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参数资料
| 型号： | SP3245EEA-L |
| 厂商： | Exar Corporation |
| 文件页数： | 18/22页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 28SSOP |
| 标准包装： | 46 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3244E_SP3245E_00_2509
TImINg CHARACTERISTICS
Unless otherwise noted VCC = +3.0V to +5.5V, TAMB = TMIN to TMAX, C1–C4 = 0.1μF. Typical values are
at TAMB = +25°C, VCC = 3.3V.
PARAmETERS
SymbOL
TEST CONDITIONS
mIN.
TyP.
mAx.
UNIT
SP3244E
Maximum Data Rate
Rl = 3k, Cl = 000pF. One
transmitter switching.
250
kbps
Driver Propagation Delay
t
DPHL, tDPLH
C
L = 000pF
600
ns
Transition-Region Slew
Rate
Rl=3kΩ to 7kΩ, Cl=50pF
to 000pF, measurements
taken from +3V to -3V or
from -3V to +3V.
Ta = 25C
4
30
V/μs
Driver Skew
|tdphl - tdplh| at zero cross-
ing
50
ns
Receiver Propagation
Delay
trphl,trplh R
IN to ROUT, Cl = 50pF
0.5
s
Receiver Output Enable
Time
trzh , trzl
0.4
2.0
s
Receiver Output Disable
Time
trhz , trlz
0.
2.0
s
Receiver Skew
|trphl - trplh| at 1.5V
40
ns
PARAmETERS
SymbOL
TEST CONDITIONS
mIN.
TyP.
mAx.
UNIT
SP3245E
Maximum Data Rate
Rl = 3k, Cl = 250pF. One
transmitter switching.
000
kbps
Rl = 3k, Cl = 000pF. One
transmitter switching.
500
kbps
Driver Propagation Delay
t
DPHL, tDPLH
C
L = 250pF
700
ns
Transition-Region Slew
Rate
Rl=3kΩ to 7kΩ, Cl=50pF to
250pF, measurements taken
from +3V to -3V or from -3V
to +3V.
Ta = 25C
24
50
V/μs
Driver Skew
|tdhpl - tdplh| at zero
crossing
00
ns
Receiver Propagation
Delay
trphl,trplh R
IN to ROUT, Cl = 50pF
0.5
s
Receiver Output Enable
Time
trzh , trzl
0.05
2.0
s
Receiver Output Disable
Time
trzh , trlz
0.
2.0
s
Receiver Skew
|trphl - trplh| at 1.5V
90
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP3245EEA-L/TR | 功能描述:RS-232接口集成电路 1Mbps +3V to +5.5V RS-232 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| SP3245EER1-L | 功能描述:RS-232接口集成电路 Transceiver with Auto On-Line Plus RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| SP3245EER1-L/TR | 功能描述:RS-232接口集成电路 1Mbps +3V to +5.5V RS-232 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| SP3245EEY-L | 功能描述:RS-232接口集成电路 1Mbps +3V to +5.5V RS-232 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| SP3245EEY-L/TR | 功能描述:RS-232接口集成电路 1Mbps +3V to +5.5V RS-232 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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