Diodes AZ75232 - Manual (Page 6)

6
Oct. 2009 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
Data Sheet
MULTIPLE RS-232 DRIVERS AND RECEIVERS AZ75232
Parameter Symbol Conditions Min Typ Max Unit
RECEIVER SECTION (V
CC
=5V, V
DD
=9V, V
SS
=-9V, unless otherwise specified)
Positive-Going Input Thresh-
old Voltage
V
IT+
1.75 1.9 2.3 V
T
A
= -40 to 85 o C 1.55 2.3 V
Negative-Going Input
Threshold Voltage
V
IT-
0.75 0.97 1.25 V
Input Hysteresis Voltage V
HYS
0.5 V
High-Level Output Voltage V
OH
I
OH
=-0.5mA
V
IH
=0.75V 2.6 4 5
V
Input Open 2.6
Low-Level Output Voltage V
OL
I
OL
=10mA
,
V
I
=3V 0.2 0.45 V
High-Level Input Current I
IH
V
I
=25V 3.6 8.3
mA
V
I
=3V 0.43
Low-Level Input Current I
IL
V
I
=-25V -3.6 -8.3
mA
V
I
=-3V -0.43
Short-Circuit Output Current I
OS
V
I
=0.8V -3.4 -12 mA
RECEIVER SECTION (V
CC
=5V, V
DD
=12V, V
SS
=-12V, unless otherwise specified)
Propagation Delay Time
Low to High Level Output
t
PLH
R
L
=5k Ω, C
L
=50pF 105 250
ns
R
L
=1.5k Ω, C
L
=15pF 100 160
Propagation Delay Time
High to Low Level Output
t
PHL
R
L
=5k Ω, C
L
=50pF 60 150
ns
R
L
=1.5k Ω, C
L
=15pF 42 100
Transition Time
Low to High Level Output
t
TLH
R
L
=5k Ω, C
L
=50pF 170 350
ns
R
L
=1.5k Ω, C
L
=15pF 90 175
Transition Time
High to Low Level Output
t
THL
R
L
=5k Ω, C
L
=50pF 16 60
ns
R
L
=1.5k Ω, C
L
=15pF 15 50
Electrical Characteristics (Continued)
Note 2: Measured between - 3V and 3V points of the output waveform (EIA/TIA-232-F conditions); all unused
inputs are tied either high or low.
(T
A
=25
o
C, unless otherwise specified.)