mc145406d NXP Semiconductors, mc145406d Datasheet
mc145406d
Manufacturer Part Number
mc145406d
Description
Mc145406 Eia-232-d/v.28 Driver/receiver
Manufacturer
NXP Semiconductors
Datasheet
1.MC145406D.pdf
(5 pages)
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Philips Semiconductors Linear Products
DESCRIPTION
The MC145406 is a silicon-gate CMOS IC that combines 3 drivers
and 3 receivers to fulfill the electrical specifications of standards
EIA-232-D and CCITT V.28. The drivers feature true TTL input
compatibility, slew-rate limited output, 300
impedance, and output typically switching to within 25% of the
supply rails. The receivers can handle up to +25V while presenting
3 to 7k impedance. Hysteresis in the receiver aids reception of
noisy signals. By combining both drivers and receivers in a single
CMOS chip, the MC145406 provides efficient, low-power solutions
for EIA-232-D and V.28 applications.
APPLICATIONS
FEATURES
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
NOTE: This device contains protection circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is
advised that normal precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit.
For proper operation, it is recommended that the voltages at the DI and DO pins be constrained to the range GND < V
< V
must always be tied to an appropriate logic voltage level (e.g., GND or V
August 31, 1994
16-Pin Plastic Dual In-Line (DIP) Package
16-Pin Small Outline Large (SOL) Package
Modem interface
Voice/data telephone interface
Lap-top computers
UART interface
Drivers
+5 to +12V supply range
300 power-off source impedance
Output current limiting
TTL compatible
EIA-232-D/V.28 driver/receiver
CC
SYMBOL
. Also, the voltage at the RX pin should be constrained to +25V, and TX should be constrained to V
T
V
V
V
V
P
T
STG
CC
DD
JA
SS
IR
A
D
Supply voltage
Supply voltage
Supply voltage
Input voltage range
DC current per pin
Power dissipation (package)
Operating temperature range
Storage temperature range
Thermal impedance
DESCRIPTION
RX
DI
1-3
1-3
inputs
inputs
PARAMETER
N package
D package
power-off source
467
CC
PIN CONFIGURATION
for DI, and V
TEMPERATURE RANGE
Maximum slew rate = 30V/ s
Receivers
+25V input voltage range over the full supply range
3 to 7k input impedance
Hysteresis on input switchpoint
General
Very low supply currents for long battery life
Operation is independent of power supply sequencing
0 to +70 C
0 to +70 C
SS
NOTE:
D = Driver
R = Receiver
or V
(V
V
RX
RX
RX
TX
TX
TX
V
DD
DD
SS
SS
-0.5 to (V
1
1
2
2
3
3
for RX).
- 15) to (V
-0.5 to +13.5
+0.5 to -13.5
1
2
3
4
5
6
7
8
-0.5 to +6.0
-65 to +150
D and N Packages
RATING
0 to +70
+100
105
1.0
80
SS
CC
R
R
R
< V
+ 0.5)
DD
ORDER CODE
D
D
D
MC145406N
MC145406D
TX1-3
+ 15)
< V
DI
16
15
14
13
12
10
11
9
< V
DD
Product specification
MC145406
DO3
DI3
GND
V
DO1
DI1
DO2
DI2
DD
. Unused inputs
CC
853-1430 13721
and GND < V
UNITS
DWG #
0406C
0171B
mA
C/W
W
V
V
V
V
C
C
DO
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mc145406d Summary of contents
Page 1
... Hysteresis on input switchpoint General Very low supply currents for long battery life Operation is independent of power supply sequencing TEMPERATURE RANGE ORDER CODE 0 to +70 C MC145406N 0 to +70 C MC145406D RATING -0.5 to +6.0 -0.5 to +13.5 +0.5 to - ...
Page 2
Philips Semiconductors Linear Products EIA-232-D/V.28 driver/receiver BLOCK DIAGRAM RX 5. 300 PIN # SYMBOL 1 V Positive power supply. The most positive power supply pin, which is typically volts ...
Page 3
Philips Semiconductors Linear Products EIA-232-D/V.28 driver/receiver ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER V Supply voltage CC V Supply voltage DD V Supply voltage SS Input voltage range RX inputs V IR 1-3 DI inputs 1-3 DC current per pin P Power ...
Page 4
Philips Semiconductors Linear Products EIA-232-D/V.28 driver/receiver DRIVER ELECTRICAL CHARACTERISTICS Typical values are GND = 0V SYMBOL SYMBOL PARAMETER PARAMETER V Digital input voltage Digital input voltage DI IH ...
Page 5
Philips Semiconductors Linear Products EIA-232-D/V.28 driver/receiver OUT 8 9 Figure 1. Power-Off ...