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| 型号： | X5648S14-2.7 |
| 厂商： | INTERSIL CORP |
| 元件分类： | 电源管理 |
| 英文描述： | RTC Module With CPU Supervisor |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO14 |
| 封装： | PLASTIC, SOIC-14 |
| 文件页数： | 1/18页 |
| 文件大小： | 300K |
| 代理商： | X5648S14-2.7 |
1
FN8136.0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
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.
X5648, X5649
(Replaces X25648, X25649)
CPU Supervisor with 64Kbit SPI EEPROM
FEATURES
Low V
CC
detection and reset assertion
—Five standard reset threshold voltages
—Re-program low V
CC
reset threshold voltage
using special programming sequence
—Reset signal valid to V
CC
= 1V
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
64Kbits 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-lead SOIC, 8-lead PDIP
DESCRIPTION
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 oscilla-
tor to stabilize before the processor can execute code.
The device’s low V
CC
detection circuitry protects the
user’s system from low voltage conditions by holding
RESET/RESET active when V
CC
falls below a minimum
V
CC
trip point. RESET/RESET remains asserted until
V
CC
returns to proper operating level and stabilizes. Five
industry standard V
TRIP
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.
BLOCK DIAGRAM
Data
Register
Command
Decode &
Control
Logic
SI
SO
SCK
CS
V
CC
Reset
Timebase
Power-on and
Low Voltage
Generation
V
TRIP
+
-
RESET/RESET
Reset
Status
Register
Protect Logic
16Kbits
16Kbits
32Kbits
E
WP
X5648 = RESET
X5649 = RESET
Data Sheet
March 17, 2005
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相关代理商/技术参数 |
参数描述 |
|---|---|
| X5648S14-4.5A | 功能描述:IC SUPERVISOR CPU 64K EE 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:推挽式，图腾柱 复位:低有效 复位超时:最小 145 ms 电压 - 阀值:2.64V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商设备封装:16-TQFN-EP（4x4） 包装:带卷 (TR) |
| X5648S14I | 功能描述:IC SUPERVISOR CPU 64K EE 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:推挽式，图腾柱 复位:低有效 复位超时:最小 145 ms 电压 - 阀值:2.64V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商设备封装:16-TQFN-EP（4x4） 包装:带卷 (TR) |
| X5648S14I-2.7 | 功能描述:IC SUPERVISOR CPU 64K EE 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:推挽式，图腾柱 复位:低有效 复位超时:最小 145 ms 电压 - 阀值:2.64V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商设备封装:16-TQFN-EP（4x4） 包装:带卷 (TR) |
| X5648S14I-2.7A | 功能描述:IC SUPERVISOR CPU 64K EE 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:推挽式，图腾柱 复位:低有效 复位超时:最小 145 ms 电压 - 阀值:2.64V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商设备封装:16-TQFN-EP（4x4） 包装:带卷 (TR) |
| X5648S14I-2.7T1 | 功能描述:IC SUPERVISOR CPU 64K EE 14-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:推挽式，图腾柱 复位:低有效 复位超时:最小 145 ms 电压 - 阀值:2.64V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WQFN 裸露焊盘 供应商设备封装:16-TQFN-EP（4x4） 包装:带卷 (TR) |
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