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參數(shù)資料
| 型號(hào)： | S24023SBT |
| 廠商： | Summit Microelectronics, Inc. |
| 英文描述： | Precision RESET Controller and 4K I2C Memory With Both RESET and RESET Outputs |
| 中文描述： | 精密復(fù)位控制器和4K的I2C既復(fù)位和復(fù)位輸出記憶 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 164K |
| 代理商： | S24023SBT |
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SUMMIT MICROELECTRONICS, Inc. 300 Orchard City Drive, Suite 131 Campbell, CA 95008 Telephone 408-378-6461 Fax 408-378-6586 www.summitmicro.com
1
SUMMIT MICROELECTRONICS, Inc. 2000
2011 2.1 8/2/00
Characteristics subject to change without notice
SUMMIT
MICROELECTRONICS, Inc.
Precision RESET Controller and 4K I
2
C Memory
With Both RESET and
RESET
Outputs
FEATURES
Precision Supply Voltage Monitor
— Dual reset outputs for complex
microcontroller systems
— Integrated memory write lockout
Guaranteed RESET (RESET#) assertion
to V
CC
=1V
Power-Fail Accuracy Guaranteed
No External Components
3 and 5 Volt system versions
Low Power CMOS
— Active current less than 3mA
— Standby current less than 25μA
Memory Internally Organized 512 X 8
— Two Wire Serial Interface (I
2
C)
– Bidirectional data transfer protocol
– Standard 100KHz and Fast 400KHz
S24042/S24043
3 and 5 Volt Systems
High Reliability
— Endurance: 100,000 erase/write cycles
— Data retention: 100 years
8-Pin SOIC Packages
OVERVIEW
The S24042 and S24043 are power supervisory devices
with 4,096 bits of serial E
2
PROM. They are fabricated
using SUMMIT’s advanced CMOS E
2
PROM technology
and are suitable for both 3 and 5 volt systems.
The memory is internally organized as 512 x 8. It features
the I
2
C serial interface and software protocol allowing
operation on a simple two-wire bus.
The S24042 provides a precision V
CC
sense circuit and
two open drain outputs: one (RESET) drives high and the
other (RESET#) drives low whenever V
CC
falls below
V
TRIP
. The S24043 is identical to the S24042 with the
exception being RESET is not bonded out on pin 7.
BLOCK DIAGRAM
+
–
GND
VCC
RESET#
VTRIP
RESET
PULSE
GENERATOR
5kHz
OSCILLATOR
RESET
CONTROL
MODE
DECODE
ADDRESS
DECODER
WRITE
CONTROL
DATA I/O
E2PROM
MEMORY
ARRAY
RESET
1.26V
SCL
6
SDA
5
2
7
22
2011 T-BD 1.0
4
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