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参数资料
| 型号： | MAX203EWP |
| 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： | DUAL LINE TRANSCEIVER, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 16/36页 |
| 文件大小： | 442K |
| 代理商： | MAX203EWP |
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M
Tables 1a–1d define the control states. The MAX244
has no control pins and is not included in these tables.
The MAX246 has ten receivers and eight drivers with
two control pins, each controlling one side of the
device. A logic high at the A-side control input (
ENA
)
causes the four A-side receivers and drivers to go into
a three-state mode. Similarly, the B-side control input
(
ENB
) causes the four B-side drivers and receivers to
go into a three-state mode. As in the MAX245, one A-
side and one B-side receiver (RA5 and RB5) remain
active at all times. The entire device is put into shut-
down mode when both the A and B sides are disabled
(
ENA
=
ENB
= +5V).
The MAX247 provides nine receivers and eight drivers
with four control pins. The
ENRA
and
ENRB
receiver
enable inputs each control four receiver outputs. The
ENTA
and
ENTB
transmitter enable inputs each control
four drivers. The ninth receiver (RB5) is always active.
The device enters shutdown mode with a logic high on
both
ENTA
and
ENTB
.
The MAX248 provides eight receivers and eight drivers
with four control pins. The
ENRA
and
ENRB
receiver
enable inputs each control four receiver outputs. The
ENTA
and
ENTB
transmitter enable inputs control four
drivers each. This part does not have an always-active
receiver. The device enters shutdown mode and trans-
mitters go into a three-state mode with a logic high on
both
ENTA
and
ENTB
.
The MAX249 provides ten receivers and six drivers with
four control pins. The
ENRA
and
ENRB
receiver enable
inputs each control five receiver outputs. The
ENTA
and
ENTB
transmitter enable inputs control three dri-
vers each. There is no always-active receiver. The
device enters shutdown mode and transmitters go into
a three-state mode with a logic high on both
ENTA
and
ENTB
. In shutdown mode, active receivers operate in a
low-power receive mode at data rates up to
20kbits/sec.
__________Applications Information
Figures 5 through 25 show pin configurations and typi-
cal operating circuits. In applications that are sensitive
to power-supply noise, VCCshould be decoupled to
ground with a capacitor of the same value as C1 and
C2 connected as close as possible to the device.
+5V-Powered, Multichannel RS-232
Drivers/Receivers
16
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX203EWP+ | 制造商:Maxim Integrated Products 功能描述:LINE TRNSCVR 2TR 2TX 2RX 20SOIC W - Bulk |
| MAX203EWP+G36 | 功能描述:RS-232接口集成电路 15kV ESD-Protected 5V RS232 Transceiver 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: |
| MAX203EWP+TG36 | 功能描述:RS-232接口集成电路 15kV ESD-Protected 5V RS232 Transceiver 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: |
| MAX203EWP-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: |
| MAX204 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:+5V-Powered, Multichannel RS-232 Drivers/Receivers |
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