Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

93LC76 Folha de dados(PDF) 6 Page - Microchip Technology

Nome de Peças 93LC76
Descrição Electrónicos  8K/16K 2.5V Microwire Serial EEPROM
Download  22 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  MICROCHIP [Microchip Technology]
Página de início  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

93LC76 Folha de dados(HTML) 6 Page - Microchip Technology

Back Button 93LC76_04 Datasheet HTML 2Page - Microchip Technology 93LC76_04 Datasheet HTML 3Page - Microchip Technology 93LC76_04 Datasheet HTML 4Page - Microchip Technology 93LC76_04 Datasheet HTML 5Page - Microchip Technology 93LC76_04 Datasheet HTML 6Page - Microchip Technology 93LC76_04 Datasheet HTML 7Page - Microchip Technology 93LC76_04 Datasheet HTML 8Page - Microchip Technology 93LC76_04 Datasheet HTML 9Page - Microchip Technology 93LC76_04 Datasheet HTML 10Page - Microchip Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 22 page
background image
93LC76/86
DS21131E-page 6
Preliminary
 2004 Microchip Technology Inc.
2.0
PRINCIPLES OF OPERATION
When the ORG pin is connected to VCC, the x16 orga-
nization is selected. When it is connected to ground,
the x8 organization is selected. Instructions, addresses
and write data are clocked into the DI pin on the rising
edge of the clock (CLK). The DO pin is normally held in
a high-Z state except when reading data from the
device, or when checking the Ready/Busy status
during a programming operation. The Ready/Busy
status can be verified during an erase/write operation
by polling the DO pin; DO low indicates that program-
ming is still in progress, while DO high indicates the
device is ready. The DO will enter the high-impedance
state on the falling edge of the CS.
2.1
Start Condition
The Start bit is detected by the device if CS and DI are
both high with respect to the positive edge of CLK for
the first time.
Before a Start condition is detected, CS, CLK and DI
may change in any combination (except to that of a
Start condition), without resulting in any device opera-
tion (Read, Write, Erase, EWEN, EWDS, ERAL and
WRAL). As soon as CS is high, the device is no longer
in the Standby mode.
An instruction following a Start condition will only be
executed if the required amount of opcode, address
and data bits for any particular instruction are clocked
in.
After execution of an instruction (i.e., clock in or out of
the last required address or data bit) CLK and DI
become “don't care” bits until a new Start condition is
detected.
2.2
DI/DO
It is possible to connect the Data In and Data Out pins
together. However, with this configuration it is possible
for a “bus conflict” to occur during the “dummy zero”
that precedes the read operation, if A0 is a logic high
level. Under such a condition the voltage level seen at
Data Out is undefined and will depend upon the relative
impedances of Data Out and the signal source driving
A0. The higher the current sourcing capability of A0,
the higher the voltage at the Data Out pin.
2.3
Erase/Write Enable and Disable
(EWEN, EWDS)
The 93LC76/86 powers up in the Erase/Write Disable
(EWDS) state. All programming modes must be
preceded by an Erase/Write Enable (EWEN) instruction.
Once the EWEN instruction is executed, programming
remains enabled until an EWDS instruction is executed
or VCC is removed from the device. To protect against
accidental data disturb, the EWDS instruction can be
used to disable all erase/write functions and should
follow all programming operations. Execution of a READ
instruction is independent of both the EWEN and EWDS
instructions.
2.4
Data Protection
During power-up, all programming modes of operation
are inhibited until VCC has reached a level greater than
1.4V. During power-down, the source data protection
circuitry acts to inhibit all programming modes when
VCC has fallen below 1.4V.
The EWEN and EWDS commands give additional
protection against accidentally programming during
normal operation.
After power-up, the device is automatically in the
EWDS mode. Therefore, an EWEN instruction must be
performed before any ERASE or WRITE instruction can
be executed.


Nº de peça semelhante - 93LC76_04

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
Microchip Technology
93LC76-IP MICROCHIP-93LC76-IP Datasheet
86Kb / 12P
   8K/16K 2.5V Microwire Serial EEPROM
1996
93LC76-ISN MICROCHIP-93LC76-ISN Datasheet
86Kb / 12P
   8K/16K 2.5V Microwire Serial EEPROM
1996
93LC76-P MICROCHIP-93LC76-P Datasheet
86Kb / 12P
   8K/16K 2.5V Microwire Serial EEPROM
1996
93LC76-SN MICROCHIP-93LC76-SN Datasheet
86Kb / 12P
   8K/16K 2.5V Microwire Serial EEPROM
1996
93LC76A MICROCHIP-93LC76A Datasheet
394Kb / 26P
   8K Microwire Compatible Serial EEPROM
2004
More results

Descrição semelhante - 93LC76_04

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
Microchip Technology
93LC86-I MICROCHIP-93LC86-I Datasheet
224Kb / 22P
   8K/16K 2.5V Microwire Serial EEPROM
01/05/10
950211BFLF MICROCHIP-950211BFLF Datasheet
224Kb / 22P
   8K/16K 2.5V Microwire Serial EEPROM
01/05/10
93LC76 MICROCHIP-93LC76 Datasheet
86Kb / 12P
   8K/16K 2.5V Microwire Serial EEPROM
1996
93LC86P MICROCHIP-93LC86P Datasheet
224Kb / 22P
   8K/16K 2.5V Microwire Serial EEPROM
01/05/10
93LC86 MICROCHIP-93LC86 Datasheet
240Kb / 22P
   8K/16K 2.5V Microwire Serial EEPROM
05/28/04
93LC76 MICROCHIP-93LC76_10 Datasheet
224Kb / 22P
   8K/16K 2.5V Microwire Serial EEPROM
2010
93C76 MICROCHIP-93C76_04 Datasheet
268Kb / 20P
   8K/16K 5.0V Microwire Serial EEPROM
2004
93C76 MICROCHIP-93C76 Datasheet
84Kb / 12P
   8K/16K 5.0V Microwire Serial EEPROM
1996
93AA76 MICROCHIP-93AA76_04 Datasheet
306Kb / 22P
   8K/16K 1.8V Microwire Serial EEPROM
2004
93AA76 MICROCHIP-93AA76 Datasheet
86Kb / 12P
   8K/16K 1.8V Microwire Serial EEPROM
1996
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22


Folha de dados Download

Go To PDF Page


Ligação URL




Privacy Policy
ALLDATASHEETPT.COM
ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com