Datasheet > XL9020P

XL9020P

更新时间： 2024-09-27 12:47:23

品牌	Logo	应用领域
其他 - ETC		可编程只读存储器
页数	文件大小	规格书
12页	160K
描述
2,048-Bit Serial Electrically Erasable PROM 2.7 to 5.5 Volt Operation

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XL9020P 数据手册

XL9020

EXEL Microelectronics, Inc.

2,048-Bit Serial Electrically Erasable PROM

2.7 to 5.5 Volt Operation

FEATURES

PIN CONFIGURATIONS

•

1 MHz Clock Rate

Plastic Dual-in-line

“P” Package

Extended Temperature Range: -40°C to +85°C

V_CC

R/B

Low Power Consumption

— Active current 1.5 mA

— Standby current 2µA

2.7 to 5.5 volt operation (both READ and

WRITE)

•

GND

•

4-Wire Bus Interface

Hardware & Software Write Protection

— Defaults to disabled state at power up

— Software instructions for WRITE-enable/

disable

EIAJ Small Outline

“F” Package

•

Internally Organized as 128 x 16 bits

GND

R/B

V_CC

Versatile, Easy-to-Use Interface

— READY/BUSY status signal

— Automatic write cycle time-out

Advanced CMOS E²PROM Technology

•

High Reliability

D0018 ILL A01.2

— Endurance: 100,000 cycles per byte

— Data retention: 100 years

•

8-Pin PDIP or SOIC Packages

PIN NAMES

Chip Select

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

Write Control

READY/BUSY Output

Power Supply

GND

R/B

V_CC

OVERVIEW

The XL9020 is a cost effective 2,048-bit, nonvolatile, devicewhenpolledduringtheWRITEoperation.Thedata

serial E²PROM designed to directly connect with serial output pin (DO) also indicates the status of the device

interface. It is fabricated using EXEL's advanced CMOS during self-timed nonvolatile programming cycle. To pro-

E²PROM technology. The XL9020 provides external tect against inadvertent writes, the WRITE instruction is

read/write memory arranged as 128 registers of 16 bits accepted only while the chip is in the write enabled state.

each. Four 8-bit instructions control the operation of the After the initiation of the write cycle, if Chip Select (CS) is

device, which include read, write, write enable and write brought into LOW state, while SK is low, the DO pin will

disable. The READY/BUSY pin indicates the status of the indicate the READY/BUSY status of the chip.

D0018 5/96

DVPTD 6931-05

EXEL Microelectronics, Inc.

2150 Commerce Drive

•

San Jose, CA 95131

Phone 408 432-0500

•

Fax 408 432-8710 • Internet www.exel.com

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