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X84041SI2.7 Datasheet

  • X84041SI2.7

  • Serial EEPROM

  • 139.85KB

  • 13頁(yè)

  • ETC

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X84041
Micro Port Saver EEPROM
DESCRIPTION
MPS
鈩?/div>
EEPROM
FEATURES
鈥?Direct interface to micros
鈥擡liminates I/O port requirements
鈥擭o interface glue logic required
鈥擡liminates need for parallel to serial converters
鈥?3.3Mbps data transfer rate
鈥?Low power CMOS
鈥?.7V to 5.5V operation
鈥擲tandby current less than 50碌A(chǔ)
鈥擜ctive current less than 1mA
鈥?45ns read access time
鈥?8-byte page write mode
鈥?Typical nonvolatile write cycle time: 5ms
鈥?High reliability
鈥?00,000 endurance cycles
鈥擥uaranteed data retention: 100 years
鈥?8-lead PDIP, 8-lead SOIC, and 14-lead TSSOP
packages
The X84041 Micro Port Saver is a 4096-bit CMOS
EEPROM designed for a direct interface to port limited
microcontroller or I/O limited microprocessor designs.
The X84041 provides all of the bene鏗乼s of serial mem-
ories, such as low cost, low power, low voltage opera-
tion, and small package size, while featuring higher
data transfer rates and reduced interface code require-
ments鈥攚ithout the need for a dedicated serial bus.
The X84041 is organized as a 512 x 8, but is also suit-
able in 16-bit or 32-bit environments, due to the bit
serial nature of the interface.
The X84041 directly connects to the processor bus
and communicates over a single data line using a
sequence of standard bus read and write operations.
This eliminates the need for dedicated port pins, paral-
lel to serial converters, complicated ASIC implementa-
tions, or other glue logic, lowering system cost.
BLOCK DIAGRAM
WP
H.V. Generation
Timing & Control
CE
OE
WE
I/O
Command
Decode
and
Control
Logic
EEPROM
Array
512 x 8
X
DEC
Y Decode
Data Register
REV 1.0 6/29/00
www.xicor.com
Characteristics subject to change without notice.
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