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S24022 Datasheet

  • S24022

  • Precision RESET Controller and 2K I2C Memory With Both RESET...

  • 82.87KB

  • 14頁

  • SUMMIT

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SUMMIT
MICROELECTRONICS, Inc.
S24022/S24023
3 and 5 Volt Systems
Precision RESET Controller and 2K I
2
C Memory
With Both RESET and
RESET
Outputs
FEATURES
鈥?Precision Supply Voltage Monitor
鈥?Dual reset outputs for complex
microcontroller systems
鈥?Integrated memory write lockout
鈥?Guaranteed RESET (RESET assertion
RESET)
RESET
to V
CC
=1V
鈥?Power-Fail Accuracy Guaranteed
鈥?No External Components
鈥?3 and 5 Volt system versions
鈥?Low Power CMOS
鈥?Active current less than 3mA
鈥?Standby current less than 25
A
鈥?Memory Internally Organized 256 X 8
鈥?Two Wire Serial Interface (I
2
C鈩?
鈥?Bidirectional data transfer protocol
鈥?Standard 100KHz and Fast 400KHz
鈥?/div>
鈥?/div>
High Reliability
鈥?Endurance: 1,000,000 erase/write cycles
鈥?Data retention: 100 years
8-Pin PDIP or SOIC Packages
OVERVIEW
The S24022 and S24023 are power supervisory devices
with 2,048 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 256 x 8. It features
the I
2
C serial interface and software protocol allowing
operation on a simple two-wire bus.
The S24022 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 S24023 is identical to the S24022 with the
exception being RESET is not bonded out on pin 7.
BLOCK DIAGRAM
VCC
VCC
8
2
5KHz
Oscillator
RESET
PULSE
GENERATOR
RESET
VCC
+
-
GND
4
1.26V
VTRIP
RESET
CONTROL
7
RESET
SCL 6
SDA 5
NC 1
NC 3
MODE
DECODE
ADDRESS
DECODER
WRITE
CONTROL
DATA I/O
E
2
PROM
MEMORY
ARRAY
2010 ILL2 1.3
SUMMIT MICROELECTRONICS, Inc.
鈥?/div>
300 Orchard City Drive, Suite 131
鈥?/div>
Campbell, CA 95008
鈥?/div>
Telephone 408-378-6461
鈥?/div>
Fax 408-378-6586
鈥?/div>
www.summitmicro.com
漏 SUMMIT MICROELECTRONICS, Inc. 1998
2010 1.4 5/3/98
Characteristics subject to change without notice
1

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    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    SUMMIT
  • 英文版
    Precision RESET Controller and 4K I2C Memory With Both RESET...
    Summit Microele...

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