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參數(shù)資料
| 型號： | LM3709 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Microprocessor Supervisory Circuits with Low Line Output, Manual Reset and Watchdog Timer |
| 中文描述： | 微處理器監(jiān)控電路，帶有低線路輸出，手動復(fù)位和看門狗定時(shí)器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 232K |
| 代理商： | LM3709 |
Connection Diagram
Top View
(looking from the coating side)
micro SMD 9 Bump Package
BPA09
20011701
Pin Descriptions
Bump No.
A1
Name
MR
Function
Manual-Reset input. When MR is less than V
MRT
(Manual Reset Threshold)
RESET/RESET is engaged.
Power Supply input.
Reset Logic Output. Pulses low for t
RP
(Reset Timeout Period) when triggered, and stays
low whenever V
CC
is below the reset threshold or when MR is below V
MRT
. It remains low
for t
RP
after either V
CC
rises above the reset threshold, or after MR input rises above
V
MRT
(LM3708 only).
Reset Logic Output. RESET is the inverse of RESET (LM3709 only).
Low-Line Logic Output. Early Power-Fail warning output. Low when V
CC
falls below V
LLOT
(Low-Line Output Threshold). This output can be used to generate an NMI (Non-Maskable
Interrupt) to provide an early warning of imminent power-failure.
Ground reference for all signals.
Watchdog Input Transition Monitor: If no transition activity occurs for a period exceeding
t
WD
(Watchdog Timeout Period), reset is engaged.
No Connect.
No Connect. Test input used at factory only. Leave floating.
B1
C1
V
CC
RESET
RESET
LLO
C3
B3
A3
GND
WDI
A2, C2
B2
NC
NC
L
www.national.com
2
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| LM3709XQBP-308/NOPB | 功能描述:IC MPU SUPERVISR 3.08V 9USMD RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時(shí):標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱:LM8364BALMF30DKR |
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