参数资料
型号: MAX249EQH+TD
厂商: Maxim Integrated Products
文件页数: 4/38页
文件大小: 0K
描述: IC RS-232 DRVR/RCVR 44-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 500
类型: 收发器
驱动器/接收器数: 6/10
规程: RS232
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 带卷 (TR)
+5V-Powered, Multichannel RS-232
Drivers/Receivers
ENT
ENR
OPERATION STATUS
TRANSMITTERS
RECEIVERS
0
Normal Operation
All Active
0
1
Normal Operation
All Active
All High-Z
1
0
Shutdown
All High-Z
All Low-Power Receive Mode
1
Shutdown
All High-Z
Table 1a. MAX245 Control Pin Configurations
ENT
ENR
OPERATION
STATUS
TRANSMITTERS
RECEIVERS
TA1–TA4
TB1–TB4
RA1–RA5
RB1–RB5
0
Normal Operation
All Active
0
1
Normal Operation
All Active
RA1–RA4 High-Z,
RA5 Active
RB1–RB4 High-Z,
RB5 Active
1
0
Shutdown
All High-Z
All Low-Power
Receive Mode
All Low-Power
Receive Mode
1
Shutdown
All High-Z
RA1–RA4 High-Z,
RA5 Low-Power
Receive Mode
RB1–RB4 High-Z,
RB5 Low-Power
Receive Mode
Table 1b. MAX245 Control Pin Configurations
Table 1c. MAX246 Control Pin Configurations
ENA
ENB
OPERATION
STATUS
TRANSMITTERS
RECEIVERS
TA1–TA4
TB1–TB4
RA1–RA5
RB1–RB5
0
Normal Operation
All Active
0
1
Normal Operation
All Active
All High-Z
All Active
RB1–RB4 High-Z,
RB5 Active
1
0
Shutdown
All High-Z
All Active
RA1–RA4 High-Z,
RA5 Active
All Active
1
Shutdown
All High-Z
RA1–RA4 High-Z,
RA5 Low-Power
Receive Mode
RB1–RB4 High-Z,
RA5 Low-Power
Receive Mode
Control Pin Configuration Tables
12
Maxim Integrated
MAX220–MAX249
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