SP3224E Datasheet, PDF (4/23 Pages) Sipex Corporation – 3.0V to 5.5V RS-232 Transceivers with Auto On-Line® Plus

Timing Characteristics
Unless otherwise noted Vcc = +3.0V to +5.5V, Tamb = Tmin to Tmax,. Typical values are at Tamb = +25°C. C1–C4 =
0.1μF tested at 3.3V ±10%. C1=0.047μF C2–C4 = 0.33μF tested at 5V ±10%
Parameters
Symbol
Test Conditions
SP3224E and SP3226E
Maximum Data Rate
Transition -Region
Slew Rate
R_L = 3kΩ, C_L = 1000pF. One
transmitter switching.
Measurement taken from
+3.0V to -3.0V or -3.0V to +3.0V,
Tamb = 25°C
R_L = 3kΩ to 7kΩ,
C_L = 150pF to 1000pF
Receiver Propagation
Delay
t_RPHL , t_RPLH
R_IN to R_OUT,
C_L = 150pF
Min.
250
4
Typ.
0.22
Max.
30
Unit
kbps
V/μs
µs
Receiver Output
Enable Time
Receiver Output
Disable Time
Receiver Skew
t_RZH , t_RZL
R_L = 3kΩ, C_L = 150pF
t_RHZ , t_RLZ
|t_PHL - t_PLH| at 1.5V
0.2
2
µs
0.2
2
µs
200
ns
Parameters
Symbol
Test Conditions
SP3225E and SP3227E
Maximum Data Rate
Instantaneous Slew
Rate
Driver Skew
Receiver Propagation
Delay
Receiver Output
Enable Time
Receiver Output
Disable Time
|t_DPHL - t_DPLH|
t_RPHL , t_RPLH
t_RZH , t_RZL
t_RHZ , t_RLZ
R_L = 3kΩ, C_L = 250pF. One
transmitter Switching
R_L = 3kΩ, C_L = 1000pF. One
transmitter Switching
Measurement taken from +3.0V
to -3.0V or -3.0V to +3.0V,
Tamb=25°C
R_L = 3kΩ to 7kΩ,
C_L = 150pF to 250pF
at zero crossing
R_IN to R_OUT, C_L = 150pF
Receiver Skew
|t_PHL - t_PLH|
at 1.5V
Min.
Typ.
Max.
1000
500
24
150
75
0.20
0.3
2
0.2
2
80
Unit
kbps
kbps
V/μs
ns
µs
µs
µs
ns
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3224E,3225E,3226E,3227E_101_081711