldering iron (24 V or less) to the lead(s) of the
package, either below the seating plane or not more than
2 mm above it. If the temperature of the soldering iron bit
is less than 300 °C it may remain in contact for up to
10 seconds. If the bit temperature is between
300 and 400 °C, contact may be up to 5 seconds.
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Typical dwell time is 4 seconds at 250 °C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Surface mount packages
REFLOW SOLDERING
MANUAL SOLDERING
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
Fix the component by first soldering two
diagonally-opposite end leads. Use a low voltage (24 V or
less) soldering iron applied to the flat part of the lead.
Contact time must be limited to 10 seconds at up to
300 °C.
Several methods exist for reflowing; for example,
infrared/convection heating in a conveyor type oven.
Throughput times (preheating, soldering and cooling) vary
between 100 and 200 seconds depending on heating
method.
2000 Jan 13
When using a dedicated tool, all other leads can be
soldered in one operation within 2 to 5 seconds between
270 and 320 °C.
14
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
Suitability of IC packages for wave, reflow and dipping soldering methods
SOLDERING METHOD
MOUNTING
PACKAGE
WAVE
suitable(2)
Through-hole mount DBS, DIP, HDIP, SDIP, SIL
Surface mount
REFLOW(1) DIPPING
−
suitable
BGA, LFBGA, SQFP, TFBGA
not suitable
suitable
−
HBCC, HLQFP, HSQFP, HSOP, HTQFP,
HTSSOP, SMS
not suitable(3)
suitable
−
PLCC(4), SO, SOJ
suitable
suitable
−
suitable
−
suitable
−
recommended(4)(5)
LQFP, QFP, TQFP
not
SSOP, TSSOP, VSO
not recommended(6)
Notes
1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum
temperature (with respect to time) and body size of the package, there is a risk that internal or external package
cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the
Drypack information in the “Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods”.
2. For SDIP packages, the longitudinal axis must be parallel to the transport direction of the printed-circuit board.
3. These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink
(at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version).
4. If wave soldering is considered, then the package must be placed at a 45° angle to the solder wave direction.
The package footprint must incorporate solder thieves downstream and at the side corners.
5. Wave soldering is only suitable for LQFP, QFP and TQFP packages with a pitch (e) equal to or larger than 0.8 mm;
it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm.
6. Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is
definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm.
2000 Jan 13
15
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
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
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
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 customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
BARE DIE DISCLAIMER
All die are tested and are guaranteed to comply with all data sheet limits up to the point of wafer sawing for a period of
ninety (90) days from the date of Philips’ delivery. If there are data sheet limits not guaranteed, these will be separately
indicated in the data sheet. There are no post packing tests performed on individual die or wafer. Philips Semiconductors
has no control of third party procedures in the sawing, handling, packing or assembly of the die. Accordingly, Philips
Semiconductors assumes no liability for device functionality or performance of the die or systems after third party sawing,
handling, packing or assembly of the die. It is the responsibility of the customer to test and qualify their application in
which the die is used.
2000 Jan 13
16
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
NOTES
2000 Jan 13
17
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
NOTES
2000 Jan 13
18
Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
NOTES
2000 Jan 13
19
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For all other countries apply to: Philips Semiconductors,
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Internet: http://www.semiconductors.philips.com
SCA 69
© Philips Electronics N.V. 2000
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
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under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
285002/03/pp20
Date of release: 2000
Jan 13
Document order number:
9397 750 06611