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DS229S

Part # DS229S
Description IC TXRX TRI 5V RS-232 20-SOIC
Category IC
Availability In Stock
Qty 573
Qty Price
1 - 31 $4.72337
32 - 79 $3.75723
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236 + $2.93421
Manufacturer Available Qty
DALLAS SEMICONDUCTOR
Date Code: 9650
  • Shipping Freelance Stock: 293
    Ships Immediately
DALLAS SEMICONDUCTOR
Date Code: 9650
  • Shipping Freelance Stock: 280
    Ships Immediately



Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

DS229
4 of 9
ABSOLUTE MAXIMUM RATINGS*
Absolute Maximum Ratings
V
CC
-0.3V to +7.0V
V+ (V
CC
-0.3V) to +14V
V- +0.3V to -14V
Input Voltages
T
IN
-0.3V to (V
CC
+0.3V)
R
IN
±30V
Output Voltages
T
OUT
(V+ + 0.3V) to (V- - 0.3V)
R
OUT
-0.3V to (V
CC
+ 0.3V)
Short Circuit Duration, T
OUT
Continuous
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Operating Supply Voltage V
CC
4.5 5.5 V 1
DC ELECTRICAL CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Power Supply Current (No Load) I
CC1
615mA
Power Supply Current (3 k Load All
Outputs)
I
CC2
22.5 mA
RS-232 Transmitters
Output Voltage Swing V
ORS
±5 ±8
V2
Input Logic Threshold Low V
TTL
0.8 1.4 V
Input Logic Threshold High V
TTH
1.4 2.0 V
Data Rate f
D
200 116 kbits/s
Logic Pullup/Input Current I
PU
540
µA
Transmitter Output Resistance R
OUT
300 10M
3
Output Short-Circuit Current I
TSC
±15 ±30 ±100
mA 4
DS229
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DC ELECTRICAL CHARACTERISTICS (continued) (0°C to 70°C)
RS-232 Receivers
RS-232 Input Voltage Operating Range V
IR
±25 ±30
V
RS-232 Input Threshold Low V
RTL
0.8 1.3 V
RS-232 Input Threshold High V
RTH
1.8 2.4 V
RS-232 Input Hysteresis V
HY
0.2 0.5 1 V
RS-232 Input Resistance R
IN
357
k
TTL/CMOS Output Voltage Low V
ROL
0.2 0.4 V 5
TTL/CMOS Output Voltage High V
ROH
3.5 V
CC
-0.2 V 6
TTL/CMOS Output Short Circuit
Current (V
OUT
=GND)
I
RSC
-2 -10 mA
TTL/CMOS Output Short Circuit
Current (V
OUT
=V
CC
)
I
RSC
10 30 mA
AC ELECTRICAL CHARACTERISTICS (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Transition Slew Rate t
SR
61230
V/µs
7
Transmitter Propagation
Delay TTL to RS-232
t
PHLT
t
PLHT
1.3
1.5
3.5
3.5
µs
µs
Receiver Propagation
Delay RS-232 to TTL
t
PHL
R
t
PLHR
0.5
0.6
1
1
µs
µs
Transmitter + to - Propagation
Delay Difference
t
PHLT
-t
PLHT
300 ns
Receiver + to - Propagation
Delay Difference
t
PHL
R
-t
PLHR
100 ns
NOTES:
1. All voltages are referenced to ground.
2. All transmitter outputs loaded with 3 k=to ground
3. V
CC
= V+ = V- = 0V; V
OUT
= ±2V.
4. V
OUT
= 0V.
5. I
OUT
= 3.2 mA.
6. I
OUT
= -1.0 mA.
7. C
L
= 50 pF - 2500 pF; RL = 3 k=- 7 k; V
CC
= 5V; TA = 25°C.
DS229
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TRANSMITTER PROPAGATION DELAY TIMING Figure 2
RECEIVER PROPAGATION DELAY TIMING Figure 3
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