参数资料
型号: MAX240CMH
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 通用总线功能
英文描述: 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述: 5 LINE TRANSCEIVER, PQFP44
封装: PLASTIC, QFP-44
文件页数: 11/36页
文件大小: 442K
代理商: MAX240CMH
M
+5V-Powered, Multichannel RS-232
Drivers/Receivers
______________________________________________________________________________________
11
INPUT
OUTPUT
+3V
V+
0V
V-
0V
t
PLHT
t
PHLT
t
PHLR
t
PHLS
t
PLHR
t
PLHS
50%
GND
V
CC
50%
+3V
50%
INPUT
OUTPUT
*EXCEPT FOR R2 ON THE MAX243
WHERE -3V IS USED.
0V*
50%
Figure 1. Transmitter Propagation-Delay Timing
Figure 2. Receiver Propagation-Delay Timing
EN
R
X
IN
a) TEST CIRCUIT
b) ENABLE TIMING
c) DISABLE TIMING
EN INPUT
RECEIVER
OUTPUTS
R
X
OUT
R
X
1k
0V
+3V
EN
EN
+0.8V
+3.5V
OUTPUT ENABLE TIME (t
ER
)
V
CC
- 2V
V
OL
+ 0.5V
V
OH
- 0.5V
OUTPUT DISABLE TIME (t
DR
)
V
CC
- 2V
+3V
0V
150pF
EN INPUT
V
OH
RECEIVER
OUTPUTS
V
OL
1 OR 0
T
X
3k
50pF
-5V
+5V
OUTPUT DISABLE TIME (t
DT
)
V+
SHDN
+3V
0V
V-
0V
a) TIMING DIAGRAM
b) TEST CIRCUIT
Figure 3. Receiver-Output Enable and Disable Timing
Figure 4. Transmitter-Output Disable Timing
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相关代理商/技术参数
参数描述
MAX240CMH+ 制造商:Maxim Integrated Products 功能描述:LINE TRANSMITTER/RCVR 5TR 5TX 5RX 44MQFP - Rail/Tube
MAX240CMH+D 功能描述:RS-232接口集成电路 5V RS-232 Xmttr & Rcvrs w/Pwr Shtdwn 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:
MAX240CMH+T 功能描述:RS-232接口集成电路 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:
MAX240CMH+TD 功能描述:RS-232接口集成电路 5V RS-232 Xmttr & Rcvrs w/Pwr Shtdwn 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:
MAX240CMH-T 功能描述:RS-232接口集成电路 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: