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參數(shù)資料
| 型號： | PCF1252-X |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Threshold detector and reset generator |
| 中文描述： | 閾值檢測器和復位發(fā)生器 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 107K |
| 代理商： | PCF1252-X |
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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相關代理商/技術參數(shù) |
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|---|---|
| PCF1252XFAMILY | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Detector |
| PCF1252-XFAMILY | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Detector |
| PCF1252-XP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Threshold detector and reset generator |
| PCF1252-XT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Threshold detector and reset generator |
| PCF1254 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Transmitter/Encoder |
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