FM93CS46VN datasheet, PDF - EEWORLD Datasheet

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FM93CS46VN: DescriptionEEPROM, 64X16, Serial, CMOS, PDIP8, PLASTIC, DIP-8; Categorystorage storage; File Size168KB，16 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/

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FM93CS46VN Overview

EEPROM, 64X16, Serial, CMOS, PDIP8, PLASTIC, DIP-8

FM93CS46VN Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Fairchild
Parts packaging code	DIP
package instruction	DIP, DIP8,.3
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
Maximum clock frequency (fCLK)	1 MHz
Data retention time - minimum	40
Durability	1000000 Write/Erase Cycles
JESD-30 code	R-PDIP-T8
JESD-609 code	e0
length	9.817 mm
memory density	1024 bit
Memory IC Type	EEPROM
memory width	16
Number of functions	1
Number of terminals	8
word count	64 words
character code	64
Operating mode	SYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
organize	64X16
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Encapsulate equivalent code	DIP8,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Certification status	Not Qualified
Maximum seat height	5.08 mm
Serial bus type	MICROWIRE
Maximum standby current	0.00005 A
Maximum slew rate	0.001 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	NO
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	7.62 mm
Maximum write cycle time (tWC)	10 ms
write protect	HARDWARE/SOFTWARE
Base Number Matches	1

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FM93CS46 (MICROWIRE Bus Interface) 1024-Bit Serial EEPROM

with Data Protect and Sequential Read

July 2000

FM93CS46

(MICROWIRE™ Bus Interface) 1024-Bit Serial EEPROM

with Data Protect and Sequential Read

General Description

FM93CS46 is a 1024-bit CMOS non-volatile EEPROM organized

as 64 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.

FM93CS46 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 FM93CS46, 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 FM93CS46 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

Wide V

2.7V - 5.5V

Programmable write protection

Sequential register read

Typical active current of 200µA

10µA standby current typical

1µA standby current typical (L)

0.1µA standby current typical (LZ)

No Erase instruction required before Write instruction

Self timed write cycle

Device status during programming cycles

40 year data retention

Endurance: 1,000,000 data changes

Packages available: 8-pin SO, 8-pin DIP, 8-pin TSSOP

Functional Diagram

INSTRUCTION

DECODER

CONTROL LOGIC

AND CLOCK

GENERATORS

PRE

ADDRESS

PROTECT

COMPARATOR

AND

WRITE ENABLE

HIGH VOLTAGE

GENERATOR

AND

PROGRAM

TIMER

DECODER

EEPROM ARRAY

READ/WRITE AMPS

DATA IN/OUT REGISTER

16 BITS

DATA OUT BUFFER

FM93CS46 Rev. C.1

www.fairchildsemi.com

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