REV. 1.0.0 TIMING CHARACTERISTICS U" />
參數(shù)資料
型號： SP338EER1-L
廠商： Exar Corporation
文件頁數(shù)： 24/25頁
文件大?。?/td> 0K
描述： IC INTERFACE
標準包裝： 490
系列： *
其它名稱： 1016-1747
SP338E
8
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
REV. 1.0.0
TIMING CHARACTERISTICS
UNLESS OTHERWISE NOTED:
VCC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1F; TA = TMIN to TMAX. Typical values are at VCC = 3.3V, TA = +25°C.
SYMBOL
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
ALL MODES
tENABLE
Enable from Shutdown
1000
ns
tSHUTDOWN Enable to Shutdown
1000
ns
RS-232, DATA RATE = 250kbps (SLEW = Vcc), ONE TRANSMITTER SWITCHING
Maximum Data Rate
250
kbps
RL = 3k, CL = 1000pF
tRHL, tRLH
Receiver Propagation Delay
100
ns
CL = 150pF, Figure 13
tRHL-tRLH Receiver Propagation Delay Skew
100
ns
tDHL, tDLH
Driver Propagation Delay
1400
ns
RL = 3k, CL = 2500pF,
tDHL-tDLH Driver Propagation Delay Skew
600
ns
tSHL, tSLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
4
30
V/
s
VCC = 3.3V, RL = 3k to 7k,
CL = 150pF to 2500pF,
tSHL, tSLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
6
30
V/
s
VCC = 3.3V, RL = 3k to 7k,
CL = 150pF to 2500pF,
TA = 25°C, Figure 14
RS-232, DATA RATE = 1Mbps (SLEW = 0V), ONE TRANSMITTER SWITCHING
Maximum Data Rate
1
Mbps RL = 3k, CL = 250pF
tRHL, tRLH
Receiver Propagation Delay
100
ns
CL = 150pF, Figure 13
tRHL-tRLH Receiver Propagation Delay Skew
100
ns
tDHL, tDLH
Driver Propagation Delay
300
ns
RL = 3k, CL = 1000pF,
tDHL-tDLH Driver Propagation Delay Skew
150
ns
tSHL, tSLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
15
150
V/
s
VCC = 3.3V, RL = 3k to 7k,
CL = 150pF to 1000pF,
tSHL, tSLH
Transition Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
24
150
V/
s
VCC = 3.3V, RL = 3k to 7k,
CL = 150pF to 1000pF,
TA = 25°C, Figure 14
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