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參數(shù)資料
| 型號(hào)： | X84641G-2.5 |
| 廠商： | IC MICROSYSTEMS Sdn. Bhd. |
| 英文描述： | レPort Saver EEPROM |
| 中文描述： | レ港口節(jié)電器的EEPROM |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 152K |
| 代理商： | X84641G-2.5 |
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Xicor, Inc. 1994, 1997Patents
Pending
7008-1.2 8/26/97 T2/C0/D0 SH
1
Characteristics subject to change without notice
16K/64K/128K
MPS
TM
EEPROM
μ
Port Saver EEPROM
FEATURES
Up to 10MHz data transfer rate
25ns Read Access Time
Direct Interface to Microprocessors and
Microcontrollers
—Eliminates I/O port requirements
—No interface glue logic required
—Eliminates need for parallel to serial converters
Low Power CMOS
—1.8V–3.6V, 2.5V–5.5V and 5V
±
10% Versions
—Standby Current Less than 1
μ
A
—Active Current Less than 1mA
Byte or Page Write Capable
—32-Byte Page Write Mode
Typical Nonvolatile Write Cycle Time: 2ms
High Reliability
—100,000 Endurance Cycles
—Guaranteed Data Retention: 100 Years
DESCRIPTION
The
μ
Port Saver memories need no serial ports or special
hardware and connect to the processor memory bus.
Replacing bytewide data memory, the
μ
Port Saver uses
bytewide memory control functions, takes a fraction of
the board space and consumes much less power.
Replacing serial memories, the
μ
Port Saver provides all
the serial benefits, such as low cost, low power, low voltage,
and small package size while releasing I/Os for
more important uses
.
The
μ
Port Saver memory outputs data within 25ns of an
active read signal. This is less than the read access time
of most hosts and provides “no-wait-state” operation. This
prevents bottlenecks on the bus. With rates to 10
MHz, the
μ
Port Saver supplies data faster than required by
most host read cycle specifications. This eliminates
the need for software NOPs.
The
μ
Port Saver memories communicate over one line of
the data bus using a sequence of standard bus read and
write operations. This “bit serial” interface allows the
μ
Port
Saver to work well in 8-bit, 16 bit, 32-bit, and 64-bit
systems.
A Write Protect (WP) pin prevents inadvertent writes to the
memory.
Xicor EEPROMs are designed and tested for
applications requiring extended endurance. Inherent data
retention is greater than 100 years.
BLOCK DIAGRAM
CE
I/O
H.V. GENERATION
TIMING & CONTROL
EEPROM
ARRAY
COMMAND
DECODE
AND
CONTROL
LOGIC
X
DEC
Y DECODE
DATA REGISTER
WP
7008 FRM F02.1
OE
WE
16K x 8
8K x 8
2K x 8
P0/CS
P1/CLK
P2/DI
P3/DO
System Connection
Internal Block Diagram
MPS
μ
P
μ
C
Ports
Saved
DSP
ASIC
RISC
A15
A0
D7
D0
OE
WE
X84161/641/129
This X84161/641/129 device has been acquired by
IC MICROSYSTEMS from Xicor, Inc.
IC
mic
IC MICROSYSTEMS
TM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X84641I | レPort Saver EEPROM |
| X84641I-1.8 | レPort Saver EEPROM |
| X84641I-2.5 | レPort Saver EEPROM |
| X84641IG | レPort Saver EEPROM |
| X84641IG-1.8 | レPort Saver EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X84641I | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:レPort Saver EEPROM |
| X84641I-1.8 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:レPort Saver EEPROM |
| X84641I-2.5 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:レPort Saver EEPROM |
| X84641IG | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:レPort Saver EEPROM |
| X84641IG-1.8 | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:レPort Saver EEPROM |
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