參數(shù)資料
型號： X5168S8I-4.5A-T1
廠商： INTERSIL CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： PLASTIC, SOIC-8
文件頁數(shù)： 1/19頁
文件大?。?/td> 357K
代理商： X5168S8I-4.5A-T1
1
FN8130.1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X5168, X5169
(Replaces X25268, X25169)
CPU Supervisor with 16Kbit SPI EEPROM
These devices combine three popular functions, Power-on
Reset Control, Supply Voltage Supervision, and Block Lock
Protect Serial EEPROM Memory in one package. This
combination lowers system cost, reduces board space
requirements, and increases reliability.
Applying power to the device activates the power-on reset
circuit which holds RESET/RESET active for a period of
time. This allows the power supply and oscillator to stabilize
before the processor can execute code.
The device’s low VCC detection circuitry protects the user’s
system from low voltage conditions by holding
RESET/RESET active when VCC falls below a minimum VCC
trip point. RESET/RESET remains asserted until VCC returns
to proper operating level and stabilizes. Five industry
standard VTRIP thresholds are available, however, Intersil’s
unique circuits allow the threshold to be reprogrammed to
meet custom requirements or to fine-tune the threshold in
applications requiring higher precision.
Features
Low VCC Detection and Reset Assertion
- Five standard reset threshold voltages
- Re-program low VCC reset threshold voltage using
special programming sequence
- Reset signal valid to VCC = 1V
Long Battery Life with Low Power Consumption
- <50A max standby current, watchdog on
- <1A max standby current, watchdog off
- <400A max active current during read
16Kbits of EEPROM
Built-in Inadvertent Write Protection
- Power-up/power-down protection circuitry
- Protect 0, 1/4, 1/2 or all of EEPROM array with Block
Lock protection
- In circuit programmable ROM mode
2MHz SPI Interface Modes (0,0 & 1,1)
Minimize EEPROM Programming Time
- 32-byte page write mode
- Self-timed write cycle
- 5ms write cycle time (typical)
2.7V to 5.5V and 4.5V to 5.5V Power Supply
Operation
Available Packages
- 14 Ld TSSOP, 8 Ld SOIC, 8 Ld PDIP
Pb-Free Plus Anneal Available (RoHS Compliant)
Block Diagram
Data
Register
Command
Decode &
Control
Logic
SI
SO
SCK
CS
VCC
Reset
Timebase
Power-on and
Generation
VTRIP
+
-
RESET/RESET
Reset
Low Voltage
Status
Register
Protect Logic
4Kbits
8Kbits
EEPROM
A
rray
WP
X5168 = RESET
X5169 = RESET
Data Sheet
September 16, 2005
相關(guān)PDF資料
PDF描述
X5168V14-2.7-T 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
X5169V14I-2.7-T 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
X5323S8-T1 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
X5323S8I-4.5A-T1 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
X5323V14Z-2.7-T1 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO14
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