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參數資料
| 型號： | S93WD462 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory |
| 中文描述： | 精密電源電壓監控和復位控制器，看門狗定時器和1K位微型導線記憶 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 81K |
| 代理商： | S93WD462 |
SUMMIT MICROELECTRONICS, Inc. 2001 300 Orchard City Drive, Suite 131 Campbell, CA 95008 Telephone 408-378-6461 Fax 408-378-6586 www.summitmicro.com
1
S93WD462/S93WD463
Characteristics subject to change without notice
Precision Supply-Voltage Monitor and Reset Controller
With a Watchdog Timer and 1k-bit Microwire Memory
SUMMIT
MICROELECTRONICS, Inc.
2029 2.2 1/23/01
FEATURES
Precision Monitor & RESET Controller
— RESET and RESET Outputs
— Guaranteed RESET Assertion to V
CC
= 1V
— 150ms Reset Pulse Width
— Internal 1.26V Reference with ±1% Accuracy
— ZERO External Components Required
Watchdog Timer
— Nominal 1.6 Second Time-out Period
— Reset by Any Transition of CS
Memory
— 1K-bit Microwire Memory
— S93WD462
– Internally Ties ORG Low
– 100% Compatible With all 8-bit
Implementations
– Sixteen Byte Page Write Capability
— S93WD463
– Internally Ties ORG High
– 100% Compatible With all 16-bit
Implementations
– Eight Word Page Write Capability
OVERVIEW
The S93WD462 and S93WD463 are precision power
supervisory circuits providing both active high and
active low reset output. Both devices also incorporate a
watchdog timer with a nominal time-out value of 1.6
seconds.
Both devices have 1k-bits of E
2
PROM memory that is
accessible via the industry standard microwire bus. The
S93WD462 is configured with an internal ORG pin tied
low providing a 8-bit byte organization and the
S93WD463 is configured with an internal ORG pin tied
high providing a 16-bit word organization. Both the
S93WD462 and S93WD463 have page write capabil-
ity. The devices are designed for a minimum 100,000
program/erase cycles and have data retention in ex-
cess of 100 years.
BLOCK DIAGRAM
+
–
GND
VCC
8
5
RESET#
6
VTRIP
RESET
PULSE
GENERATOR
5kHz
OSCILLATOR
RESET
CONTROL
MODE
DECODE
ADDRESS
DECODER
WRITE
CONTROL
DATA I/O
E2PROM
MEMORY
ARRAY
RESET
7
1.26V
SK
2
DI
3
WATCHDOG
TIMER
CS
1
2029 T BD 2.0
DO
4
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相關代理商/技術參數 |
參數描述 |
|---|---|
| S93WD462_98 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory |
| S93WD462P-2.7 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory |
| S93WD462P-2.7T | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory |
| S93WD462PA | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory |
| S93WD462PAT | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Precision Supply-Voltage Monitor and Reset Controller With a Watchdog Timer and 1k-bit Microwire Memory |
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