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XL9020

ETC
Part Number XL9020
Manufacturer ETC
Description 2/048-Bit Serial Electrically Erasable PROM 2.7 to 5.5 Volt Operation
Published Apr 16, 2005
Detailed Description EXEL Microelectronics, Inc. XL9020 2,048-Bit Serial Electrically Erasable PROM 2.7 to 5.5 Volt Operation FEATURES • 1 ...
Datasheet PDF File XL9020 PDF File

XL9020
XL9020

Overview
EXEL Microelectronics, Inc.
XL9020 2,048-Bit Serial Electrically Erasable PROM 2.
7 to 5.
5 Volt Operation FEATURES • 1 MHz Clock Rate • • Extended Temperature Range: -40°C to +85 °C Low Power Consumption — Active current 1.
5 mA — Standby current 2µA • 2.
7 to 5.
5 volt operation (both READ and WRITE) • • 4-Wire Bus Interface Hardware & Software Write Protection — Defaults to disabled state at power up — Software instructions for WRITE-enable/ disable • Internally Organized as 128 x 16 bits • Versatile, Easy-to-Use Interface — READY/BUSY status signal — Automatic write cycle time-out Advanced CMOS E2PROM Technology High Reliability — Endurance: 100,000 cycles per byte — Data retention: 100 years 8-Pin PDIP or SOIC Packages PIN CONFIGURATIONS Plastic Dual-in-line “P” Package CS 1 SK 2 DI 3 DO 4 8 VCC 7 6 R/B WC 5 GND EIAJ Small Outline “F” Package R/B 1 VCC 2 CS 3 SK 4 8 WC 7 GND 6 DO 5 DI • • D0018 ILL A01.
2 • PIN NAMES CS SK DI DO GND WC R/B VCC Chip Select Serial Data Clock Serial Data Input Serial Data Output Ground Write Control READY/BUSY Output Power Supply OVERVIEW The XL9020 is a cost effective 2,048-bit, nonvolatile, serial E2PROM designed to directly connect with serial interface.
It is fabricated using EXEL's advanced CMOS E2 PROM technology.
The XL9020 provides external read/write memory arranged as 128 registers of 16 bits each.
Four 8-bit instructions control the operation of the device, which include read, write, write enable and write disable.
The READY/BUSY pin indicates the status of the device when polled during the WRITE operation.
The data output pin (DO) also indicates the status of the device during self-timed nonvolatile programming cycle.
To protect against inadvertent writes, the WRITE instruction is accepted only while the chip is in the write enabled state.
After the initiation of the write cycle, if Chip Select (CS) is brought into LOW state, while SK is low, the DO pin will indicate the READY/BUSY status of the chip.
EXEL Microel...


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