Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

X9520V20IZ-BT1 Datasheet(PDF) 11 Page - Intersil Corporation

Part # X9520V20IZ-BT1
Description  Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
Download  29 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

X9520V20IZ-BT1 Datasheet(HTML) 11 Page - Intersil Corporation

Back Button X9520V20IZ-BT1 Datasheet HTML 7Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 8Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 9Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 10Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 11Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 12Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 13Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 14Page - Intersil Corporation X9520V20IZ-BT1 Datasheet HTML 15Page - Intersil Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 11 / 29 page
background image
11
FN8206.2
August 20, 2007
EEPROM Array Read Operations
Read operations are initiated in the same manner as write
operations with the exception that the R/W bit of the Slave
Address Byte is set to one. There are three basic read
operations: Current EEPROM Address Read, Random
EEPROM Read, and Sequential EEPROM Read.
Current EEPROM Address Read
Internally the device contains an address counter that
maintains the address of the last word read incremented by
one. Therefore, if the last read was to address n, the next
read operation would access data from address n+1. On
power-up, the address of the address counter is undefined,
requiring a read or write operation for initialization.
Upon receipt of the Slave Address Byte with the R/W bit set
to one, the device issues an ACKNOWLEDGE and then
transmits the eight bits of the Data Byte. The master
terminates the read operation when it does not respond with
an ACKNOWLEDGE during the ninth clock and then issues
a STOP condition (See Figure 14 for the address,
ACKNOWLEDGE, and data transfer sequence).
It should be noted that the ninth clock cycle of the read
operation is not a “don’t care.” To terminate a read operation,
the master must either issue a STOP condition during the
ninth cycle or hold SDA HIGH during the ninth clock cycle
and then issue a STOP condition.
Another important point to note regarding the “Current
EEPROM Address Read” , is that this operation is not
available if the last executed operation was an access to a
DCP or the CONSTAT Register (i.e.: an operation using the
Device Type Identifier 1010111 or 1010010). Immediately
after an operation to a DCP or CONSTAT Register is
performed, only a “Random EEPROM Read” is available.
Immediately following a “Random EEPROM Read” , a
“Current EEPROM Address Read” or “Sequential EEPROM
Read” is once again available (assuming that no access to a
DCP or CONSTAT Register occur in the interim).
Random EEPROM Read
Random read operation allows the master to access any
memory location in the array. Prior to issuing the Slave
Address Byte with the R/W bit set to one, the master must
first perform a “dummy” write operation. The master issues
the START condition and the Slave Address Byte, receives
an ACKNOWLEDGE, then issues an Address Byte. This
“dummy” Write operation sets the address pointer to the
address from which to begin the random EEPROM read
operation.
After the X9520 acknowledges the receipt of the Address
Byte, the master immediately issues another START
condition and the Slave Address Byte with the R/W bit set to
one. This is followed by an ACKNOWLEDGE from the
X9520 and then by the eight bit word. The master terminates
ADDRESS = 1110
5 bytes
7 BYTES
ADDRESS = 610
ADDRESS POINTER
ENDS HERE
ADDRESS = 710
FIGURE 13. EXAMPLE: WRITING 12 BYTES TO A 16-BYTE PAGE STARTING AT LOCATION 11.
5 BYTES
ADDRESS = 1510
S
T
A
R
T
S
T
O
P
SLAVE
ADDRESS
DATA
A
C
K
SDA BUS
SIGNALS FROM
THE SLAVE
SIGNALS FROM
THE MASTER
1
FIGURE 14. CURRENT EEPROM ADDRESS READ SEQUENCE
1 0
0
0
0
0
1
X9520


Similar Part No. - X9520V20IZ-BT1

ManufacturerPart #DatasheetDescription
logo
Intersil Corporation
X9520V20IZ-BT1 INTERSIL-X9520V20IZ-BT1 Datasheet
576Kb / 30P
   Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
logo
Renesas Technology Corp
X9520V20IZ-BT1 RENESAS-X9520V20IZ-BT1 Datasheet
1Mb / 29P
   Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
More results

Similar Description - X9520V20IZ-BT1

ManufacturerPart #DatasheetDescription
logo
Intersil Corporation
X9520 INTERSIL-X9520_06 Datasheet
576Kb / 30P
   Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
X9520 INTERSIL-X9520 Datasheet
561Kb / 33P
   Triple DCP, POR,2kbit EEPROM Memory, Dual Voltage Monitors
X40231 INTERSIL-X40231 Datasheet
541Kb / 36P
   Triple Voltage Monitors, POR, 2 kbit EEPROM MEMORY, and Single/Dual DCP
logo
Renesas Technology Corp
X9520 RENESAS-X9520 Datasheet
1Mb / 29P
   Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules Triple DCP, POR, 2kbit EEPROM Memory, Dual Voltage Monitors
X40231 RENESAS-X40231 Datasheet
1Mb / 36P
   Integrated System Management IC Triple Voltage Monitors, POR, 2 kbit EEPROM Memory, and Single/Dual DCP
April 11, 2005
logo
Intersil Corporation
X9522 INTERSIL-X9522_06 Datasheet
375Kb / 27P
   Triple DCP, Dual Voltage Monitors
X9525 INTERSIL-X9525_06 Datasheet
366Kb / 24P
   Dual DCP, EEPROM Memory
logo
Xicor Inc.
X9521 XICOR-X9521 Datasheet
434Kb / 26P
   Dual DCP, EEPROM Memory
logo
Intersil Corporation
X9521 INTERSIL-X9521_06 Datasheet
360Kb / 24P
   Dual DCP, EEPROM Memory
logo
Renesas Technology Corp
X9523 RENESAS-X9523 Datasheet
1Mb / 29P
   Laser Diode Control for Fiber Optic Modules Dual DCP, POR, Dual Voltage Monitors
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 23 24 25 26 27 28 29


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
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