AZ75232 Datasheet, PDF (6/13 Pages) BCD Semiconductor Manufacturing Limited – MULTIPLE RS-232 DRIVERS AND RECEIVERS

Preliminary Datasheet
MULTIPLE RS-232 DRIVERS AND RECEIVERS
AZ75232
Electrical Characteristics (Continued)
(T_A=25^oC, unless otherwise specified.)
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+ TA = -40 to 85 oC}
1.75 1.9 2.3
V
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
Input Open
2.6
4
5
V
2.6
Low-Level Output Voltage
V_OL I_OL=10mA_, V_I=3V
0.2 0.45 V
High-Level Input Current
V_I=25V
I_IH
V_I=3V
3.6
8.3
mA
0.43
Low-Level Input Current
I_IL
V_I=-25V
V_I=-3V
-3.6
-0.43
-8.3
mA
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=5kΩ, C_L=50pF
R_L=1.5kΩ, C_L=15pF
105 250
ns
100 160
Propagation Delay Time
High to Low Level Output
R_L=5kΩ, C_L=50pF
t_{PHL RL=1.5kΩ, CL=15pF}
60 150
ns
42 100
Transition Time
Low to High Level Output
t_TLH
R_L=5kΩ, C_L=50pF
R_L=1.5kΩ, C_L=15pF
170 350
ns
90 175
Transition Time
High to Low Level Output
R_L=5kΩ, C_L=50pF
t_{THL RL=1.5kΩ, CL=15pF}
16
60
ns
15
50
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.
Aug. 2006 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
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