參數(shù)資料
型號: LM79CCVF
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 模擬信號調(diào)理
英文描述: Microprocessor System Hardware Monitor
中文描述: SPECIALTY ANALOG CIRCUIT, PQFP44
封裝: 10 X 10 MM, PLASTIC, QFP-44
文件頁數(shù): 8/31頁
文件大?。?/td> 481K
代理商: LM79CCVF
AC Electrical Characteristics
(Note 13) The following specifications apply for +4.25 V
DC
V
CC
+5.75 V
DC
unless otherwise specified.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
=
25C. (Continued)
Symbol
Parameter
Conditions
Typical
(Note 8)
Limits
(Note 9)
Units
(Limits)
ISA READ TIMING
t
SDRD
(setup)
t
SDRD
(hold)
t
RD
(setup)
t
RS
(delay)
Data Valid to IORD Inactive
IORD Inactive to Data Invalid
IORD Active to Rising Edge of SYSCLK
Rising Edge of SYSCLK number 1 to Data
Valid
120
5
20
360
ns (min)
ns (min)
ns (min)
ns (max)
With 8.33 MHz
SYSCLK
DS100036-5
The delay between consecutive IORD and IOWR pulses should be greater than 50 ns to ensure that a Power-on reset does not
occur unintentionally. (See Section 3.2 ‘Resets’ )
FIGURE 2. ISA Bus Read Timing Diagram
L
www.national.com
8
相關(guān)PDF資料
PDF描述
LM79
LM81CIMTX-32 Serial Interface ACPI-Compatible Microprocessor System
LM81 Serial Interface ACPI-Compatible Microprocessor System
LM81CIMT-31 Serial Interface ACPI-Compatible Microprocessor System
LM82CIMQAX Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM79GCP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Negative Adjustable Voltage Regulator
LM79L 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3-Terminal Negative Regulators
LM79L00 制造商:FCI 制造商全稱:First Components International 功能描述:LM79L00 Series 3-Terminal Negative Output voltage Regulators
LM79L05 制造商:KEXIN 制造商全稱:Guangdong Kexin Industrial Co.,Ltd 功能描述:Three-terminal negative voltage regulator
LM79L05A 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 0.1A Negative Voltage Regulator