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參數(shù)資料
| 型號： | M48ST59W-70MH1TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| 封裝： | 0.330 INCH, SNAPHAT, PLASTIC, SOH-44 |
| 文件頁數(shù)： | 3/29頁 |
| 文件大?。?/td> | 158K |
| 代理商： | M48ST59W-70MH1TR |
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M48ST59W
WRITE Mode
The M48ST59W is in the WRITE Mode whenever
W and E are low. The start of a WRITE is refer-
enced from the latter occurring falling edge of W or
E. A WRITE is terminated by the earlier rising
edge of W or E. The addresses must be held valid
throughout the cycle. E or W must return high for
a minimum of tEHAX from Chip Enable or tWHAX
from WRITE Enable prior to the initiation of anoth-
er READ or WRITE cycle. Data-in must be valid tD-
VWH prior to the end of WRITE and remain valid for
tWHDX afterward. G should be kept high during
WRITE cycles to avoid bus contention; although, if
the output bus has been activated by a low on E
and G a low on W will disable the outputs tWLQZ af-
ter W falls.
Figure 7. WRITE Mode AC Waveforms
Figure 8. Chip Enable Controlled, WRITE Mode AC Waveforms
DATA INPUT
A0-A12
E
W
DQ0-DQ7
VALID
tAVAV
tAVWH
tAVEL
tWLQZ
tWHAX
tWLWH
tWHQX
tWHDX
tDVWH
tAVWL
AI04607
A0-A12
E
W
DQ0-DQ7
VALID
DATA INPUT
tAVAV
tAVEL
tAVWL
tAVEH
tELEH
tEHAX
tEHDX
tDVEH
AI04608
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| M48ST59W-100MH1 | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T02-150PC1 | 0 TIMER(S), REAL TIME CLOCK, PDIP24 |
| M48T18-100MH1TR | 0 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M48T18-100MH1 | 0 TIMER(S), REAL TIME CLOCK, PDSO28 |
| M48T18-150PC1 | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T02 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER SRAM |
| M48T02_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER㈢ SRAM |
| M48T02_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER SRAM |
| M48T02_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V, 16 Kbit (2 Kb x 8) TIMEKEEPER? SRAM |
| M48T02-120PC1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM |
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