参数资料
型号: PACSZ1284-04QR
厂商: ON SEMICONDUCTOR
元件分类: 数据传输滤波器
英文描述: 17 FUNCTIONS, 5 V, DATA LINE FILTER
封装: ROHS COMPLIANT, QSOP-28 PIN
文件页数: 9/11页
文件大小: 428K
代理商: PACSZ1284-04QR
PACSZ1284
Rev. 2 | Page 7 of 11 | www.onsemi.com
Application Information
Termination Considerations
The IEEE 1284 specification requires both termination and EMI filtering on a total of 17 signal lines. Control
and Status lines (8 in total) only require a pull-up resistor and a filter capacitor. The Data lines and Strobe also
require a series termination resistor in addition to the pull-up resistors and filter capacitors. See Table 1, in
conjunction with the schematic diagram on page 1.
Table 1: IEEE 1284 Termination Requirements
SIGNAL TERMINATION REQUIREMENTS
Signal Name
Series Termination
Data1 - Data8
Yes
Strobe
Yes
Init
Not Required
AutoFeedXT
Not Required
Selectin
Not Required
ACK
Not Required
Busy
Not Required
Paper Empty
Not Required
Select
Not Required
Fault
Not Required
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