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參數(shù)資料
| 型號： | X20C17P-45 |
| 英文描述： | CAT5 SHLD, PVC PATCH CBL STRGHT PIN, 100 MHZ-RED |
| 中文描述： | 高速自動(dòng)存儲⑩NOVRAM |
| 文件頁數(shù)： | 8/11頁 |
| 文件大小： | 47K |
| 代理商： | X20C17P-45 |
X20C17
8
AUTOSTORE Feature
The AUTOSTORE feature automatically saves the con-
tents of the X20C17’s static RAM to the on-board bit-for-
bit shadow E
2
PROM at power-down. This circuitry in-
sures that no data is lost during accidental power-downs
or general system crashes, and is ideal for microproces-
sor caching systems, embedded software systems, and
general system back-up memory.
AUTOSTORE CYCLE LIMITS
X20C17
Symbol
Parameter
Min.
Max.
Units
t
ASTO (5)
V
ASTH
V
ASEND (5)
AUTOSTORE Cycle Time
AUTOSTORE Threshold Voltage
AUTOSTORE Cycle End Voltage
2.5
4.3
ms
V
V
2015 PGM T15
4.0
3.5
1
2
3
4
5
VCC
V
TIME (ms)
VASTH
VASEND
AUTOSTORE CYCLE IN PROGRESS
tASTO
STORE TIME
AUTOSTORE CYCLE Timing Diagram and Suggested AUTOSTORE Implementation Circuit
Note:
(5) t
ASTO
and V
ASEND
are periodically sampled and not 100% tested.
The X20C17 automatically initiates a nonvolatile store
cycle whenever Vcc falls below the AUTOSTORE thresh-
old voltage (V
ASTH
). V
CC
must remain above the
AUTOSTORE Cycle End Voltage (V
ASEND
) for the dura-
tion of the store cycle (t
ASTO
). The detailed timing for this
feature is illustrated in the AUTOSTORE timing dia-
gram, below. Once the AUTOSTORE cycle is initiated,
all other device functions are inhibited.
2015 FHD F14
2015 ILL F30.4
X20C17
V
22μF
V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X20C17P-55 | GIGATRUE 550 CAT6 PATCH 1 FT, SNAGLESS, GRAY |
| X20C17PM-55 | LOCKNUT, ZINC-PLATED, 1" RoHS Compliant: Yes |
| X2111PHT | Analog IC |
| X2111PLT | 55V Single N-Channel HEXFET Power MOSFET in a TO-247AC package; A IRFP1405 with Standard Packaging |
| X2111PTT | 55V Single N-Channel HEXFET Power MOSFET in a TO-247AC package; Similar to IRFP1405 with Lead Free Packaging |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X20C17P-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| X20C17PI-35 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| X20C17PI-45 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| X20C17PI-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| X20C17PM-35 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
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