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參數(shù)資料
| 型號(hào)： | DS1270Y-70 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Static RAM |
| 英文描述： | 2M X 8 NON-VOLATILE SRAM MODULE, 70 ns, PDMA36 |
| 封裝： | 0.740 INCH, DIP-36 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 193K |
| 代理商： | DS1270Y-70 |
DS1270Y/AB
6 of 8
POWER-DOWN/POWER-UP CONDITION
SEE NOTE 11
POWER-DOWN/POWER-UP TIMING
(tA: See Note 10)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
VCC Fail Detect to CE and WE Inactive
tPD
1.5
ms
11
VCC slew from VTP to 0V
tF
150
ms
VCC slew from 0V to VTP
tR
150
ms
VCC Valid to CE and WE Inactive
tPU
2
ms
VCC Valid to End of Write Protection
tREC
125
ms
(tA=25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Expected Data Retention Time
tDR
5
years
9
WARNING:
Under no circumstance are negative undershoots, of any amplitude, allowed when device is in battery
backup mode.
NOTES:
1. WE is high for a read cycle.
2. OE = VIH or VIL. If OE = VIH during write cycle, the output buffers remain in a high-impedance state.
3. tWP is specified as the logical AND of CE and WE . tWP is measured from the latter of CE or WE
going low to the earlier of CE or WE going high.
4. tDS is measured from the earlier of CE or WE going high.
5. These parameters are sampled with a 5 pF load and are not 100% tested.
6. If the CE low transition occurs simultaneously with or latter than the WE low transition, the output
buffers remain in a high-impedance state during this period.
7. If the CE high transition occurs prior to or simultaneously with the WE high transition, the output
buffers remain in high-impedance state during this period.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| DS1270Y-70# | 功能描述:NVRAM 16M NV SRAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時(shí)間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| DS1270Y-70IND | 功能描述:NVRAM 16M NV SRAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時(shí)間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| DS1270Y-70IND# | 功能描述:NVRAM 16M NV SRAM RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲(chǔ)容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時(shí)間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
| DS12721S | 制造商:Maxim Integrated Products 功能描述: |
| DS1283 | 功能描述:實(shí)時(shí)時(shí)鐘 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 |
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