參數(shù)資料
型號(hào): PCF1252-2T/F4
廠商: NXP SEMICONDUCTORS
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 3.90 MM, PLASTIC, SOT-96-1, SO-8
文件頁(yè)數(shù): 20/20頁(yè)
文件大?。?/td> 183K
代理商: PCF1252-2T/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
相關(guān)PDF資料
PDF描述
PCF1252-2TD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
PCF1252-6T/F4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
PCF1252-1PN 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
PCF1252-0PN 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
PCF1252-2PN 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
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