參數(shù)資料
型號(hào)： M48T08Y-15PC1
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 0 TIMER(S), REAL TIME CLOCK, PDMA28
封裝： CAPHAT, PLASTIC, DIP-28
文件頁(yè)數(shù)： 3/26頁(yè)
文件大?。?/td> 173K
代理商： M48T08Y-15PC1
11/26
M48T08, M48T18, M48T08Y
WRITE Mode
The M48T08/18/08Y is in the WRITE Mode when-
ever W, E1, and E2 are active. The start of a
WRITE is referenced from the latter occurring fall-
ing edge of W or E1, or the rising edge of E2. A
WRITE is terminated by the earlier rising edge of
W or E1, or the falling edge of E2. The addresses
must be held valid throughout the cycle. E1 or W
must return high or E2 low for a minimum of tE1HAX
or tE2LAX from Chip Enable or tWHAX from WRITE
Enable prior to the initiation of another READ or
WRITE Cycle. Data-in must be valid tDVWH prior to
the end of WRITE and remain valid for tWHDX af-
terward. G should be kept high during WRITE Cy-
cles to avoid bus contention; however, if the output
bus has been activated by a low on E1 and G and
a high on E2, a low on W will disable the outputs
tWLQZ after W falls.
Figure 9. WRITE Enable Controlled, WRITE AC Waveform
AI00963
tAVAV
tWHAX
tDVWH
DATA INPUT
A0-A12
E1
W
DQ0-DQ7
VALID
E2
tAVWH
tAVE1L
tAVE2H
tWLWH
tAVWL
tWLQZ
tWHDX
tWHQX
相關(guān)PDF資料
PDF描述
M48T08Y-10PC1 0 TIMER(S), REAL TIME CLOCK, PDMA28
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M48T128Y-85PM1TR 0 TIMER(S), REAL TIME CLOCK, PDIP32
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T12 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM
M48T12-120PC1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CMOS 8K x 8 TIMEKEEPER SRAM
M48T12-150PC1 功能描述:實(shí)時(shí)時(shí)鐘 16K (2Kx8) 150ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M48T12-150PC1 制造商:STMicroelectronics 功能描述:SRAM TIMEKEEPER 16K 48T12 DIP24
M48T12-150PC1TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0V, 16 Kbit (2Kb x 8) TIMEKEEPER㈢ SRAM
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