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参数资料
| 型号： | PCF1252-5P |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8 |
| 封装： | 0.300 INCH, PLASTIC, SOT-97-1, DIP-8 |
| 文件页数： | 16/16页 |
| 文件大小： | 107K |
| 代理商： | PCF1252-5P |
1998 Apr 16
9
Philips Semiconductors
Product specication
Threshold detector and reset generator
PCF1252-X family
Fig.10 Data retention circuit for memory back-up systems.
handbook, full pagewidth
MICROCONTROLLER/
MICROPROCESSOR
VDD
RESET
INT
MGC924
RESET
COMIN
VOLTAGE
REGULATOR
COMOUT
PCF1252-X
SELECT
VSS
VDD
VSS
CT
RAM
VRAM
addres/data bus
12 V
5 V
1 M
6 M
1 nF
10
F
CHIP-
DECODING
LOGIC
R/W
CS
Fig.11 Data retention circuit with external switchable reset for systems with a single voltage supply.
(1) For external reset application, the SELECT input must be debounced.
handbook, full pagewidth
MICROCONTROLLER/
MICROPROCESSOR
VDD
RESET
RAM
INT
MGC925
RESET
COMIN
PCF1252-X
SELECT
external reset
input signal (1)
VSS
VDD
VSS
CT
10
F
POWF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF1252-5PN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| PCF1252-5TD | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| PCF1252-6 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Threshold detector and reset generator |
| PCF1252-6P | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| PCF1252-6PN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
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