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參數(shù)資料
| 型號： | IP82C88 |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | CMOS Bus Controller |
| 中文描述： | 8 MHz, CONTROL AND CMD SIG GEN, PDIP20 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 129K |
| 代理商： | IP82C88 |
4-340
FIGURE 2. DEN, PDEN QUALIFICATION TIMING
FIGURE 3. ADDRESS ENABLE (AEN) TIMING (THREE-STATE ENABLE/DISABLE)
NOTES:
1. Address/Data Bus is shown only for reference purposes.
2. Leading edge of ALE and MCE is determined by the falling edge of CLK or status going active. Whichever occurs last.
3. All timing measurements are made at 1.5V unless otherwise specified.
Timing Waveforms
(Note 3)
(Continued)
TAEVNV (22)
TCEVNV (23)
CEN
DEN
AEN
PDEN
CEN
TAELCV
(21)
1.5V
TAELCH (19)
VOH
TCELRH
(24)
TCELRH (24)
TAEHCZ (20)
1.5V
0.5V VOH
OUTPUT
COMMAND
AEN
CEN MUST BE LOW OR INVALID PRIOR TO T2 TO PREVENT THE COMMAND FROM BEING GENERATED.
82C88
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