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參數(shù)資料
| 型號： | X25170 |
| 英文描述： | 2K×8Bit SPI Serial E2PROM with Block LockTM Protection(SPI串行EEPROM) |
| 中文描述： | 2K × 8位的SPI串行E2PROM與塊LockTM保護(hù)（的SPI串行EEPROM中） |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 78K |
| 代理商： | X25170 |
9900-5004.9 7/30/99 WW
Xicor, Inc. 1999 Patents Pending
1
Characteristics subject to change without notice
16K
X25170
2K x 8 Bit
SPI Serial E
2
PROM with Block Lock Protection
FEATURES
5MHz Clock Rate
SPI Modes (0,0 & 1,1)
2K X 8 Bits
—32 Byte Page Mode
Low Power CMOS
—<1μA Standby Current
—<5mA Active Current
2.5V To 5.5V Power Supply
Block Lock Protection
—Protect 1/4, 1/2 or all of E
Built-in Inadvertent Write Protection
—Power-Up/Power-Down protection circuitry
—Write Enable Latch
—Write Protect Pin
Self-Timed Write Cycle
—5ms Write Cycle Time (Typical)
High Reliability
—Endurance: 100,000 cycles
—Data Retention: 100 Years
—ESD protection: 2000V on all pins
8-Lead PDlP Package
8-Lead SOIC Package
14-Lead TSSOP Package
2
PROM Array
DESCRIPTION
The X25170 is a CMOS 16384-bit serial E2PROM, inter-
nally organized as 2K x 8. The X25170 features a Serial
Peripheral Interface (SPI) and software protocol allowing
operation on a simple three-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.
The X25170 also features two additional inputs that pro-
vide the end user with added flexibility. By asserting the
HOLD input, the X25170 will ignore transitions on its
inputs, thus allowing the host to service higher priority
interrupts. The WP input can be used as a hardwire input
to the X25170 disabling all write attempts to the status
register, thus providing a mechanism for limiting end user
capability of altering 0, 1/4, 1/2 or all of the memory.
The X25170 utilizes Xicor’s proprietary Direct Write cell,
providing a minimum endurance of 100,000 cycles and a
minimum data retention of 100 years.
COMMAND
DECODE
AND
CONTROL
LOGIC
WRITE
CONTROL
AND
TIMING
LOGIC
WRITE
PROTECT
LOGIC
X DECODE
LOGIC
2K BYTE
ARRAY
16 X 256
Y DECODE
DATA REGISTER
SO
SI
SCK
CS
HOLD
WP
16
32
8
32
STATUS
REGISTER
16
32 X 256
16 X 256
3064 FRM F01
Direct Write
and Block Lock
Protection is a trademark of Xicor, Inc.
FUNCTIONAL DIAGRAM
A
PPLICATION
A V A I L A B L E
AN61
N
OTE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X25170AE | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:SPI Serial E 2 PROM with Block Lock ⑩ Protection |
| X25170AF | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:SPI Serial E 2 PROM with Block Lock ⑩ Protection |
| X25170G | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:SPI Serial E 2 PROM with Block Lock ⑩ Protection |
| X25170I | 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:SPI Serial E 2 PROM with Block Lock ⑩ Protection |
| X25170P8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
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