Datasheet > X25170AE

X25170AE

更新时间： 2024-11-19 03:55:39

品牌	Logo	应用领域
ICMIC		可编程只读存储器
页数	文件大小	规格书
15页	132K
描述
SPI Serial E 2 PROM with Block Lock ⑩ Protection

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中文翻译

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数据手册

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X25170AE 数据手册

ICmic

2K x 8 Bit

This X25170 device has been acquired by

IC MICROSYSTEMS from Xicor, Inc.

IC MICROSYSTEMS

16K

X25170

SPI Serial E ²PROM with Block Lock ^™Protection

FEATURES

DESCRIPTION

The X25170 is a CMOS 16384-bit serial E2PROM,

internally organized as 2K x 8. The X25170 features a

•5MHz Clock Rate

•SPI Modes (0,0 & 1,1)

•2K X 8 Bits

Serial Peripheral Interface (SPI) and software protocol,

allowing operation on a simple three-wire bus. The bus

—32 byte page mode

•Low Power CMOS

signals are a clock input (SCK) plus separate data in (SI)

and data out (SO) lines. Access to the device is

—<1µA standby current

—<5mA active current

controlled through a chip select (CS) input, allowing any

number of devices to share the same bus.

•2.5V To 5.5V Power Supply

•Block Lock Protection

—Protect 1/4, 1/2 or all of E²PROM array

The X25170 also features two additional inputs that

provide the end user with added flexibility. By asserting

•Built-In Inadvertent Write Protection

—Power-up/power-down protection circuitry

the HOLD input, the X25170 will ignore transitions on its

inputs, thus allowing the host to service higher prior-

—Write enable latch

—Write protect pin

•Self-Timed Write Cycle

ity 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.

—5ms write cycle time (typical)

•High Reliability

—Endurance: 100,000 cycles

—Data retention: 100 Years

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.

—ESD protection: 2000V on all pins

•8-Lead PDlP Package

•8-Lead SOIC Package

•14-Lead TSSOP Package

BLOCK DIAGRAM

Write

Protect

Logic

Status

X Decode

2K Byte

Logic

Array

16 X 256

Command

Decode

and

Control

Logic

SCK

16 X 256

32 X 256

HOLD

Write

Control

and

Timing

Logic

Y Decode

Data Register

Direct Write^™and Block Lock^™Protection is a trademark of Xicor, Inc.

Xicor, Inc. 2000 Patents Pending

Characteristics subject to change without notice. 1 of 15

9900-5004.9 5/26/00 EP

12 3 4 5 6 7...15

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