参数资料
型号: M48T86MH1E
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封装: 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-28
文件页数: 3/36页
文件大小: 352K
代理商: M48T86MH1E
Obsolete
Product(s)
- Obsolete
Product(s)
M48T86
Operation
2.1.11
R/W (read/write input)
The R/W pin is used to latch data into the M48T86 and provides functionality similar to W in
other memory systems.
2.1.12
Non-volatile RAM
The 114 general-purpose non-volatile RAM bytes are not dedicated to any special function
within the M48T86. They can be used by the processor program as non-volatile memory
and are fully accessible during the update cycle.
Figure 5.
Intel bus read AC waveform
Figure 6.
Intel bus write mode AC waveform
AI01647
tCYC
tASD
tASW
AS
E
AD0-AD7
tDSL
tDSH
tDAS
tCS
tOD
tCH
tAS
tAH
tDHR
DS
R/W
AI01648
tCYC
tASD
tASW
AS
E
AD0-AD7
tDSL
tDSH
tDAS
tCS
tDW
tCH
tAS
tAH
tDHW
DS
R/W
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相关代理商/技术参数
参数描述
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