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X25F047VI-5 Datasheet

  • X25F047VI-5

  • SPI SerialFlash with Block Lock TM Protection

  • 74.97KB

  • 14頁

  • XICOR   XICOR

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X25F047
SPI SerialFlash with Block Lock
TM
Protection
DESCRIPTION
512 x 8 Bit
FEATURES
鈥?1MHz Clock Rate
鈥?SPI Modes (0,0 & 1,1)
鈥?512 x 8 Bits
鈥?6 Byte Small Sector Program Mode
鈥?Low Power CMOS
鈥?lt;1
碌
A Standby Current
鈥?lt;3mA Active Current during Program
鈥?lt;400
碌
A Active Current during Read
鈥?1.8V to 3.6V or 5V 鈥淯nivolt鈥?Read and Program
Power Supply Versions
鈥?Block Lock Protection
鈥擝lock Lock Protect 0, any 1/4, 1st 1/2, First or
Last Sector of SerialFlash Array
鈥?Built-in Inadvertent Program Protection
鈥擯ower-Up/Power-Down Protection Circuitry
鈥擯rogram Enable Latch
鈥擯rogram Protect Pin
鈥?Self-Timed Program Cycle
鈥?ms Program Cycle Time (Typical)
鈥?High Reliability
鈥擡ndurance: 100,000 Cycles/Byte
鈥擠ata Retention: 100 Years
鈥擡SD: 2000V on all pins
鈥?8-Lead SOIC Package
鈥?8-Lead MSOP Package
鈥?8-Lead TSSOP Package
鈥?8-Pin Mini-DIP Package
FUNCTIONAL DIAGRAM
SI
SO
COMMAND
DECODE
AND
CONTROL
LOGIC
The X25F047 is a CMOS 4K-bit SerialFlash, internally
organized as 512 x 8. The X25F047 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.
There are eight options for programmable, nonvolatile,
Block Lock Protection available to the end user. These
options are implemented via special instructions
programmed to the part. The X25F047 also features a
PP pin that can be used for hardwire protection of the
part, disabling all programming attempts, as well as a
Program Enable Latch that must be set before a program
operation can be initiated.
The X25F047 utilizes Xicor鈥檚 proprietary Direct Write
TM
cell, providing a minimum endurance of 100,000 cycles
per sector and a minimum data retention of 100 years.
DATA REGISTER
Y DECODE LOGIC
16
8
SCK
X
DECODE
LOGIC
32
SERIALFLASH
ARRAY
(512 x 8)
CS
PP
PROGRAM CONTROL LOGIC
HIGH VOLTAGE
CONTROL
7005 FRM 01.3
漏
Xicor, Inc. 1994, 1995, 1996 Patents Pending
7005-0.9 5/7/97 T4/C0/D1
1
Characteristics subject to change without notice

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