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參數(shù)資料
| 型號： | DS1321 |
| 英文描述： | Flexible Nonvolatile Controller with Lithium Battery Monitor |
| 中文描述： | 靈活的非易失控制器，帶有鋰電池 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 220K |
| 代理商： | DS1321 |
DS1321
11 of 12
NOTES:
1.
All voltages referenced to ground.
2.
Measured with outputs open circuited.
3.
I
CCO1
is the maximum average load which the DS1321 can supply to attached memories at V
CCO
≥
V
CCI
-0.2V.
4.
I
CCO2
is the maximum average load which the DS1321 can supply to attached memories at V
CCO
≥
V
CCI
-0.3V.
5.
All inputs within 0.3V of ground or V
CCI
.
6.
I
CCO3
is the maximum average load current which the DS1321 can supply to the memories in the
battery backup mode at V
CCO
≥
V
BAT
-0.2V.
7.
Measured with a load as shown in Figure 1.
8.
Chip Enable Outputs
CEO1
-
CEO4
can only sustain leakage current in the battery backup mode.
9.
CEO1
through
CEO4
will be held high for a time equal to t
REC
after V
CCI
crosses V
CCTP
on power-up.
10.
BW
and
RST
are open drain outputs and, as such, cannot source current. External pullup resistors
should be connected to these pins for proper operation. Both
BW
and
RST
can sink 10 mA.
11.
t
CE
maximum must be met to ensure data integrity on power down.
12.
In battery backup mode, inputs must never be below ground or above V
CCO
.
DC TEST CONDITIONS
Outputs Open
All voltages are referenced to ground
AC TEST CONDITIONS
Output Load: See below
Input Pulse Levels: 0 - 3.0V
Timing Measurement Reference Levels
Input: 1.5V
Output: 1.5V
Input pulse Rise and Fall Times: 5 ns
OUTPUT LOAD
Figure 3
*INCLUDING SCOPE AND JIG CAPACITANCE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1321_04 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Flexible Nonvolatile Controller with Lithium Battery Monitor |
| DS1321+ | 功能描述:存儲器控制器 Flexible NV Cntlr w/Lithium Battery RoHS:否 制造商:Maxim Integrated |
| DS1321E | 功能描述:IC CTRL NV W/BATT MON 5V 20TSSOP RoHS:否 類別:集成電路 (IC) >> 存儲器 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:45 系列:- 控制器類型:靜態(tài) RAM（SRAM） 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| DS1321E/T&R | 制造商:Maxim Integrated Products 功能描述:NV CONTRL 5V X4 BW&RST 20-TSSOP T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CTRL NV W/BATT MON 5V 20TSSOP |
| DS1321E/T&R | 功能描述:IC CTRL NV W/BATT MON 5V 20TSSOP RoHS:否 類別:集成電路 (IC) >> 存儲器 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:45 系列:- 控制器類型:靜態(tài) RAM（SRAM） 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
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