1/14November 2003
ESD PROTECTION FOR RS-232 I/O PINS:
± 15KV HUMAN BODY MODEL
GUARANTEED 230kbps DATE RATE
GUARANTEED SLEW RATE RANGE 3 to
30V/µs
OPERATE FROM A SINGLE 5V POWER
SUPPLY
DESCRIPTION
The ST202E/ST232E are a 2 driver 2 receiver
devices designed for RS-232 and V.28
communications in harsh environments. Each
transmitter output and receiver input is protected
against
± 15KV electrostatic discharge (ESD)
shocks. The drivers meet all EIA/TIA-232E and
CCITT V.28 specifications at data rates up to
230Kbps, when loaded in accordance with the
EIA/TIA-232E specification. The ST202E/232E
use a single 5V supply voltage.
The ST232E operates with four 1µF capacitors,
while the ST202E operates with four 0.1µF
capacitors, further reducing cost and board space.
ORDERING CODES
Type
Temperature
Range
Package Comments
ST202ECN ST232ECN 0 to 70 °C DIP-16 25 parts per tube / 40 tube per box
ST202EBN ST232EBN -40 to 85 °C DIP-16 25 parts per tube / 40 tube per box
ST202EAN ST232EAN -40 to 125 °C DIP-16 25 parts per tube / 40 tube per box
ST202ECD ST232ECD 0 to 70 °C SO-16 (Tube) 50 parts per tube / 20 tube per box
ST202EBD ST232EBD -40 to 85 °C SO-16 (Tube) 50 parts per tube / 20 tube per box
ST202EAD ST232EAD -40 to 125 °C SO-16 (Tube) 50 parts per tube / 20 tube per box
ST202ECDR ST232ECDR 0 to 70 °C SO-16 (Tape & Reel) 2500 parts per reel
ST202EBDR ST232EBDR -40 to 85 °C SO-16 (Tape & Reel) 2500 parts per reel
ST202EADR ST232EADR -40 to 125 °C SO-16 (Tape & Reel) 2500 parts per reel
ST202ECW ST232ECW 0 to 70 °C SO-16 Large (Tube) 49 parts per tube / 25 tube per box
ST202EBW ST232EBW -40 to 85 °C SO-16 Large (Tube) 49 parts per tube / 25 tube per box
ST202EAW ST232EAW -40 to 125 °C SO-16 Large (Tube) 49 parts per tube / 25 tube per box
ST202ECWR ST232ECWR 0 to 70 °C SO-16 Large (Tape & Reel) 1000 parts per reel
ST202EBWR ST232EBWR -40 to 85 °C SO-16 Large (Tape & Reel) 1000 parts per reel
ST202EAWR ST232EAWR -40 to 125 °C SO-16 Large (Tape & Reel) 1000 parts per reel
ST202ECTR ST232ECTR 0 to 70 °C TSSOP16 (Tape & Reel) 2500 parts per reel
ST202EBTR ST232EBTR -40 to 85 °C TSSOP16 (Tape & Reel) 2500 parts per reel
ST202EATR ST232EATR -40 to 125 °C TSSOP16 (Tape & Reel) 2500 parts per reel
ST202E
ST232E
± 15KV ESD PROTECTED
5V RS-232 TRANSCEIVER
SOP Large
DIP SOP
TSSOP
ST202E/ST232E
2/14
PIN CONFIGURATION
PIN DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
PlN N° SYMBOL NAME AND FUNCTION
1
C
1
+ Positive Terminal for the first Charge Pump Capacitor
2 V+ Doubled Voltage Terminal
3
C
1
- Negative Terminal for the first Charge Pump Capacitor
4
C
2
+ Positive Terminal for the second Charge Pump Capacitor
5
C
2
- Negative Terminal for the second Charge Pump Capacitor
6 V- Inverted Voltage Terminal
7
T2
OUT
Second Transmitter Output Voltage
8
R2
IN
Second Receiver Input Voltage
9
R2
OUT
Second Receiver Output Voltage
10
T2
IN
Second Transmitter Input Voltage
11
T1
IN
First Transmitter Input Voltage
12
R1
OUT
First Receiver Output Voltage
13
R1
IN
First Receiver Input Voltage
14
T1
OUT
First Transmitter Output Voltage
15 GND Ground
16
V
CC
Supply Voltage
Symbol Parameter Value Unit
V
CC
Supply Voltage
-0.3 to 6 V
V+
Extra Positive Voltage (V
CC
- 0.3) to 14
V
V- Extra Negative Voltage -14 to 0.3 V
T
IN
Transmitter Input Voltage Range -0.3 to (V
+
+ 0.3)
V
R
IN
Receiver Input Voltage Range
± 30 V
T
OUT
Transmitter Output Voltage Range (V
-
- 0.3) to (V
+
+ 0.3)
V
R
OUT
Receiver Output Voltage Range -0.3 to (V
CC
+ 0.3)
V
T
SCTOUT
Short Circuit Duration on T
OUT
infinite
T
stg
Storage Temperature Range
-65 to + 150 °C
ST202E/ST232E
3/14
ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS
Note: All test versus GND.
ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µF for ST202E, C
1
-C
4
=1µF for ST232E, V
CC
=5V± 10%, T
A
= -40 to 125°C,
unless otherwise specified. Typical values are referred to T
A
= 25°C)
TRANSMITTER ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µF for ST202E, C
1
-C
4
=1µF for ST232E, V
CC
=5V± 10%, T
A
= -40 to 125°C,
unless otherwise specified. Typical values are referred to T
A
= 25°C)
Note 1: Measured from 3V to -3V or from -3V to 3V.
Note2: One transmitter output is loaded with R
L
=3Kto 7K,C
L
=50to1000pF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
ESD ESD Protection Voltage Human Body Model ± 15 KV
ESD ESD Protection Voltage IEC 1000-4-2 (Contact Discharge) ± 6KV
ESD ESD Protection Voltage IEC 1000-4-2 (Air Discharge) ± 8KV
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
SUPPLY
V
CC
Power Supply Current No Load, T
A
= 25°C 5 10 mA
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
TOUT
Output Voltage Swing All Transmitter outputs are loaded with
3K to GND
± 5 ± 9V
I
TIL
Input Leakage Current ± A
V
TIL
Input Logic Threshold Low 0.8 V
V
TIH
Input Logic Threshold High 2 V
SR
T
Transition Slew Rate T
A
= 25°C, V
CC
=5V
R
L
=3to7K,C
L
= 50 to 1000pF
(Note1)
3630V/µs
D
R
Data Rate R
L
=3to7K,C
L
= 50 to 1000pF
one transmitter switching
230 400 Kbits/s
R
TOUT
Transmitter Output
Resistance
V
CC
=V+=V-=0V V
OUT
= ± 2V 300
I
SC
Transmitter Output Short
Circuit Current
±10 ±60 mA
t
DT
Transmitter Propagation
Delay
R
L
=3to7K,C
L
= 50 to 2500pF
All transmitter loaded
2 µA

ST202EAN

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
IC TXRX RS232 5V ESD 16-DIP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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