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X5083S8I-2.7A fiches techniques PDF

Xicor - CPU Supervisor with 8Kbit SPI EEPROM

Numéro de référence X5083S8I-2.7A
Description CPU Supervisor with 8Kbit SPI EEPROM
Fabricant Xicor 
Logo Xicor 





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X5083S8I-2.7A fiche technique
X5083
CPU Supervisor with 8Kbit SPI EEPROM
FEATURES
• Low VCC detection and reset assertion
—Four standard reset threshold voltages
4.63V, 4.38V, 2.93V, 2.63V
—Re-program low VCC reset threshold voltage
using special programming sequence.
—Reset signal valid to VCC = 1V
• Selectable time out watchdog timer
• Long battery life with low power consumption
—<50µA max standby current, watchdog on
—<1µA max standby current, watchdog off
—<400µA max active current during read
• 8Kbits of EEPROM
• Save critical data with Block Lockmemory
—Block lock first or last page, any 1/4 or lower 1/2
of EEPROM array
• Built-in inadvertent write protection
—Write enable latch
—Write protect pin
• SPI Interface - 3.3MHz clock rate
• Minimize programming time
—16 byte page write mode
—5ms write cycle time (typical)
• SPI modes (0,0 & 1,1)
• Available packages
—8-lead TSSOP, 8-lead SOIC, 8-Lead PDIP
APPLICATIONS
• Communications Equipment
—Routers, Hubs, Switches
—Set Top Boxes
• Industrial Systems
—Process Control
—Intelligent Instrumentation
• Computer Systems
—Desktop Computers
—Network Servers
• Battery Powered Equipment
Typical Application
2.7-5.0V
VCC
X5083
RESET
CS
SCK
SI
SO
WP
VSS
VCC
uC
10K
RESET
SPI
VSS
BLOCK DIAGRAM
VCC
CS/WDI
SI
SO
SCK
WP
VTRIP
+
-
POR and Low
Voltage Reset
Generation
Reset & Watchdog
Timebase
Watchdog
Transition
Detector
Watchdog
Timer
Reset
Command
Decode &
Control
Logic
Protect Logic
Status
Register
EEPROM
Array
8Kbits
RESET (X5083)
X5083
Standard VTRIP Level
4.63V (+/-2.5%)
Suffix
-4.5A
4.38V (+/-2.5%)
-4.5
2.93V (+/-2.5%)
-2.7A
2.63V (+/-2.5%)
-2.7
See “Ordering Information” on page 21 for
more details
For Custom Settings, call Xicor.
REV 1.1.6 6/25/02
www.xicor.com
Characteristics subject to change without notice. 1 of 21

PagesPages 21
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