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X24F064S-5 参数 Datasheet PDF下载

X24F064S-5图片预览
型号: X24F064S-5
PDF下载: 下载PDF文件 查看货源
内容描述: SerialFlash TM记忆带座锁TM保护 [SerialFlash TM Memory with Block Lock TM Protection]
分类和应用: 存储内存集成电路光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器时钟
文件页数/大小: 18 页 / 87 K
品牌: XICOR [ XICOR INC. ]
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A
PPLICATION
N
OTE
A V A I LAB L E
AN76 • AN78 • AN81 • AN87
64K/32K/16K
X24F064/032/016
8K/4K/2K x 8 Bit
SerialFlash
TM
Memory with Block Lock
TM
Protection
FEATURES
DESCRIPTION
The X24F064/032/016 is a CMOS SerialFlash
Memory Family, internally organized 8K/4K/2K x 8.
The family features a serial interface and software
protocol allowing operation on a simple two wire bus.
Device select inputs (S
0
, S
1
, S
2
) allow up to eight
devices to share a common two wire bus.
A Program Protect Register accessed at the highest
address location, provides three new programming
protection features: Software Programming Protection,
Block Lock Protection, and Hardware Programming
Protection. The Software Programming Protection
feature prevents any nonvolatile writes to the device
until the WEL bit in the program protect register is set.
The Block Lock
TM
Protection feature allows the user to
individually protect four blocks of the array by program-
ming two bits in the programming protect register. The
Programmable Hardware Program Protect feature
allows the user to install each device with PP tied to
V
CC
, program the entire memory array in place, and
then enable the hardware programming protection by
programming a PPEN bit in the program protect
register. After this, selected blocks of the array,
including the program protect register itself, are
permanently protected from being programmed.
1.8V to 3.6V or 5V “Univolt” Read and
Program Power Supply Versions
Low Power CMOS
—Active Read Current Less Than 1mA
—Active Program Current Less Than 3mA
—Standby Current Less Than 1
µ
A
Internally Organized 8K/4K/2K x 8
New Programmable Block Lock Protection
—Software Write Protection
—Programmable hardware Write Protect
Block Lock (0, 1/4, 1/2, or all of the Flash
Memory array)
2 Wire Serial Interface
Bidirectional Data Transfer Protocol
32 Byte Sector Programming
Self Timed Program Cycle
—Typical Programming Time of 5ms
Per Sector
High Reliability
—Endurance: 100,000 cycles per byte
—Data Retention: 100 Years
Available Packages
—8-Lead PDIP
—8-Lead SOIC (JEDEC)
—14-Lead TSSOP (X24F032/016)
—20-Lead TSSOP (X24F064)
FUNCTIONAL DIAGRAM
DATA REGISTER
SDA
SECTOR DECODE LOGIC
SCL
X
DECODE
LOGIC
32
8
S
0
/S
0
S
1
/S
1
S
2
/S
2
COMMAND
DECODE
AND CONTROL
LOGIC
SECTORED
MEMORY
ARRAY
PROGRAM
PROTECT
REGISTER
PP
SerialFlash
Memory and Block Lock
Protection are trademarks of Xicor, Inc.
©
Xicor, 1995, 1996 Patents Pending
6686-3.8 8/29/96 T3/C0/D0 SH
PROGRAMMING
CONTROL LOGIC
HIGH VOLTAGE
CONTROL
6686 ILL F01.5
1
Characteristics subject to change without notice