REV. 1.0.1 3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER ESD PROTECTION ESD Protection for Rx_In and Tx_Out pins +/-" />
參數(shù)資料
型號： SP336EET-L/TR
廠商： Exar Corporation
文件頁數(shù)： 5/30頁
文件大小： 0K
描述： IC TXRX RS232/485 PROG 28WSOIC
標準包裝： 1,500
類型： 收發(fā)器
驅動器/接收器數(shù)： 4/4
規(guī)程： RS232，RS422，RS485
電源電壓： 3.3 V，5 V
安裝類型： 表面貼裝
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
供應商設備封裝： 28-SOIC W
包裝： 帶卷 (TR)
SP336E
13
REV. 1.0.1
3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
ESD PROTECTION
ESD Protection for Rx_In and
Tx_Out pins
+/-15
kV
IEC 61000-4-2 Air Discharge.
+/-8
kV
IEC 61000-4-2 Contact
Discharge.
+/-15
kV
Human Body Model.
All Other Pins
+/-2
kV
Human Body model.
TIMING CHARACTERISTICS
RS-232 (SLEW = GND, 250kbps, ONE TRANSMITTER SWITCHING)
Maximum Data Rate
250
kbps
RL = 3kΩ, CL = 1000pF.
tPHL, tPLH
Receiver Propagation Delay
100
ns
CL = 150pF.
tPHL-tPLH Receiver Skew
50
ns
CL = 150pF.
tPHL-tPLH Driver Skew
100
ns
tTHL, tTLH
Transition-Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
6
30
V/
μs Vcc = 3.3V, TA =25°C, RL = 3kΩ
to 7k
Ω, CL = 150pF to 1000pF,
Figures 20 and 21.
RS-232 (SLEW = Vcc, 1Mbps, ONE TRANSMITTER SWITCHING)
Maximum Data Rate
1
Mbps RL = 3kΩ, CL = 250pF.
tPHL, tPLH
Receiver Propagation Delay
100
ns
CL = 150pF,
Figures 22 and 23.
tPHL-tPLH Receiver Skew
50
ns
CL = 150pF.
tPHL-tPLH Driver Skew
25
ns
tTHL, tTLH
Transition-Region Slew Rate from
+3.0V to -3.0V or -3.0V to +3.0V
90
V/
μs Vcc = 3.3V, RL = 3kΩ to 7kΩ,
CL = 150pF to 1000pF.
RS-485/RS-422 (SLEW = GND, 250kbps, ONE TRANSMITTER SWITCHING)
Maximum Data Rate
250
kbps
RDIFF = 54Ω, CL = 50pF.
tDPHL, tDPLH Differential Output Propagation
Delay Time
250
1500
ns
Figures 7 and 8.
tR, tF
Driver Rise and Fall Time
200
1500
ns
Figures 7 and 8.
tDPHL-
tDPLH
Driver Propagation Delay Skew
200
ns
Figures 7 and 8.
tDZH, tDZL
Driver Output Enable Time
1500
ns
Figures 9, 10, 11 and 12.
tDHZ, tDLZ
Driver Output Disable Time
1500
ns
Figures 9, 10, 11 and 12.
tPHL, tPLH
Receiver Propagation Delay
150
ns
Figures 13 and 14.
tZH
Receiver Enable to Output High
50
ns
Figures 15 and 16.
tZL
Receiver Enable to Output Low
50
ns
Figures 15 and 17.
tHZ
Receiver Output High to Disable
50
ns
Figures 15 and 18.
UNLESS OTHERWISE NOTED: VCC = +3.3V +/-5% OR +5.0V +/-5%; TA = TMIN TO TMAX. TYPICAL VALUES ARE AT
VCC = 3.3V, TA = +25OC.
SYMBOL
PARAMETERS
MIN.TYP.
MAX.UNITS
CONDITIONS
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