X25097 Datasheet PDF Download, Xicor





(PDF) X25097 Datasheet Download

Part Number X25097
Description 5MHz Low Power SPI Serial E 2 PROM with IDLock TM Memory
Manufacture Xicor
Total Page 15 Pages
PDF Download Download X25097 Datasheet PDF

Features: 8K X25097 DESCRIPTION 1024 x 8 Bit 5M Hz Low Power SPI Serial E2PROM with IDL ockTM Memory FEATURES • 5MHz Clock Ra te • IDLock™ Memory —IDLock First or Last Page, any 1/4 or Lower 1/2 of E2PROM Array • Low Power CMOS —<1µ A Standby Current —<3mA Active Curren t during Write —<400µA Active Curren t during Read • 1.8V to 3.6V, 2.7V-5. 5V or 4.5V to 5.5V Operation • Built- in Inadvertent Write Protection —Powe r-Up/Power-Down Protection Circuitry Write Enable Latch —Write Protect Pi n • SPI Modes (0,0 & 1,1) • 1024 x 8 Bits —16 Byte Page Mode • Self-Ti med Write Cycle —5ms Write Cycle Time (Typical) • High Reliability —Endu rance: 100,000 Cycles/Byte —Data Rete ntion: 100 Years —ESD: 2000V on all p ins • 8-Lead TSSOP Package • 8-Lead SOIC Package • 8-Lead PDIP Package T he X25097 is a CMOS 8K-bit serial E2PRO M, internally organized as 1024 x 8. Th e X25097 features a Serial Peripheral I nterface (SPI) and software protocol allowing operation on a simple four-wire bus. The bus signals are a clock inpu.

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8K
X25097
1024 x 8 Bit
5MHz Low Power SPI Serial E2PROM with IDLockTM Memory
FEATURES
• 5MHz Clock Rate
• IDLock™ Memory
—IDLock First or Last Page, any 1/4 or Lower 1/2
of E2PROM Array
• Low Power CMOS
—<1µA Standby Current
—<3mA Active Current during Write
—<400µA Active Current during Read
• 1.8V to 3.6V, 2.7V-5.5V or 4.5V to 5.5V Operation
• Built-in Inadvertent Write Protection
—Power-Up/Power-Down Protection Circuitry
—Write Enable Latch
—Write Protect Pin
• SPI Modes (0,0 & 1,1)
• 1024 x 8 Bits
—16 Byte Page Mode
• Self-Timed Write Cycle
—5ms Write Cycle Time (Typical)
• High Reliability
—Endurance: 100,000 Cycles/Byte
—Data Retention: 100 Years
—ESD: 2000V on all pins
• 8-Lead TSSOP Package
• 8-Lead SOIC Package
• 8-Lead PDIP Package
DESCRIPTION
The X25097 is a CMOS 8K-bit serial E2PROM, internally
organized as 1024 x 8. The X25097 features a Serial
Peripheral Interface (SPI) and software protocol
allowing operation on a simple four-wire bus. The bus
signals are a clock input (SCK) plus separate data in (SI)
and data out (SO) lines. Access to the device is
controlled through a chip select (CS) input, allowing any
number of devices to share the same bus.
IDLock is a programmble locking mechanism which
allows the user to lock system ID and parametric data in
different portions of the E2PROM memory space,
ranging from as little as one page to as much as 1/2 of
the total array. The X25097 also features a WP pin that
can be used for hardwire protection of the part, disabling
all write attempts, as well as a Write Enable Latch that
must be set before a write operation can be initiated.
The X25097 utilizes Xicor’s proprietary Direct WriteTM
cell, providing a minimum endurance of 100,000 cycles
per byte and a minimum data retention of 100 years.
FUNCTIONAL DIAGRAM
SI
SO
SCK
COMMAND
DECODE
AND
CONTROL
LOGIC
CS
X
DECODE
LOGIC
DATA REGISTER
Y DECODE LOGIC
16 8
64
8K E2PROM
ARRAY
(1024 x 8)
WP WRITE CONTROL LOGIC
©Xicor, Inc. 1994, 1995, 1996 Patents Pending
7034-1.1 5/8/97 T1/C0/D0 SH
1
HIGH VOLTAGE
CONTROL
7038 FRM F01
Characteristics subject to change without notice

                    
                    






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