XR32330 Datasheet, PDF (4/13 Pages) Exar Corporation – 3-Driver/3-Receiver Intelligent RS-232 Transceiver

XR32330
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Rx_STSL
Receiver Threshold to STATUS low
level
•
-0.3
+0.3
V
t_STSH
Receiver Threshold to STATUS high Figure 9
0.2
s
t_STSL
Receiver Threshold to STATUS low
Figure 9
30
s
t_ONLINE
Receiver Thresholds to Drivers
Enabled
Figure 9, (charge pump fully discharged
when receiver threshold crossed)
30
s
t_OFFLINE
Receiver Thresholds to Drivers Dis-
abled
Figure 9
35
s
TIMING CHARACTERISTICS
f_MAX
Maximum Output Frequency
R_L = 3K, C_L = 1000pF, 1 driver active •
250
Kbps
t_PHL
Receiver Propagation Delay (high to Receiver input (<10ns rise/fall) to
low)
Receiver output, C_L = 150pF
0.15
s
t_PLH
Receiver Propagation Delay (low to Receiver input (<10ns rise/fall) to
high)
Receiver output, C_L = 150pF
0.15
s
t_RxSKEW Receiver Skew
|t_{PHL -} t_PLH|
50
ns
t_RxOE
Receiver Output Enable Time
Normal operation
200
ns
t_RxOD
Receiver Output Disable Time
Normal operation
200
ns
t_TxSKEW Driver Skew
|t_{PHL -} t_PLH| (Driver propagation delays) •
100
500
ns
Tx_SLEW Transition-Region Slew Rate
V_CC = 3.3V, R_L = 3Kto 7K,
•
6
C_L = 150pF to 1000pF, Measured from
-3.0V to +3.0V or +3.0V to -3.0V
30
V/s
June 16, 2016
4 / 13
exar.com/XR32330
Rev 1B