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MAX691AEJE

更新时间： 2024-11-08 22:05:23
品牌 Logo 应用领域
美信 - MAXIM 微处理器监控
页数 文件大小 规格书
16页 158K
描述
Microprocessor Supervisory Circuits

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MAX691AEJE 数据手册

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19-0094; Rev 7a; 12/96  
Mic ro p ro c e s s o r S u p e rvis o ry Circ u it s  
1693L/AX80M  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ 200ms Power-OK/Reset Timeout Period  
The MAX691A/MAX693A/MAX800L/MAX800M micro-  
processor (µP) supervisory circuits are pin-compatible  
upgrades to the MAX691, MAX693, and MAX695. They  
improve performance with 30µA supply current, 200ms  
typ re s e t a c tive d e la y on p owe r-up , a nd 6ns c hip -  
enable propagation delay. Features include write pro-  
tection of CMOS RAM or EEPROM, separate watchdog  
outputs, backup-battery switchover, and a RESET out-  
put that is valid with VCC down to 1V. The MAX691A/  
MAX800L have a 4.65V typical reset-threshold voltage,  
and the MAX693A/MAX800M’s reset threshold is 4.4V  
typical. The MAX800L/MAX800M guarantee power-fail  
accuracies to ±2%.  
♦ 1µA Standby Current, 30µA Operating Current  
♦ On-Board Gating of Chip-Enable Signals,  
10ns Max Delay  
♦ MaxCap™ or SuperCap™ Compatible  
♦ Guaranteed RESET Assertion to VCC = +1V  
♦ Voltage Monitor for Power-Fail or Low-Battery  
Warning  
♦ Power-Fail Accuracy Guaranteed to ±2%  
(MAX800L/M)  
♦ Available in 16-Pin Narrow SO and Plastic  
DIP Packages  
________________________Ap p lic a t io n s  
______________Ord e rin g In fo rm a t io n  
Computers  
Controllers  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
16 Plastic DIP  
16 Narrow SO  
16 Wide SO  
Dice*  
MAX691ACPE  
MAX691ACSE  
MAX691ACWE  
MAX691AC/D  
MAX691AEPE  
MAX691AESE  
MAX691AEWE  
MAX691AEJE  
MAX691AMJE  
Intelligent Instruments  
Automotive Systems  
Critical µP Power Monitoring  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
16 Plastic DIP  
16 Narrow SO  
16 Wide SO  
16 CERDIP  
__________Typ ic a l Op e ra t in g Circ u it  
5V  
REGULATOR  
+8V  
16 CERDIP  
0.1µF  
Ordering Information continued on last page.  
* Dice are specified at T = +25 °C, DC parameters only.  
A
3
5
1N4148  
0.47F*  
V
BATT ON  
CC  
2
__________________P in Co n fig u ra t io n  
V
OUT  
1
VBATT  
12  
CE OUT  
TOP VIEW  
CMOS RAM  
MAX691A  
MAX693A  
MAX800L  
VBATT  
RESET  
RESET  
WDO  
CE IN  
CE OUT  
WDI  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
13  
11  
9
4
7
ADDRESS  
DECODE  
CE IN  
PFI  
V
OUT  
MAX800M  
V
CC  
GND  
A0-A15  
I/O  
GND  
MAX691A  
MAX693A  
MAX800L  
MAX800M  
WDI  
PFO  
µP  
OSC IN  
BATT ON  
LOW LINE  
OSC IN  
NO  
10  
15  
NMI  
CONNECTION  
8
OSC SEL  
PFO  
RESET  
RESET  
LOW LINE WDO  
OSC SEL  
PFI  
6
14  
AUDIBLE  
ALARM  
DIP/SO  
*MaxCap  
SYSTEM STATUS INDICATORS  
SuperCap is a registered trademark of Baknor Industries. MaxCap is a registered trademark of The Carborundum Corp.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  
1234567...16

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MAX691AEJE 替代型号

型号 品牌 替代类型 描述 数据表
MAX691AMJE MAXIM

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