參數(shù)資料
型號(hào)： SP3227EEA-L/TR
廠商： Exar Corporation
文件頁(yè)數(shù)： 2/23頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS232 ESD SD 16SSOP
標(biāo)準(zhǔn)包裝： 1,500
類(lèi)型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 16-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 16-SSOP
包裝： 帶卷 (TR)
0
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3224E,3225E,3226E,3227E_0_087
Generator
(see note B)
50
3V
SHUTDOWN
RS-232
Output
CL
(see note A)
RL
TEST CIRCUIT
Figure 1. Driver Slew Rate
SR=
6V
tTHL or tTLH
tTLH
tTHL
3V
-3V
3V
-3V
3V
0V
VOH
VOL
Input
Output
VOLTAGE WAVEFORMS
A. CL includes probe and jig capacitance
B. The pulse generator has the following characteristics: PRR= 250kbit/s, Zo=50, 50% duty cycle, tr ≤10ns, tf ≤10ns
NOTES
Generator
(see note B)
50
3V
SHUTDOWN
RS-232
Output
CL
(see note A)
RL
TEST CIRCUIT
Figure 2. Driver Propagation and Skew
tDPLH
tDPHL
1.5V
50%
3V
0V
VOH
VOL
Input
Output
VOLTAGE WAVEFORMS
1.5V
Skew=
ItDPHL- tDPLHI
A. CL includes probe and jig capacitance
B. The pulse generator has the following characteristics: PRR= 250kbit/s, Zo=50, 50% duty cycle, tr ≤10ns, tf ≤10ns
NOTES
CHARACTERIzATION CIRCUITS AND WAVEFORMS
Generator
(see note B)
50
3V
SHUTDOWN
RS-232
Output
CL
(see note A)
TEST CIRCUIT
NOTES A. CL includes probe and jig capacitance
B. The pulse generator has the following characteristics: PRR= 250kbit/s, Zo=50, 50% duty cycle, tr ≤10ns, tf ≤10ns
Figure 3. Receiver Propagation Delay and Skew
tRPLH
tRPHL
1.5V
50%
3V
0V
VOH
VOL
Input
Output
VOLTAGE WAVEFORMS
1.5V
3V or 0V
ONLINE
Skew=
ItRPHL- tRPLHI
3V or 0V
ONLINE
3V or 0V
SHUTDOWN
50
Generator
(See Note B)
CL
(see note A)
Output
RL
GND
VCC
S1
TEST CIRCUIT
NOTES: A CL includes probe and jig capacitance
B. The pulse generator has the folowing characteristics Zo=50, 50% duty cycle, tr ≤10ns, tf ≤10ns
C. tPLZ and tPHZ are the same as tdis
D. tPZL and tPZH are the same as ten
Figure 4. Receiver Enable and Disable Times
VOLTAGE WAVEFORMS
Input
tPHZ
1.5V
3V
0V
VOH
50%
0.3V
(51 at GND)
Output
tPLZ
(51 at VCC)
Output
0.3V
50%
VOL
tPZL
(S1 at VCC)
tPZH
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