参数资料
型号: PCF1252-8T/F4
厂商: NXP SEMICONDUCTORS
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: 3.90 MM, PLASTIC, SOT-96-1, SO-8
文件页数: 20/20页
文件大小: 183K
代理商: PCF1252-8T/F4
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
相关PDF资料
PDF描述
PCF1252-1P/F4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
PCF1252-7TD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
PCF1252-8TD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
PCF1252-2P/F4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
PCF1252-4T/F4,112 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
相关代理商/技术参数
参数描述
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PCF1252-X 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Threshold detector and reset generator