UM488 Datasheet, PDF (2/17 Pages) Union Semiconductor, Inc. – ±15kV ESD-Protected, Fail-Safe, Slew-Rate-Limited RS-422

Pin Configurations
Top View
UM488/UM491
NC 1
RO 2
RE 3
DE 4
DI 5
GND 6
GND 7
14 VCC
R
13 NC
12 A
11 B
10 Z
D
9Y
8 NC
XX: Week Code
UM491EESE
SOP14
XX: Week Code
UM491EEPE
DIP14
XX: Week Code
UM488EESA
SOP8
XX: Week Code
UM488EEPA
DIP8
Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
V_CC
Supply Voltage
+7
V
______
Control Input Voltage (R E, DE)
-0.3V to (VCC + 0.3V) V
Driver Input Voltage (DI)
-0.3V to (VCC + 0.3V) V
Driver Output Voltage (A, B, Y, Z)
±13
V
Receiver Input Voltage (A, B)
±25
V
Receiver Output Voltage (RO)
-0.3V to (VCC + 0.3V) V
8-Pin SO (derate 9.09mW/°C above +70°C)
520
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)
727
P_D
14-Pin Plastic DIP (derate 10.0mW/°C above +70°C)
800
mW
14-Pin SO (derate 8.33mW/°C above +70°C)
667
T_A
Ambient Temperature
T_STG
Storage Temperature Range
T_L
Lead Temperature for Soldering 10 seconds
-40 to +85
°C
-65 to +150
°C
+300
°C
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http://www.union-ic.com Rev.04 Aug.2013
2/17