Datasheet > X25650V20I-2.5T1

X25650V20I-2.5T1

更新时间： 2024-09-25 06:24:03

品牌	Logo	应用领域
XICOR		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光电二极管
页数	文件大小	规格书
17页	83K
描述
EEPROM, 8KX8, Serial, CMOS, PDSO20, PLASTIC, TSSOP-20

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数据手册

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X25650V20I-2.5T1 数据手册

64K

8K x 8 Bit

X25650

5MHz SPI Serial E PROM with Block Lock Protection

FEATURES

DESCRIPTION

• 5MHz Clock Rate

• Low Power CMOS

The X25650 is a CMOS 65,536-bit serial E²PROM,

internally organized as 8K x 8. The X25650 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.

<1µA Standby Current

<5mA Active Current

• 2.5V To 5.5V Power Supply

• SPI Modes (0,0 & 1,1)

• 8K X 8 Bits

32 Byte Page Mode

• Block Lock™ Protection

Protect 1/4, 1/2 or all of E²PROM Array

• Programmable Hardware Write Protection

In-Circuit Programmable ROM Mode

• Built-in Inadvertent Write Protection

Power-Up/Down protection circuitry

Write Enable Latch

The X25650 also features two additional inputs that

provide the end user with added ﬂexibility. By

asserting the HOLD input, the X25650 will ignore tran-

sitions on its inputs, thus allowing the host to service

higher priority interrupts. The WP input can be used as

a hardwire input to the X25650 disabling all write

attempts to the status register, thus providing a mech-

anism for limiting end user capability of altering 0, 1/4,

1/2 or all of the memory.

Write Protect Pin

• Self-Timed Write Cycle

5ms Write Cycle Time (Typical)

• High Reliability

The X25650 utilizes Xicor’s proprietary Direct Write^TM

cell, providing a minimum endurance of 100,000

cycles and a minimum data retention of 100 years.

Endurance: 100,000 cycles

Data Retention: 100 Years

ESD protection: 2000V on all pins

• Packages

8-Lead SOIC

14-Lead SOIC

20-Lead TSSOP

8-Lead PDIP

8-Lead XBGA

FUNCTIONAL DIAGRAM

WRITE

PROTECT

LOGIC

STATUS

X DECODE

LOGIC

8K BYTE

ARRAY

64 X 256

COMMAND

DECODE

AND

SCK

CONTROL

LOGIC

HOLD

128

128 X 256

WRITE

CONTROL

AND

TIMING

LOGIC

Y DECODE

DATA REGISTER

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

7037 FRM F01

Xicor, Inc. 1998 Patents Pending

7037–1.9 8/6/99 T10/C0/D2 RZ

Characteristics subject to change without notice

12 3 4 5 6 7...17

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