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參數資料
型號: W83977TF
廠商: WINBOND ELECTRONICS CORP
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: 多功能I / O端口控制器(用于個人計算機的多功能輸入/輸出口控制器)
文件頁數: 143/160頁
文件大小: 1012K
代理商: W83977TF
W83977TF
PRELIMINARY
12.3.6
Parallel Port FIFO Timing Parameters
Publication Release Date: March 1998
- 132 -
Revision 0.62
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
DATA Valid to nSTROBE Active
t1
600
nS
nSTROBE Active Pulse Width
t2
600
nS
DATA Hold from nSTROBE Inactive
t3
450
nS
BUSY Inactive to PD Inactive
t4
80
nS
BUSY Inactive to nSTROBE Active
t5
680
nS
nSTROBE Active to BUSY Active
t6
500
nS
12.3.7 ECP Parallel Port Forward Timing Parameters
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
nAUTOFD Valid to nSTROBE Asserted
t1
0
60
nS
PD Valid to nSTROBE Asserted
t2
0
60
nS
BUSY Deasserted to nAUTOFD Changed
t3
80
180
nS
BUSY Deasserted to PD Changed
t4
80
180
nS
nSTROBE Deasserted to BUSY Deasserted
t5
0
nS
BUSY Deasserted to nSTROBE Asserted
t6
80
200
nS
nSTROBE Asserted to BUSY Asserted
t7
0
nS
BUSY Asserted to nSTROBE Deasserted
t8
80
180
nS
12.3.8 ECP Parallel Port Reverse Timing Parameters
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
PD Valid to nACK Asserted
t1
0
nS
nAUTOFD Deasserted to PD Changed
t2
0
nS
nAUTOFD Asserted to nACK Asserted
t3
0
nS
nAUTOFD Deasserted to nACK Deasserted
t4
0
nS
nACK Deasserted to nAUTOFD Asserted
t5
80
200
nS
PD Changed to nAUTOFD Deasserted
t6
80
200
nS
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相關代理商/技術參數
參數描述
W83977TF(EOL) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:W83877TF plus KBC. CIR. RTC
W83977TF_98 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977TF-A 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter
W83977TF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977TF-P 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter