X24645V-2.7

更新时间： 2024-01-25 20:15:22

品牌	Logo	应用领域
XICOR		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
页数	文件大小	规格书
18页	86K
描述
Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection

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中文翻译

获取价格

数据手册

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X24645V-2.7 数据手册

Preliminary Information

64K

8192 x 8 Bit

X24645

Advanced 2-Wire Serial E PROM with Block Lock^TMProtection

FEATURES

DESCRIPTION

• 2.7V to 5.5V Power Supply

The X24645 is a CMOS 65,536-bit serial E PROM,

internally organized 8192 x 8. The X24645 features a

serial interface and software protocol allowing opera-

tion on a simple two wire bus.

• Low Power CMOS

—Active Read Current Less Than 1mA

—Active Write Current Less Than 3mA

—Standby Current Less Than 1µA

• Internally Organized 8192 x 8

• New Programmable Block Lock Protection

—Software Write Protection

Two device select inputs (S , S ) allow up to four

devices to share a common two wire bus.

A Write Protect Register at the highest address loca-

tion, 1FFFh, provides three new write protection

features: Software Write Protect, Block Write Protect,

and Hardware Write Protect. The Software Write

Protect feature prevents any nonvolatile writes to the

X24645 until the WEL bit in the write protect register is

set. The Block Write Protection feature allows the user

to individually write protect four blocks of the array by

programming two bits in the write protect register. The

Programmable Hardware Write Protect feature allows

—Programmable hardware Write Protect

• Block Lock (0, 1/4, 1/2, or all of the E PROM

array)

• 2 Wire Serial Interface

• Bidirectional Data Transfer Protocol

• 32 Byte Page Write Mode

—Minimizes Total Write Time Per Byte

• Self Timed Write Cycle

—Typical Write Cycle Time of 5ms

• High Reliability

the user to install the X24645 with WP tied to V

—Endurance: 100,000 Cycles

—Data Retention: 100 Years

• Available Packages

program the entire memory array in place, and then

enable the hardware write protection by programming

a WPEN bit in the write protect register. After this,

selected blocks of the array, including the write protect

as WP remains HIGH.

—8-Lead PDIP

—8-Lead SOIC (JEDEC)

—14-Lead SOIC (JEDEC)

—20-Lead TSSOP

FUNCTIONAL DIAGRAM

H.V. GENERATION

START CYCLE

TIMING &

CONTROL

WRITE PROTECT

LOGIC

START

STOP

SDA

LOGIC

CONTROL

LOGIC

SLAVE ADDRESS

+COMPARATOR

E PROM

256 X 256

XDEC

LOAD

WORD

INC

SCL

ADDRESS

COUNTER

R/W

YDEC

OUT

DATA REGISTER

OUT

ACK

2783 ILL F01

Xicor, 1995, 1996 Patents Pending

2783-3.5 5/13/96 T1/C0/D0 NS

Characteristics subject to change without notice

12 3 4 5 6 7...18

中文翻译

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与X24645V-2.7相关器件

型号	品牌	获取价格	描述	数据表
X24645V-2.7T1	XICOR	获取价格	EEPROM, 8KX8, Serial, CMOS, PDSO20, PLASTIC, TSSOP-20
X24645VG	ICMIC	获取价格	Advanced 2-Wire Serial E2PROM with Block LockTM Protection
X24645VG-2.7	ICMIC	获取价格	Advanced 2-Wire Serial E2PROM with Block LockTM Protection
X24645VI	ICMIC	获取价格	Advanced 2-Wire Serial E2PROM with Block LockTM Protection
X24645VI	XICOR	获取价格	Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection
X24645VI-2.7	ICMIC	获取价格	Advanced 2-Wire Serial E2PROM with Block LockTM Protection
X24645VI-2.7	XICOR	获取价格	Advanced 2-Wire Serial E 2 PROM with Block Lock TM Protection
X24645VIG	ICMIC	获取价格	Advanced 2-Wire Serial E2PROM with Block LockTM Protection
X24645VIG-2.7	ICMIC	获取价格	Advanced 2-Wire Serial E2PROM with Block LockTM Protection
X24645VIT1	XICOR	获取价格	EEPROM, 8KX8, Serial, CMOS, PDSO20, PLASTIC, TSSOP-20

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