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參數資料
型號: W83877AF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數: 150/171頁
文件大?。?/td> 1634K
代理商: W83877AF
W83877AF
Publication Release Date: Sep. 1996
Preliminary Version 0.50
- 148 -
9.3.7 EPP Data or Address Write Cycle Timing Parameters, continued
PARAMETER
SYM.
t20
t21
t22
MIN.
10
0
0
MAX.
12
UNIT
μ
S
nS
nS
Time out
Command Deasserted to WAIT Asserted
IOW Deasserted to WRITE Deasserted and PD
invalid
9.3.8 Parallel Port FIFO Timing Parameters
PARAMETER
SYMBOL
t1
t2
t3
t4
t5
t6
MIN.
600
600
450
80
680
MAX.
UNIT
nS
nS
nS
nS
nS
nS
DATA Valid to nSTROBE Active
nSTROBE Active Pulse Width
DATA Hold from nSTROBE Inactive
BUSY Inactive to PD Inactive
BUSY Inactive to nSTROBE Active
nSTROBE Active to BUSY Active
500
9.3.9 ECP Parallel Port Forward Timing Parameters
PARAMETER
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
MIN.
0
0
80
80
0
80
0
80
MAX.
60
60
180
180
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nAUTOFD Valid to nSTROBE Asserted
PD Valid to nSTROBE Asserted
BUSY Deasserted to nAUTOFD Changed
BUSY Deasserted to PD Changed
nSTROBE Deasserted to BUSY Deasserted
BUSY Deasserted to nSTROBE Asserted
nSTROBE Asserted to BUSY Asserted
BUSY Asserted to nSTROBE Deasserted
200
180
9.3.10 ECP Parallel Port Reverse Timing Parameters
PARAMETER
SYMBOL
t1
t2
t3
t4
t5
t6
MIN.
0
0
0
0
80
80
MAX.
UNIT
nS
nS
nS
nS
nS
nS
PD Valid to nACK Asserted
nAUTOFD Deasserted to PD Changed
nAUTOFD Asserted to nACK Asserted
nAUTOFD Deasserted to nACK Deasserted
nACK Deasserted to nAUTOFD Asserted
PD Changed to nAUTOFD Deasserted
200
200
相關PDF資料
PDF描述
W83877ATD enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF enhanced version from Winbonds most popular I/O chip W83877F
W83877 WINBOND I/O
W83877F WINBOND I/O
W83877TD I/O chip disk drive adapter
相關代理商/技術參數
參數描述
W83877ATD 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877ATF 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F
W83877F 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TD 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83877TF 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O