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參數(shù)資料
| 型號(hào)： | XM20C64 |
| 英文描述： | High Speed AUTOSTORE NOVRAM(高速，低功耗CMOS，ESD保護(hù)) |
| 中文描述： | 高速自動(dòng)存儲(chǔ)NOVRAM（高速，低功耗的CMOS靜電保護(hù)） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 122K |
| 代理商： | XM20C64 |
XM20C64
1
Xicor, Inc. 1991, 1995, 1996 Patents Pending
3874-1.6 6/20/96 T0/C2/D0 NS
Characteristics subject to change without notice
High Speed AUTOSTORE
NOVRAM
64K
XM20C64
8K x 8
FEATURES
High Speed: t
AA
= 55ns
NO Batteries!!
Low Power CMOS
AUTOSTORE
NOVRAM
—Automatically Stores RAM data to E
2
PROM
upon Power-fail Detection
Open Drain AUTOSTORE Output Pin
—Provides Interrupt or Status Information
—Linkable to System Reset Circuitry
Auto Recall
—Automatically Recalls E
2
PROM Data During
Power-on
Fully Decoded Module
Full Military Temperature Range
— –55
°
C to +125
°
C
High Reliability
—Endurance: 1,000,000 Nonvolatile Store Cycles
—Data Retention: 100 Years
ESD Protection
—
≥
2KV All Pins
Also Available in 66 Pin PUMA Package
DESCRIPTION
The XM20C64 is a high speed nonvolatile RAM Module.
It is comprised of four Xicor X20C16 high speed
NOVRAMs, a high speed decoder and decoupling
capacitors mounted on a co-fired multilayered Ceramic
substrate. The XM20C64 is configured 8K x 8 and is fully
decoded. The module is a 28-lead DIP conforming to the
industry standard pinout for SRAMs.
The XM20C64 fully supports the AUTOSTORE feature,
providing hands-off automatic storing of RAM data
into E
2
PROM when V
CC
falls below the AUTOSTORE
threshold.
The XM20C64 is a highly reliable memory component,
supporting unlimited writes to RAM, a minimum 1,000,000
store cycles and a minimum 100 year data retention.
3874 FHD F01
NE
OE
WE
CE
A0–A10
I/O
NE
OE
WE
CE
A0–A10
I/O
NE
OE
WE
CE
A0–A10
I/O
NE
OE
WE
CE
A0–A10
I/O
Y0
Y1
Y2
Y3
1
A1
A0
2
3
A12
A11
CE
7
AUTOSTORE
WE
OE
NE
A0–A10
I/O0–I/O7
6
5
4
23
31
25
2
30
23
31
25
2
30
23
31
25
2
30
23
31
25
2
30
AUTOSTORE NOVRAM is a trademark of Xicor, Inc.
FUNCTIONAL DIAGRAM
PIN CONFIGURATION
3874 FHD F02.1
NE
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
WE
AS
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/04
I/O3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XM20C64-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| XM20C64I-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| XM20C64M-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| XM20C64MHR-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
| XM20C64P-55 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:High Speed AUTOSTORE⑩ NOVRAM |
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