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NM93C86A Datasheet(PDF) 1 Page - Fairchild Semiconductor

No. de Pieza. NM93C86A
Descripción  16K-Bit Serial CMOS EEPROM (MICROWIRE™ Synchronous Bus)
Descarga  13 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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NM93C86A Datasheet(HTML) 1 Page - Fairchild Semiconductor

 
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NM93C86A Rev. F.1
February 2000
© 2000 Fairchild Semiconductor International
NM93C86A
16K-Bit Serial CMOS EEPROM
(MICROWIRE™ Synchronous Bus)
General Description
NM93C86A is a 16,384-bit CMOS non-volatile EEPROM orga-
nized as 1024 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 compatible to many of standard Microcontrollers and Micropro-
cessors. This device offers a pin (ORG), using which, the user can
select the format of the data (16-bit or 8-bit). If ORG is tied to GND,
then 8-bit format is selected, while if ORG is tied to VCC, then 16-
bit format is selected. There are 7 instructions implemented on the
NM93C86A for various Read, Write, Erase, and Write Enable/
Disable operations. This device is fabricated using Fairchild
Semiconductor floating-gate CMOS process for high reliability,
high endurance and low power consumption.
“LZ” and “L” versions of NM93C86A 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 consid-
erations.
Functional Diagram
Features
I Wide V
CC 2.7V - 5.5V
I User selectable organization
x16 (ORG = 1)
x8 (ORG = 0)
I Typical active current of 200µA
10
µA standby current typical
1
µA standby current typical (L)
0.1
µA 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
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
INSTRUCTION
REGISTER
ADDRESS
REGISTER
EEPROM ARRAY
READ/WRITE AMPS
DATA IN/OUT REGISTER
16/8 BITS
DECODER
16
16
DATA OUT BUFFER
CS
SK
DI
ORG
DO
VSS
VCC


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