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XL93LC56B fiches techniques PDF

EXEL - 2048-Bit Serial Electrically EPROM

Numéro de référence XL93LC56B
Description 2048-Bit Serial Electrically EPROM
Fabricant EXEL 
Logo EXEL 





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XL93LC56B fiche technique
m XL93LC56BEXEL Microelectronics, Inc.
t4U.coPreliminary Information
2,048-Bit Serial Electrically Erasable PROM
1.8V to 5.5V Operation
heeFEATURES
S• 1.8V to 5.5V Operation
ta• Extended Temperature Range: -40°C to +85°C
a• User Selectable Word length
.D• State-of-the-Art Architecture
ww— Nonvolatile data storage
— Fully TTL compatible inputs and outputs
w — Auto increment for efficient data dump
m• Hardware and Software Write Protection
o— Defaults to write-disabled state at power up
— Software instructions for write-enable/disable
.cy— VCC lockout inadvertent write protection
(XL93LC56A)
U r• Low Power Consumption
— 1mA active
t4a— 1µA standby
• Advanced Low Voltage CMOS E2PROM
Technology
eien• Versatile, Easy-to-Use Interface
— Self-timed programming cycle
— Automatic erase-before-write
h— Programming Status Indicator
— Word and chip erasable
atlaiSm• Durable and Reliable
— 100-year data retention after 100K write
cycles
— Minimum of 100,000 erase/write cycles
— Unlimited read cycles
.rDe— ESD protection (EIAJ and JEDEC standard)
PIN CONFIGURATIONS
Plastic Dual-in-line
“P” Package
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG
5 GND
JEDEC Small Outline
“RY” Package
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG
5 GND
JEDEC Small Outline
“Y” Package
NC 1
VCC 2
CS 3
SK 4
8 ORG
7 GND
6 DO
5 DI
D0036 ILL A01.1
PIN NAMES
CS
SK
DI
DO
GND
VCC
NC
ORG
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Not Connected
Word Organization
wOVERVIEW
wPThe XL93LC56B is a cost effective 2,048-bit, nonvolatile,
mserial E2PROM. It is fabricated using EXEL’s advanced
w oCMOS E2PROM technology. The XL93LC56B provides
.cefficient nonvolatile read/write memory arranged as 128
Uaddresses of 16 bits each or 256 addresses of 8 bits each.
t4Seven 11-bit instructions control the operation of the
edevice, which include read, write, and mode enable
efunctions. The data output pin (DO) indicates the status
hof the device during the self-timed nonvolatile program-
Sming cycle.
The self-timed write cycle includes an automatic erase-
before-write capability. To protect against inadvertent
writes, the WRITE instruction is accepted only while the
chip is in the write enabled state. A simple byte or word is
written in per write instruction into the selected address
location. If Chip Select (CS) is brought HIGH after initia-
tion of the write cycle, the Data Output (DO) pin will
indicate the READY/BUSY status of the chip.
w.DataEXEL Microelectronics, Inc.
2150 Commerce Drive • San Jose, CA 95131
wwPHONE 408 432-0500 • FAX 408 432-8710 • Internet www.exel.com
D0036 4/96
DVPTD 6931-05

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