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FM93CS56LZEM8X

Description
EEPROM, 128X16, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SO-8
Categorystorage    storage   
File Size172KB,16 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet Parametric View All

FM93CS56LZEM8X Overview

EEPROM, 128X16, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, SO-8

FM93CS56LZEM8X Parametric

Parameter NameAttribute value
MakerFairchild
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codeunknown
ECCN codeEAR99
Maximum clock frequency (fCLK)0.25 MHz
JESD-30 codeR-PDSO-G8
length4.9 mm
memory density2048 bit
Memory IC TypeEEPROM
memory width16
Number of functions1
Number of terminals8
word count128 words
character code128
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize128X16
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialSERIAL
Certification statusNot Qualified
Maximum seat height1.75 mm
Serial bus typeMICROWIRE
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
width3.9 mm
Maximum write cycle time (tWC)15 ms
FM93CS56 (MICROWIRE Bus Interface) 2048-Bit Serial EEPROM
with Data Protect and Sequential Read
July 2000
FM93CS56
(MICROWIRE™ Bus Interface) 2048-Bit Serial EEPROM
with Data Protect and Sequential Read
General Description
FM93CS56 is a 2048-bit CMOS non-volatile EEPROM organized
as 128 x 16-bit array. This device features MICROWIRE interface
which is a 4-wire serial bus with chipselect (CS), clock (SK), data
input (DI) and data output (DO) signals. This interface is compat-
ible to many of standard Microcontrollers and Microprocessors.
FM93CS56 offers programmable write protection to the memory
array using a special register called Protect Register. Selected
memory locations can be protected against write by programming
this Protect Register with the address of the first memory location
to be protected (all locations greater than or equal to this first
address are then protected from further change). Additionally, this
address can be “permanently locked” into the device, making all
future attempts to change data impossible. In addition this device
features “sequential read”, by which, entire memory can be read
in one cycle instead of multiple single byte read cycles. There are
10 instructions implemented on the FM93CS56, 5 of which are for
memory operations and the remaining 5 are for Protect Register
operations. This device is fabricated using Fairchild Semiconduc-
tor floating-gate CMOS process for high reliability, high endurance
and low power consumption.
“LZ” and “L” versions of FM93CS56 offer very low standby current
making them suitable for low power applications. This device is offered
in both SO and TSSOP packages for small space considerations.
Features
I
Wide V
CC
2.7V - 5.5V
I
Programmable write protection
I
Sequential register read
I
Typical active current of 200µA
10µA standby current typical
1µA standby current typical (L)
0.1µA standby current typical (LZ)
I
No Erase instruction required before Write instruction
I
Self timed write cycle
I
Device status during programming cycles
I
40 year data retention
I
Endurance: 1,000,000 data changes
I
Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP
Functional Diagram
CS
SK
DI
INSTRUCTION
REGISTER
V
CC
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
PRE
PE
ADDRESS
REGISTER
PROTECT
REGISTER
COMPARATOR
AND
WRITE ENABLE
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
DECODER
EEPROM ARRAY
16
READ/WRITE AMPS
16
V
SS
DATA IN/OUT REGISTER
16 BITS
DO
DATA OUT BUFFER
© 2000 Fairchild Semiconductor International
FM93CS56 Rev. C.1
1
www.fairchildsemi.com
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